Diploma in Electrical Installations. (Buildings and Structures) Unit 204 Workbook PRE-ATTENDANCE REVISION V1

Transcription

1 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Workbook PRE-ATTENDANCE REVISION V1

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3 Welcome This booklet is designed to outline the areas that you will study when you complete unit 204 at the centre. Throughout your time in centre you will have a qualified assessor there to help and advise you. We want you to achieve the best possible benefits from your time in centre, therefore before attending we would like you to revise by carrying out the work detailed in this booklet. Studying this workbook will ensure that you are properly prepared before attending centre and therefore help you achieve the best possible results from your time in centre. Please remember that you should not carry out any electrical practical work unless you are in class with one of our qualified assessors. We very much look forward to welcoming you at the centre.

4 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet : Installation of wiring systems and enclosures Worksheet 1-001: Safe isolation NB: Students must not attempt this exercise before the correct use of all tools and materials has been demonstrated. Technical data You are to make sure that you do not endanger yourself at any time and particularly during the procedure. Procedure 1. Enter the start time on the assessment sheet. 2. Your tutor will identify a circuit or installation that requires safely isolating. 3. Under the supervision of your tutor, safely isolate the identified circuit or installation using the JIB safe isolation procedure. 4. Enter the finish time on the assessment sheet. 1. Identified the circuit or installation to be isolated 2. Selected the correct means of isolation 3. Selected appropriate test equipment 4. Satisfactorily proved selected test equipment 5. Switched off using correct means of isolation 6. Locked and secured the isolation device 7. Posted warning notices 8. Verified that the circuit or installation is dead between L-N, L-E and N-E 9. Satisfactorily reproved test equipment used in Step Confirmed with tutor that it is now safe to start work YES NO Start Date & Time:..... Target Time: 30 minutes Finish Date & Time: Time Taken:...

5 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet : Installation of wiring systems and enclosures Worksheet 1-005: Identification of tools The following pages contain pictures of tools commonly used in the electrical installation industry. For each picture nominated by the tutor give the correct name and the use(s) of that tool. Specify any safety issues to be considered whilst using that tool.

6 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet 1-005

7 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet 1-005

8 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet 1-005

9 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet 1-005

10 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet 1-005

11 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet 1-005

12 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet 1-005

13 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet 1-005

14 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet 1-005

15 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet 1-005

16 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet 1-005

17 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet 1-005

18 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet 1-005

19 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet 1-005

20 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet 1-005

21 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet : Installation of wiring systems and enclosures Worksheet 1-010: Emergency procedures NB: Students must not attempt this exercise before the correct use of all tools and materials has been demonstrated Technical data You are to make sure that you do not endanger yourself at any time and particularly during the rescue. In order to save a life, you must act quickly (but note the first point). Procedure 1. Enter the start time on the assessment sheet. 2. You discover a colleague unconscious and suspect s/he has been electrocuted. 3. Ensuring your own safety, carry out a rescue of this colleague to ensure that their condition does not worsen. 4. Once safely rescued, carry out checks for vital life signs. 5. Summon assistance. 6. Carry out CPR as necessary. 7. When directed, place the casualty into the recovery position and make comfortable. 8. Enter the finish time on the assessment sheet. 1. Safe isolation of the mock casualty from the supply 2. Quick speed of action within 10 seconds 3. Checked for vital life signs 4. Summoned help 5. Performed CPR correctly on mannequin 6. Quick speed of action within 10 seconds 7. Placed casualty in the recovery position 8. Treated for shock by improvising methods to keep casualty warm 9. Correct safety procedures observed at all times YES NO Start Date & Time:..... Target Time: 10 minutes Finish Date & Time: Time Taken:...

22 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet : Installation of wiring systems and enclosures Worksheet 1-020: Lifting and handling (alone) NB: Students must not attempt this exercise before the correct use of all tools and materials has been demonstrated. Technical data You are to make sure that you use only the approved lifting techniques. Never attempt to lift an object on your own if you suspect you will struggle and certainly nothing heavier than 20kg. Procedure 1. Enter the start time on the assessment sheet. 2. You are required to safely lift and move an object designated by the assessor. 3. When told to do so by the assessor, this object is firstly to be manually lifted from the floor, transported and placed on to a workbench. 4. Stand back so that the assessor can check that the object has been correctly set down. 5. When told to do so by the assessor, this object is then to be manually lifted from the workbench, transported and placed back on to the floor. 6. Stand back so that the assessor can check that the object has been correctly set down. 7. Enter the finish time on the assessment sheet. 1. Assessed the route to be taken to ensure no obstacles or hazards 2. Assessed the set down for obstacles or hazards 3. Took a firm grip with palms and fingers, using both hands 4. Feet positioned correctly (approx. width of hips, one foot slightly in front) 5. Knees bent to commence lift 6. Back straight, chin in 7. Arms tight into body 8. Carried object safely to bench (ie with face of object close to body) 9. Rested the object carefully and safely on the workbench 10. Took a firm grip and lifted correctly 11. Carried object safely and lowered correctly 12. Knees bent, back straight 13. Rested the object carefully and safely on the floor YES NO Start Date & Time:..... Target Time: 10 minutes Finish Date & Time: Time Taken:...

23 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet : Installation of wiring systems and enclosures Worksheet 1-030: Lifting and handling (assisted) NB: Students must not attempt this exercise before the correct use of all tools and materials has been demonstrated. Technical data You are to make sure that you use only the approved lifting techniques. Never attempt to lift an object on your own if you suspect you will struggle and certainly nothing heavier than 20kg. Clear instructions must be given to you helper prior to the lift taking place. Procedure 1. Enter the start time on the assessment sheet. 2. You are required, with assistance, to safely lift and move an object designated by the assessor. 3. When told to do so by the assessor, this object is firstly to be manually lifted from the floor, transported and placed on to a workbench. 4. Stand back so that the assessor can check that the object has been correctly set down. 5. When told to do so by the assessor, this object is then to be manually lifted from the workbench, transported and placed back on to the floor. 6. Stand back so that the assessor can check that the object has been correctly set down. 7. Enter the finish time on the assessment sheet. YES NO 1. Assessed the route to be taken to ensure no obstacles or hazards 2. Assessed the set down for obstacles or hazards 3. Gave the helper clear and concise instructions at the start of the test 4. Took a firm grip with palms and fingers, using both hands 5. Feet positioned correctly (approx. width of hips, one foot slightly in front) 6. Knees bent to commence lift 7. Back straight, chin in 8. Arms tight into body 9. Carried object safely to bench (ie close to bodies of helper and candidate) 10. Rested the object carefully and safely on the workbench 11. Took a firm grip and lifted correctly, giving clear instructions to helper 12. Carried object safely and lowered correctly 13. Knees bent, back straight 14. Rested the object carefully and safely on the floor Start Date & Time:..... Target Time: 10 minutes Finish Date & Time: Time Taken:...

24 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet : Installation of wiring systems and enclosures Worksheet 1-040: Use of ladders NB: Students must not attempt this exercise before the correct use of all tools and materials has been demonstrated. Technical data You are to make sure that you inspect the ladder fully prior to use. Ensure that you or others are not going to be endangered by use of the ladder. You are to make sure that your work area is clear and safe for work to proceed. Hard hats must be worn. You are to make sure that all your work conforms to the requirements of the Health and Safety at Work Act. Procedure 1. Enter the start time on the assessment sheet. 2. You are required to transport an extension ladder for a short distance and erect it in an area designated by the assessor. 3. When told to do so by the assessor, check the ladder for any defects if any defects are found, do not use the ladder but report its condition. 4. Safely transport the ladder to the designated area. 5. Safely erect the ladder (you may ask for physical assistance from another person they must be told exactly what to do). 6. After ensuring that the ladder will not move, ascend and secure the ladder to the landing stage. 7. Descend the ladder. 8. Have the ladder assembly checked before proceeding. 9. Lower the ladder safely. 10. Transport the ladder back to the starting point.

25 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet Visually inspected the ladder 2. Lifted and carried the ladder correctly 3. Erected the ladder correctly 4. Slope of ladder set to correct gradient 5. Top of ladder extended the correct distance above the landing stage 6. Safe position of ladder rung adjacent to the transom 7. Secured ladder correctly before ascending 8. Ascended and descended in a safe manner 9. Secured top of ladder safely 10. Lowered ladder correctly 11. Returned ladder safely to start position 12. Wore hat at all times 13. Ensured the safety of others in the vicinity 14. Work area conformed to requirements of HASAWA 15. Correct safety procedures observed at all times. YES NO Start Date & Time:..... Target Time: 20 minutes Finish Date & Time: Time Taken:...

26 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet : Installation of wiring systems and enclosures Worksheet 1-050: Use of towers NB: Students must not attempt this exercise before the correct use of all tools and materials has been demonstrated. Technical data You are to make sure that you inspect the tower fully prior to use. Ensure that you or others are not going to be endangered by use of the tower. You are to make sure that your work area is clear and safe for work to proceed. Hard hats must be worn. You are to make sure that all your work conforms to the requirements of the Health and Safety at Work Act. Procedure 1. Enter the start time on the assessment sheet. 2. You and a colleague are required to erect a tower in an area designated by the assessor. 3. When told to do so by the assessor, check the tower for any defects if any defects are found, do not use the tower but report its condition. 4. Safely erect the tower in the designated area (one of you will be in charge for the construction of the tower). 5. Descend the tower. 6. Have the tower assembly checked before proceeding. 7. Dismantle the tower ladder safely (the other person will be in charge for the dismantling of the tower). 8. Place the sections in the storage area designated by the assessor. 1. Visually inspected the tower components 2. Selected appropriate components 3. Positioned and prepared the tower correctly 4. All necessary braces, rails and boards correctly fitted 5. Ascended the tower in a safe manner 6. Descended the tower in a safe manner 7. Dismantled tower correctly 8. Wore hat at all time 9. Ensured the safety of others in the vicinity 10. Work area conformed to requirements of HASAWA 11. Correct safety procedures observed at all times YES NO Start Date & Time:..... Target Time: 45 minutes Finish Date & Time: Time Taken:...

27 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet : Installation of wiring systems and enclosures Worksheet 1-060: Termination of cables NB: Students must not attempt this exercise before the correct use of all tools and materials has been demonstrated. Technical data You are to make sure that your work area is clear and safe for work to proceed. You are to make sure that all your work conforms to the requirements of the Health and Safety at Work Act. It is essential that the CSA of each conductor be maintained throughout its length. Conductor ends are usually doubled to ensure that the terminal hole is filled. Material required 1 off Single core PVC insulated cable (7 strand) 4mm 2 x 150mm 1 off Twin and cpc PVC insulated and sheathed cable 2.5mm 2 x 300mm 1 off Twin and cpc PVC insulated and sheathed cable 1.5mm 2 x 300mm 1 off Single core PVC insulated and sheathed cable 1.5mm 2 x 300mm 1 off cpc sleeving 2mm x 300mm Procedure a) Sheathed cables 1. Enter the start time on the assessment sheet. 2. Prepare the material requisition for the required materials. 3. Have the requisition checked before proceeding. 4. Obtain the material from the stores. 5. The procedures 6 to 12 apply to each of the 3 sheathed cables. 6. Ensure that the cable is cut to correct length. 7. Remove 100mm of sheathing from one end of the cable. 8. Fit cpc sleeving where applicable. 9. Remove sufficient insulation from the end of each cable core in order to expose the conductor and retain the length of insulation, as shown on the diagram. 10. Cut the exposed conductors to the required length. 11. Bend the end of each exposed conductor over to the required length in order to double its thickness. 12. Check that all the dimensions are correct. 13. Hand the work to the Lecturer for marking and assessment. b) Stranded cables 14. Ensure that the cable is cut to correct length. 15. Remove 30mm of insulation from one end of the cable to expose the conductors. 16. Twist the exposed conductor strands together and bend them over to required length in order to double its thickness. 17. Check that all dimensions are correct. 18. Hand the work to the Lecturer for marking and assessment. 19. Enter the finish time on the assessment sheet.

28 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet 1-060

29 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet Assessments are based on observed safety procedures, and the quality and accuracy of the completed exercise. YES 1. Material requisition correct first time 2. Method statement completed NO Cable 1 2.5mm 2 twin and cpc PVC insulated and sheathed cable 3. Sheath cut back correctly and to correct length 4. Insulation undamaged and to correct length 5. Conductor cores undamaged 6. cpc correctly sheathed and to correct length 7. Conductor cores bent over and to correct length 8. Overall appearance to a commercially acceptable standard Cable 2 1.5mm 2 twin and cpc PVC insulated and sheathed cable 9. Sheath cut back correctly and to correct length 10. Insulation undamaged and to correct length 11. Conductor cores undamaged 12. cpc correctly sheathed and to correct length 13. Conductor cores bent over and to correct length 14. Overall appearance to a commercially acceptable standard Cable 3 1.5mm 2 single core PVC insulated and sheathed cable 15. Sheath cut back correctly and to correct length 16. Insulation undamaged and to correct length 17. Conductor cores undamaged 18. Conductor cores bent over and to correct length 19. Overall appearance to a commercially acceptable standard.

30 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet Cable 4 4mm 2 single core (stranded) PVC insulated cable 20. Insulation undamaged and to correct length 21. Conductor cores undamaged 22. Strands twisted in the direction of lay 23. Conductor cores bent over and to correct length 24. Overall appearance to a commercially acceptable standard All cables 25. Work area conformed to requirements of HASAWA 26. Correct safety procedures observed at all times Start Date & Time:..... Target Time: 60 minutes Finish Date & Time: Time Taken:...

31 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet : Installation of wiring systems and enclosures Worksheet 1-070: Vice jaw protectors NB: Students must not attempt this exercise before the correct use of all tools and materials has been demonstrated. Technical data You are to make sure that your work area is clear and safe for work to proceed. You are to make sure that all your work conforms to the requirements of the Health and Safety at Work Act. Material required 1 off Aluminium Strip 160 x 110 x 1.5mm Procedure 1. Enter the start time on the assessment sheet. 2. Complete the material requisition. 3. Have the requisition checked before proceeding. 4. Obtain the material from the stores. 5. Apply marking blue to one face of the aluminium strip and allow to dry. 6. Mark and cut the material into two equal widths. 7. Identify both pieces of your work with your initials using letter stamps. 8. Have your work checked before proceeding. 9. Mark and file the end of one piece square to one side. 10. Cut and file the other end square to the side and to the correct length. 11. Mark out the complete shape as shown. 12. Repeat items 9 to 11 above on second piece. 13. Have your work checked before proceeding. 14. Centre punch the position of the 3.3mm holes. 15. Drill holes BY HAND. 16. Saw cut and file both pieces to shape. 17. Have your work checked before proceeding. 18. Position one piece in the 102mm vice and bend to shape with a soft-faced hammer. 19. Repeat Step 18 with the second piece. 20. Hand the work to the Lecturer for marking and assessment. 21. Enter the finish time on the assessment sheet.

32 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet 1-070

33 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet Assessments are based on observed safety procedures, and the quality and accuracy of the completed exercise. YES 1. Material requisition correct first time 2. Method statement completed 3. Both strips of equal length 4. Both strips of equal width 5. Both strips ends square to sides 6. Both strips length marked out correctly 7. Both strips width marked out correctly 8. Both strips cut outs marked out correctly 9. Fold lines on both pieces in correct position 10. Fold lines marking caused no damage to material 11. Holes and cut-outs for both strips correct size 12. Both protectors fit correctly on 102mm vice 13. All burrs and sharp edges removed 14. Work identified correctly on final presentation 15. Work area conformed to requirements of HASAWA 16. Correct safety procedures observed at all times 17. Overall appearance to a commercially acceptable standard NO Start Date & Time:..... Target Time: 240 minutes Finish Date & Time: Time Taken:...

34 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet : Installation of wiring systems and enclosures Worksheet 1-080: Termination of plug top NB: Students must not attempt this exercise before the correct use of all tools and materials has been demonstrated. Technical data You are to make sure that your work area is clear and safe for work to proceed. You are to make sure that all your work conforms to the requirements of the Health and Safety at Work Act. All practical electrical installation exercises must comply with BS7671 (IET Wiring Regulations). All terminations must be mechanically and electrically sound. Material required 1 off 3-core PVC insulated and sheathed flexible cable 0.75mm 2 x 150mm 1 off Fused plug, 13A, 3 pin Procedure 1. Enter the start time on the assessment sheet. 2. Prepare the material requisition for the required materials. 3. Have the requisition checked before proceeding. 4. Obtain the material from the stores. 5. Unscrew pin and remove plug-top to expose the terminals and the cord grip. 6. Strip the sheathing from the 3-core flexible cable to expose the length of inner cores required to complete the termination. 7. Insert cord into the cable grip and secure. 8. Strip core insulation to expose sufficient conductor for termination. 9. Twist the strands for each core and bend the end of each exposed conductor over in order to double its thickness and secure to the correct terminals. 10. Hand the work to the Lecturer for marking and assessment. 11. Enter the finish time on the assessment sheet. NB: Conductors must fill and be contained within their terminals. Strands of conductors must NOT be visible outside of the terminal.

35 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet 1-080

36 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet Assessments are based on observed safety procedures, and the quality and accuracy of the completed exercise. YES 1. Material requisition correct first time 2. Method statement completed 3. Securely assembled 4. No unsheathed conductors visible 5. Cord grip used and cord secure 6. No stray conductor strands visible 7. Core insulation to within 2mm of the terminals 8. Terminals tight 9. Conductors secure, doubled and undamaged 10. Conductors installed into the correct terminals 11. Overall appearance to a commercially acceptable standard 12. Work area conformed to requirements of HASAWA 13. Correct safety procedures observed at all times NO Start Date & Time:..... Target Time: 45 minutes Finish Date & Time: Time Taken:...

37 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet : Installation of wiring systems and enclosures Worksheet 1-090: Termination of ceiling rose NB: Students must not attempt this exercise before the correct use of all tools and materials has been demonstrated. Technical data You are to make sure that your work area is clear and safe for work to proceed. You are to make sure that all your work conforms to the requirements of the Health and Safety at Work Act. All practical electrical installation exercises must comply with BS7671 (IET Wiring Regulations). All terminations must be mechanically and electrically sound. Material required 1 off Twin heat resistant flexible cord 0.5mm 2 x 300mm 1 off 3-plate ceiling rose 1 off Pendant bayonet cap (BC) lamp holder Procedure 1. Enter the start time on the assessment sheet. 2. Prepare the material requisition for the required materials. 3. Have the requisition checked before proceeding. 4. Obtain the material from the stores. 5. Unscrew the top from the lamp holder body to expose terminals. 6. Strip back an appropriate amount of sheathing from one end of the heat resistant flexible cord. 7. Remove the insulation to expose a length of conductor approximately equal to twice the length of the terminal connection. 8. Twist the strands for each core and bend the end of each exposed conductor over in order to double its thickness. 9. Connect one core into each of the lamp holder terminals. 10. Ensure that the flexible cord is secured by the cord grip and screw on the lamp holder top. 11. Remove sheathing and insulation from the other end of the flexible cord (procedures 6 to 8) so that on completion the exposed sheathing on the flexible cord measures 150mm. NB: The amount of exposed core insulation needs to be longer than for the lamp holder. 12. Remove the cover from the ceiling rose base and thread onto the flexible cord. 13. Connect one core into each of the correct ceiling rose terminals. 14. Ensure that the flexible cord is secured by the cord grip and fix ceiling rose cover to base. 15. Hand the work to the Lecturer for marking and assessment. 16. Enter the finish time on the assessment sheet. NB: Conductors must fill and be contained within their terminals. Strands of conductors must NOT be visible outside of the terminal.

38 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet 1-090

39 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet Assessments are based on observed safety procedures, and the quality and accuracy of the completed exercise. YES 1. Material requisition correct first time 2. Method statement completed 3. Lamp holder and ceiling rose covers tight Lamp holder 4. No unsheathed conductors visible 5. Cord grip used and cord secure 6. No stray conductor strands visible 7. Core insulation to within 2mm of the terminals 8. Terminals tight 9. Conductors secure, doubled and undamaged 10. Overall appearance to a commercially acceptable standard Ceiling rose 11. No unsheathed conductors visible 12. Cord grip used and cord secure 13. No stray conductor strands visible 14. Core insulation to within 2mm of the terminals 15. Terminals tight 16. Conductors secure, doubled and undamaged 17. Conductors installed into the correct terminals 18. Overall appearance to a commercially acceptable standard General 19. Work area conformed to requirements of HASAWA 20. Correct safety procedures observed at all times NO Start Date & Time:..... Target Time: 45 minutes Finish Date & Time: Time Taken:...

40 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet : Installation of wiring systems and enclosures Worksheet 1-100: Metal fixing methods NB: Students must not attempt this exercise before the correct use of all tools and materials has been demonstrated. Technical data You are to make sure that your work area is clear and safe for work to proceed. You are to make sure that all your work conforms to the requirements of the Health and Safety at Work Act. Material required 1 off Metal cable trunking lid 500 x 50mm 4 off Pop rivets 3.2 dia x 10mm 4 off Steel pan head set pins M6 x 12mm 4 off Steel hexagon full nuts M6 Procedure 1. Enter the start time on the assessment sheet. 2. Complete the material requisition. 3. Have the requisition checked before proceeding. 4. Mark, cut and file one end of the material square to one side. 5. From this end mark and cut Section C and two identical pieces A and B to dimensions shown on the diagram. 6. Identify all the three pieces of your work with your initials using letter stamps. 7. Have your work checked before proceeding. 8. Mark the positions of the fixing holes and cut-outs on A and B and position of the 20/25mm holes on Section C. 9. Have your work checked before proceeding. 10. Drill the 4 x 3.2mm holes in Section A and form cut-outs. 11. Drill the 4 x 6.0mm clearance holes (6.3mm) in Section B and form cut-outs. 12. Drill 2 x 20mm and 2 x 25mm holes in the positions shown on the diagram. 13. Have your work checked before proceeding. 14. Using Sections A and B as templates, mark and drill appropriate-sized fixing holes in Section C to fix A and B to C. 15. Fix A and B to C at positions shown. 16. Remove all burrs and sharp edges. 17. Hand the work to the Lecturer for marking and assessment. 18. Enter the finish time on the assessment sheet.

41 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet 1-100

42 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet Assessments are based on observed safety procedures, and the quality and accuracy of the completed exercise. YES 1. Material requisition correct first time 2. Method statement completed 3. Section A length correct 4. Section B length correct 5. Section C length correct 6. All three sections identified correctly 7. Section A fixing holes positions marked correctly 8. Section A cut-outs dimensions marked correctly 9. Section B fixing holes positions marked correctly 10. Section B cut-outs dimensions marked correctly 11. Section C 20mm holes positions marked correctly 12. Section C 25mm holes positions marked correctly 13. Section A 3.2mm holes correct size and position 14. Section A cut-outs removed correctly 15. Section B 6.3mm holes correct size and position 16. Section B cut-outs removed correctly 17. Section C 20mm holes correct size and position 18. Section C 25mm holes correct size and position NO

43 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet Section A and C positions of fixings correct 20. Section A and C fixings secure 21. Section B and C positions of fixings correct 22. Section B and C fixings secure 23. All burrs and sharp edges removed 24. Work identified correctly on final presentation 25. Work area conformed to requirements of HASAWA 26. Correct safety procedures observed at all times 27. Overall appearance to a commercially acceptable standard Start Date & Time:..... Target Time: 420 minutes Finish Date & Time: Time Taken:...

44 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet : Installation of wiring systems and enclosures Worksheet 1-110: Tray bending bars NB: Students must not attempt this exercise before the correct use of all tools and materials has been demonstrated. Technical data You are to make sure that your work area is clear and safe for work to proceed. You are to make sure that all your work conforms to the requirements of the Health and Safety at Work Act. All scribed lines, centre dot and other marks must be removed from the finished surfaces. Material required 2 off Mild steel bar 180 x 20 x 10mm 1 off Steel pan head set pins M6 x 25mm Procedure The procedure below (Steps 5 to 13) applies to both pieces of mild steel bar, which should be completed simultaneously. 1. Enter the start time on the assessment sheet. 2. Prepare the material requisition for the required materials. 3. Have the requisition checked before proceeding. 4. Obtain the material from the stores. 5. Letter stamp your initials on to material for identification. 6. Clean the surface of bar to ensure that it is grease-free in preparation for marking out. 7. Coat two adjacent longitudinal surfaces thinly with marking blue and allow to dry. 8. Mark out, as detailed on the drawing. 9. Have your work checked before proceeding. 10. Centre punch the hole centres and drill pilot holes. 11. Have your work checked before proceeding. 12. Cut the slot in the end of the bar with care to ensure correct width. 13. Open the pilot hole to the correct size (as shown on the diagram). 14. Using the tap set in the correct order, cut an internal thread in ONE of the bars. 15. Using a 6.3mm twist drill, open out the hole in the other bar. 16. Using the M6 pin, join the two bars together. 17. Form the shaped end on the joined bars, as detailed on the drawing, and check that the bars are the correct length. 18. Hand the work to the Lecturer for marking and assessment. 19. Enter the finish time on the assessment sheet.

45 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet 1-110

46 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet Assessments are based on observed safety procedures, and the quality and accuracy of the completed exercise. YES 1. Material requisition correct first time 2 Method statement completed 3. Material correctly identified on first visit 4. Both bars marked out correctly 5. Pilot holes drilled in correct locations 6. Slots cut in correct locations 7. Slots cut to correct dimensions 8. Tapped hole correct size 9. Tapped hole square to the face 10. Clearance hole correct size 11. Clearance hole square to the face 12. Formed ends correctly shaped 13. Overall dimensions correct 14. Work area conformed to requirements of HASAWA 15. Correct safety procedures observed at all times 16. Overall appearance to a commercially acceptable standard NO Start Date & Time:..... Target Time: 210 minutes Finish Date & Time: Time Taken:...

47 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet : Installation of wiring systems and enclosures Worksheet 1-120: Cable tray support bracket NB: Students must not attempt this exercise before the correct use of all tools and materials has been demonstrated. Technical data You are to make sure that your work area is clear and safe for work to proceed. You are to make sure that all your work conforms to the requirements of the Health and Safety at Work Act. All scribed lines, centre dot and other marks must be removed from the finished surfaces. Material required 1 off Mild steel bar 600 x 15 x 3mm Procedure The procedure below (Steps 5 to 13) applies to both pieces of mild steel bar, after cutting in step 6, which should be completed simultaneously 1. Enter the start time on the assessment sheet. 2. Prepare the material requisition for the required materials. 3. Have the requisition checked before proceeding. 4. Obtain the material from the stores. 5. Clean the surface of the bar to ensure that it is grease-free in preparation for marking out. 6. Mark and cut the strip in half. NB The procedures below (Steps 7 to 14) apply to both pieces of material. 7. Letter stamp your initials on to the material for identification. 8. Mark out, as detailed on the drawing. 9. Have your work checked before proceeding. 10. Centre punch the hole centres and drill pilot holes. 11. Have your work checked before proceeding. 12. Bend the material to the dimensions shown in the diagram, taking care to keep them symmetrical. 13. Open the holes up to the sizes shown on the diagram and adjust as necessary the two tray fixing holes by slotting to fit the tray holes. 14. Remove all burrs, sharp edges and vice marks. 15. Hand the work to the Lecturer for marking and assessment. 16. Enter the finish time on the assessment sheet.

48 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet 1-120

49 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet Assessments are based on observed safety procedures, and the quality and accuracy of the completed exercise. YES 1. Material requisition correct first time 2. Method statement completed 3. Material correctly identified on first visit 4. Both bars marked out correctly 5. Pilot holes drilled in correct locations 6. Bends made to correct dimensions 7. Bends formed true with no twist 8. 5mm hole correct size 9. 5mm hole correct square to the face mm hole correct size mm hole correct square to the face 12. All scribed lines, centre dot and other marks removed 13. Overall dimensions correct 14. Work area conformed to requirements of HASAWA 15. Correct safety procedures observed at all times 16. Overall appearance to a commercially acceptable standard NO Start Date & Time:..... Target Time: 90 minutes Finish Date & Time: Time Taken:...

50 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet : Installation of wiring systems and enclosures Worksheet 1-130: Thread gauge NB: Students must not attempt this exercise before the correct use of all tools and materials has been demonstrated. Technical data You are to make sure that your work area is clear and safe for work to proceed. You are to make sure that all your work conforms to the requirements of the Health and Safety at Work Act. Material required 1 off Mild steel strip 145 x 50 x 3mm Procedure 1. Enter the start time on the assessment sheet. 2. Complete the material requisition. 3. Have the requisition checked before proceeding. 4. Obtain the material from the stores. 5. Clean face of metal in preparation for marking out. 6. Apply marking blue to one face and allow to dry. 7. Square off one end using a square and scriber. 8. Cut and file this end square to be used as the datum. 9. Identify the work with your initials using letter stamps. 10. Have your work checked before proceeding. 11. From the datum end, measure and mark out the position of the two angles of 135 and Mark out the six holes and angled slot, as shown on the diagram. 13. Have your work checked before proceeding. 14. Drill the eight holes at the position indicated to the correct size (if in doubt ask do not guess!). 15. Have your work checked before proceeding. 16. Tap the two holes to the correct size in the positions shown. 17. Cut out the angled slot between the 8mm holes. 18. Cut and file the angled section. 19. Ensure all burrs and sharp edges have been removed. 20. Clean work to give a bright finish. 21. Hand the work to the Lecturer for marking and assessment. 22. Enter the finish time on the assessment sheet.

51 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet 1-130

52 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet Assessments are based on observed safety procedures, and the quality and accuracy of the completed exercise. YES 1. Material requisition correct first time 2. Method statement completed 3. Datum end square mm and 110mm measurements marked out correctly angle marked out correctly angle marked out correctly 7. Position of the six holes marked correctly 8. Position and angle of the angled slot marked correctly 9. Six holes correct size 10. 8mm angled slot correct size 11. Tapped holes correct position, size and square to face 12. Angled slot correct angle and parallel to angled edge angled edge formed correctly angled edge formed correctly 15. All burrs and sharp edges removed 16. Work identified correctly on final presentation 17. Work area conformed to requirements of HASAWA 18. Correct safety procedures observed at all times 19. Overall appearance to a commercially acceptable standard NO Start Date & Time:..... Target Time: 6 hours Finish Date & Time: Time Taken:...

53 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet : Installation of wiring systems and enclosures Worksheet 2-010: One-way lighting circuit NB: Students must not attempt this exercise before the correct use of all tools and materials has been demonstrated. Technical data You are to make sure that your work area is clear and safe for work to proceed. You are to make sure that all your work conforms to the requirements of the Health and Safety at Work Act. All practical electrical installation exercises must comply with BS7671 (IET Wiring Regulations). All terminations must be mechanically and electrically sound. Material required 1 off 45 amp 1-way consumer unit 1 off 5A rewireable fuse carrier and base 1 off Surface mounted moulded switch box 1-gang 1 off Plate switch 1-gang, 1-way, single pole, 5A 2 off 3.5 x 20mm raised countersunk set pins 1 off Batten lampholder with integral back plate, 5A, 3-plate 2.1 m 1.5mm 2 twin and cpc PVC insulated and sheathed cable 300mm 50mm 2mm green/yellow cpc sleeving 2mm brown sleeving Clips, screws and pins, as detailed in the exercise demonstration Procedure 1. Enter the start time on the assessment sheet. 2. Study the diagram and from it draw a wiring diagram. 3. This diagram must be handed in for assessment before proceeding. 4. Prepare the material requisition for the required materials. 5. Have the requisition checked before proceeding. 6. Obtain the material from the stores. 7. Carry out the installation. 8. Carry out the necessary tests on the installation and record all readings obtained on the assessment sheet. 9. Notify the Lecturer that the work is ready for assessment. 10. Enter the finish time on the assessment sheet. NB: Care must be taken to colour code all live conductors, ie on the switch drops of one-way lighting circuits both the line feed to the switch and the switch wire should be brown (twin brown cable + cpc is available).

54 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet 2-010

55 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet Test results cpc Continuity Test Instrument Used: Instrument Serial No.: Range Setting: CCU-Lampholder Reading: CCU-Switch Reading: Insulation Resistance Test Instrument Used: Instrument Serial No.: Range Setting: Line-Neutral Reading: Line/Neutral-Earth Reading: Polarity Test Instrument Used: Protective Device Polarity: Switch Polarity:

56 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet Assessments are based on observed safety procedures, and the quality and accuracy of the completed exercise. YES 1. Wiring diagram function correct 2. Wiring diagram drawn neatly 3. Wiring diagram drawn using correct symbols 4. Wiring diagram labelled correctly 5. Material requisition correct first time 6. Method statement completed 7. Inspection and testing completed correctly 8. Test results correctly recorded 9. Accessories fixed in correct positions 10. Accessory covers all fixed securely 11. Cable sheath taken into all accessories 12. Clip position/spacings acceptable 13. Bends formed correctly (minimum radii and uniform) 14. Circuit functions correctly 15. Consumer unit correct size protective device 16. Consumer unit correctly connected 17. cpc sheathed correctly 18. Conductors correctly coded at terminations 19. Suitable amount of spare cable left in accessories 20. Conductor insulation undamaged at terminations 21. Conductors doubled as appropriate and secure 22. Sheath/insulation stripped to correct position 23. Conductors undamaged at terminations 24. Overall appearance to a commercially acceptable standard 25. Work area conformed to requirements of HASAWA 26. Correct safety procedures observed at all times Start Date & Time:..... Target Time: 4 hours NO Finish Date & Time: Time Taken:...

57 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet : Installation of wiring systems and enclosures Worksheet 2-020: One-way to two-way lighting circuit conversion NB: Students must not attempt this exercise before the correct use of all tools and materials has been demonstrated. Technical data You are to make sure that your work area is clear and safe for work to proceed. You are to make sure that all your work conforms to the requirements of the Health and Safety at Work Act. All practical electrical installation exercises must comply with BS7671 (IET Wiring Regulations). All terminations must be mechanically and electrically sound. Material required 1 off Materials from Worksheet off Surface mounted moulded switch box 1-gang 2 off Plate switch 1-gang, 2-way, single pole, 5A 2 off 3.5 x 20mm raised countersunk set pins 0.5 m 1.5mm 2 three core and cpc PVC insulated and sheathed cable 300mm 50mm 2mm green/yellow cpc sleeving 2mm brown sleeving Clips, screws and pins, as detailed in the exercise demonstration. Procedure 1. Enter the start time on the assessment sheet. 2. Study the diagram and from it draw a wiring diagram. 3. This diagram must be handed in for assessment before proceeding. 4. Prepare the material requisition for the required materials. 5. Have the requisition checked before proceeding. 6. Obtain the material from the stores. 7. Carry out the installation. 8. Carry out the necessary tests on the installation and record all readings obtained on the assessment sheet. 9. Notify the Lecturer that the work is ready for assessment. 10. Enter the finish time on the assessment sheet. NB: On the two-way conversion circuit it is usual practice to use the black core for the common with the brown and grey cores connected to L1 and L2, respectively. The black and grey cores should have brown sleeving applied.

58 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet 2-020

59 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet Test results cpc Continuity Test Instrument Used: Instrument Serial No.: Range Setting: CCU-Lampholder Reading: CCU-Switch Reading: Insulation Resistance Test Instrument Used: Instrument Serial No.: Range Setting: Line-Neutral Reading: Line/Neutral-Earth Reading: Polarity Test Instrument Used: Protective Device Polarity: Switch Polarity:

60 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet Assessments are based on observed safety procedures, and the quality and accuracy of the completed exercise. YES 1. Wiring diagram function correct 2. Wiring diagram drawn neatly 3. Wiring diagram drawn using correct symbols 4. Wiring diagram labelled correctly 5. Material requisition correct first time 6. Method statement completed 7. Inspection and testing completed correctly 8. Test results correctly recorded 9. Accessories fixed in correct positions 10. Accessory covers all fixed securely 11. Cable sheath taken into all accessories 12. Clip position/spacings acceptable 13. Bends formed correctly (minimum radii and uniform) 14. Circuit functions correctly 15. cpc sheathed correctly 16. Conductors correctly coded at terminations 17. Suitable amount of spare cable left in accessories 18. Conductor insulation undamaged at terminations 19. Conductors doubled as appropriate and secure 20. Sheath/insulation stripped to correct position 21. Conductors undamaged at terminations 22. Overall appearance to a commercially acceptable standard 23. Work area conformed to requirements of HASAWA 24. Correct safety procedures observed at all times NO Start Date & Time:..... Target Time: 2 hours Finish Date & Time: Time Taken:...

61 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet : Installation of wiring systems and enclosures Worksheet 2-030: Intermediate lighting circuit NB: Students must not attempt this exercise before the correct use of all tools and materials has been demonstrated. Technical data You are to make sure that your work area is clear and safe for work to proceed. You are to make sure that all your work conforms to the requirements of the Health and Safety at Work Act. All practical electrical installation exercises must comply with BS7671 (IET Wiring Regulations). All terminations must be mechanically and electrically sound. Material required 1 off Materials from worksheets and off Surface mounted moulded switch box 1-gang 2 off Plate switch 1-gang, 2-way, single pole, 5A 1 off Plate switch 1-gang, Intermediate, single pole, 5A 6 off 3.5 x 20mm raised countersunk set pins 1 off Batten lampholder with integral back plate, 5A, 3-plate 0.9 m 1.5mm 2 twin and cpc PVC insulated and sheathed cable 1.0 m 1.5mm 2 3 core and cpc PVC insulated and sheathed cable 300mm 50mm 2mm green/yellow cpc sleeving 2mm brown sleeving Clips, screws and pins, as detailed in the exercise demonstration Procedure 1. Enter the start time on the assessment sheet. 2. Study the diagram and from it draw a wiring diagram. 3. This diagram must be handed in for assessment before proceeding. 4. Prepare the material requisition for the required materials. 5. Have the requisition checked before proceeding. 6. Obtain the material from the stores. 7. Carry out the installation. 8. Carry out the necessary tests on the installation and record all readings obtained on the assessment sheet. 9. Notify the Lecturer that the work is ready for assessment. 10. Enter the finish time on the assessment sheet. NB: Care must be taken to colour code all live conductors, ie on the switch drops of one-way lighting circuits both the line feed to the switch and the switch wire should be brown (twin brown cable + cpc is available).

62 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet 2-030

63 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet Test results cpc Continuity Test Instrument Used: Instrument Serial No.: Range Setting: CCU-Lampholder Reading: CCU-Switch Reading: Insulation Resistance Test Instrument Used: Instrument Serial No.: Range Setting: Line-Neutral Reading: Line/Neutral-Earth Reading: Polarity Test Instrument Used: Protective Device Polarity: Switch Polarity:

64 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet Assessments are based on observed safety procedures, and the quality and accuracy of the completed exercise. YES 1. Wiring diagram function correct 2. Wiring diagram drawn neatly 3. Wiring diagram drawn using correct symbols 4. Wiring diagram labelled correctly 5. Material requisition correct first time 6. Method statement completed 7. Inspection and testing completed correctly 8. Test results correctly recorded 9. Accessories fixed in correct positions 10. Accessory covers all fixed securely 11. Cable sheath taken into all accessories 12. Clip position/spacings acceptable 13. Bends formed correctly (minimum radii and uniform) 14. Circuit functions correctly 15. cpc sheathed correctly 16. Conductors correctly coded at terminations 17. Suitable amount of spare cable left in accessories 18. Conductor insulation undamaged at terminations 19. Conductors doubled as appropriate and secure 20. Sheath/insulation stripped to correct position 21. Conductors undamaged at terminations 22. Overall appearance to a commercially acceptable standard 23. Work area conformed to requirements of HASAWA 24. Correct safety procedures observed at all times NO Start Date & Time:..... Target Time: 4 hours Finish Date & Time: Time Taken:...

65 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet : Installation of wiring systems and enclosures Worksheet 2-040: Radial final power circuit NB: Students must not attempt this exercise before the correct use of all tools and materials has been demonstrated. Technical data You are to make sure that your work area is clear and safe for work to proceed. You are to make sure that all your work conforms to the requirements of the Health and Safety at Work Act. All practical electrical installation exercises must comply with BS7671 (IET Wiring Regulations). All terminations must be mechanically and electrically sound. Material required 1 off 45 amp 1-way consumer unit 1 off 20A rewireable fuse carrier and base 2 off Surface mounted moulded socket box 1-gang 2 off Insulated switched flush socket outlet 1-gang, 13A 4 off 3.5 x 20mm raised countersunk set pins 2.5mm 2 twin and cpc PVC insulated and sheathed cable 300mm 2mm green/yellow cpc sleeving Clips, screws and pins, as detailed in the exercise demonstration Procedure 1. Enter the start time on the assessment sheet. 2. Study the diagram and from it draw a wiring diagram. 3. This diagram must be handed in for assessment before proceeding. 4. Prepare the material requisition for the required materials. 5. Have the requisition checked before proceeding. 6. Obtain the material from the stores. 7. Carry out the installation. 8. Carry out the necessary tests on the installation and record all readings obtained on the assessment sheet. 9. Notify the Lecturer that the work is ready for assessment. 10. Enter the finish time on the assessment sheet.

66 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet 2-040

67 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet Test results cpc Continuity Test Instrument Used: Instrument Serial No.: Range Setting: CCU-Socket 1 Reading: CCU-Socket 2 Reading: Insulation Resistance Test Instrument Used: Instrument Serial No.: Range Setting: Line-Neutral Reading: Line/Neutral-Earth Reading: Polarity Test Instrument Used: Socket 1 Polarity: Socket 2 Polarity:

68 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet Assessments are based on observed safety procedures, and the quality and accuracy of the completed exercise. YES 1. Wiring diagram function correct 2. Wiring diagram drawn neatly 3. Wiring diagram drawn using correct symbols 4. Wiring diagram labelled correctly 5. Material requisition correct first time 6. Method statement completed 7. Inspection and testing completed correctly 8. Test results correctly recorded 9. Accessories fixed in correct positions 10. Accessory covers all fixed securely 11. Cable sheath taken into all accessories 12. Clip position/spacings acceptable 13. Bends formed correctly (minimum radii and uniform) 14. Circuit functions correctly 15. Consumer unit correctly connected 16. Consumer unit correct size protective device 17. cpc sheathed correctly 18. Conductors connected to correct terminations 19. Suitable amount of spare cable left in accessories 20. Conductor insulation undamaged at terminations 21. Conductors doubled as appropriate and secure 22. Sheath/insulation stripped to correct position 23. Conductors undamaged at terminations 24. Overall appearance to a commercially acceptable standard 25. Work area conformed to requirements of HASAWA 26. Correct safety procedures observed at all times Start Date & Time:..... Target Time: 2.5 hours NO Finish Date & Time: Time Taken:...

69 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet : Installation of wiring systems and enclosures Worksheet 2-050: Ring final power circuit NB: Students must not attempt this exercise before the correct use of all tools and materials has been demonstrated. Technical data You are to make sure that your work area is clear and safe for work to proceed. You are to make sure that all your work conforms to the requirements of the Health and Safety at Work Act. All practical electrical installation exercises must comply with BS7671 (IET Wiring Regulations). All terminations must be mechanically and electrically sound. Material required The following are the items of material required IN ADDITION to those used in the previous worksheet (Worksheet 2-040). 1 off 30A rewireable fuse carrier and base 2 off Surface mounted moulded socket box 2-gang 2 off Insulated switched flush socket outlet 2-gang, 13A 4 off 3.5 x 20mm raised countersunk set pins 2.5mm 2 twin and cpc PVC insulated and sheathed cable 300mm 2mm green/yellow cpc sleeving Clips, screws and pins, as detailed in the exercise demonstration Procedure 1. Enter the start time on the assessment sheet. 2. Study the diagram and from it draw a wiring diagram. 3. This diagram must be handed in for assessment before proceeding. 4. Prepare the material requisition for the required materials. 5. Have the requisition checked before proceeding. 6. Obtain the material from the stores. 7. Carry out the installation. 8. Carry out the necessary tests on the installation and record all readings obtained on the assessment sheet. 9. Notify the Lecturer that the work is ready for assessment. 10. Enter the finish time on the assessment sheet.

70 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet 2-050

71 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet Test results cpc Continuity Test Instrument Used: Instrument Serial No.: Range Setting: CCU-Socket 1 Reading: CCU-Socket 2 Reading: CCU-Socket 3 Reading: CCU-Socket 4 Reading: Continuity of Ring Final Circuit Test Instrument Used: Instrument Serial No.: Range Setting: Line-Line Loop Reading (r 1): Neutral-Neutral Loop Reading (r n): CPC-CPC Loop Reading (r 2): Line-Neutral Skt 1 Reading: Line-Neutral Skt 2 Reading: Line-Neutral Skt 3 Reading: Line-Neutral Skt 4 Reading: Line-CPC Skt 1 Reading: Line-CPC Skt 2 Reading: Line-CPC Skt 3 Reading: Line-CPC Skt 4 Reading: Insulation Resistance Test Instrument Used: Instrument Serial No.: Range Setting: Line-Neutral Reading: Line/Neutral-Earth Reading: Polarity Test Instrument Used: Socket 1 Polarity: Socket 2 Polarity: Socket 3 Polarity: Socket 4 Polarity:

72 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet Assessments are based on observed safety procedures, and the quality and accuracy of the completed exercise. YES 1. Wiring diagram function correct 2. Wiring diagram drawn neatly 3. Wiring diagram drawn using correct symbols 4. Wiring diagram labelled correctly 5. Material requisition correct first time 6. Method statement completed 7. Inspection and testing completed correctly 8. Test results correctly recorded 9. Accessories fixed in correct positions 10. Accessory covers all fixed securely 11. Cable sheath taken into all accessories 12. Clip position/spacings acceptable 13. Bends formed correctly (minimum radii and uniform) 14. Circuit functions correctly 15. Consumer unit correctly connected 16. Consumer unit correct size protective device 17. cpc sheathed correctly 18. Conductors connected to correct terminations 19. Suitable amount of spare cable left in accessories 20. Conductor insulation undamaged at terminations 21. Conductors doubled as appropriate and secure 22. Sheath/insulation stripped to correct position 23. Conductors undamaged at terminations 24. Overall appearance to a commercially acceptable standard 25. Work area conformed to requirements of HASAWA 26. Correct safety procedures observed at all times NO Start Date & Time:..... Target Time: 3 hours Finish Date & Time: Time Taken:...

73 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet : Installation of wiring systems and enclosures Worksheet 2-060: Fused and non-fused spurs power circuit NB: Students must not attempt this exercise before the correct use of all tools and materials has been demonstrated. Technical data You are to make sure that your work area is clear and safe for work to proceed. You are to make sure that all your work conforms to the requirements of the Health and Safety at Work Act. All practical electrical installation exercises must comply with BS7671 (IET Wiring Regulations). All terminations must be mechanically and electrically sound. Material required The following are the items of material required IN ADDITION to those used in the previous worksheet (Worksheet 2-050). 3 off Surface mounted moulded socket box 1-gang 1 off Insulated switched flush socket outlet 1-gang, 13A 1 off Insulated switched flush fused connection unit (C/W 3A fuse) 1 off FAN connection unit 2 off Surface mounted moulded socket box 2-gang 2 off Insulated switched flush socket outlet 2-gang, 13A 1 off 30 amp, 3-terminal insulated junction box 10 off 3.5 x 20mm raised countersunk set pins 2.5mm 2 twin and cpc PVC insulated and sheathed cable 1.5mm 2 twin and cpc PVC insulated and sheathed cable 300mm 2mm green/yellow cpc sleeving Clips, screws and pins, as detailed in the exercise demonstration Procedure 1. Enter the start time on the assessment sheet. 2. Study the diagram and from it draw a wiring diagram. 3. This diagram must be handed in for assessment before proceeding. 4. Prepare the material requisition for the required materials. 5. Have the requisition checked before proceeding. 6. Obtain the material from the stores. 7. Carry out the installation. 8. Carry out the necessary tests on the installation and record all readings obtained on the assessment sheet. 9. Notify the Lecturer that the work is ready for assessment. 10. Enter the finish time on the assessment sheet.

74 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet 2-060

75 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet Test results cpc Continuity Test Instrument Used: Instrument Serial No.: CCU-Socket 1 Reading: Range Setting: CCU-Socket 2 Reading: CCU-Socket 3 Reading: CCU-Socket 4 Reading: CCU-Socket 5 Reading: CCU-Socket 6 Reading: CCU-Connection unit (FCU) Reading: CCU-Fan terminal Reading: Continuity of Ring Final Circuit Test Instrument Used: Instrument Serial No.: Range Setting: Line-Line Loop Reading (r 1): Neutral-Neutral Loop Reading (r n): CPC-CPC Loop Reading (r 2): Line-Neutral Skt 1 Reading: Line-Neutral Skt 2 Reading: Line-Neutral Skt 3 Reading: Line-Neutral Skt 4 Reading: Line-Neutral Skt 5 Reading: Line-Neutral Skt 6 Reading: Line-Neutral Skt 7 Reading: Line-Neutral FCU Reading: Line-CPC Skt 1 Reading: Line-CPC Skt 2 Reading: Line-CPC Skt 3 Reading: Line-CPC Skt 4 Reading: Line-CPC Skt 5 Reading: Line-CPC Skt 6 Reading: Line-CPC Skt 7 Reading: Line-CPC FCU Reading::

76 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet Insulation Resistance Test Instrument Used: Instrument Serial No.: Range Setting: Line-Neutral Reading: Line/Neutral-Earth Reading: Polarity Test Instrument Used: Socket 1 Polarity: Socket 2 Polarity: Socket 3 Polarity: Socket 4 Polarity: Socket 5 Polarity: Socket 6 Polarity: Socket 7 Polarity: FCU Polarity: Fan terminal Polarity:

77 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet Assessments are based on observed safety procedures, and the quality and accuracy of the completed exercise. YES 1. Wiring diagram function correct 2. Wiring diagram drawn neatly 3. Wiring diagram drawn using correct symbols 4. Wiring diagram labelled correctly 5. Material requisition correct first time 6. Method statement completed 7. Inspection and testing completed correctly 8. Test results correctly recorded 9. Accessories fixed in correct positions 10. Accessory covers all fixed securely 11. Correct sized cable used 12. Cable sheath taken into all accessories 13. Clip position/spacings acceptable 14. Bends formed correctly (minimum radii and uniform) 15. Circuit functions correctly 16. Consumer unit correctly connected 17. Consumer unit correct size protective device 18. cpc sheathed correctly 19. Conductors connected to correct terminations 20. Suitable amount of spare cable left in accessories 21. Conductor insulation undamaged at terminations 22. Conductors doubled as appropriate and secure 23. Sheath/insulation stripped to correct position 24. Conductors undamaged at terminations 25. Overall appearance to a commercially acceptable standard 26. Work area conformed to requirements of HASAWA 27. Correct safety procedures observed at all times NO Start Date & Time:..... Target Time: 4 hours Finish Date & Time: Time Taken:...

78 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet : Installation of wiring systems and enclosures Worksheet 2-070: Tongue and groove floorboard NB: Students must not attempt this exercise before the correct use of all tools and materials has been demonstrated. Technical data You are to make sure that all your work conforms to the requirements of the Health and Safety at Work Act. In order to prevent the floorboards splitting, nail points should be tapped with a hammer to form a blunt end. Material required 4 off Countersunk steel woodscrews 1¼ x 8 OR 8 off 40mm oval lost head nails (see note at foot of exercise) Procedure Lifting the floorboard 1. Enter the start time on the assessment sheet. 2. From the drawing and site inspection prepare a material requisition. 3. Have the requisition checked before proceeding. 4. Obtain the material from the stores. 5. Place a chalk mark on the floorboard to indicate which section the Lecturer has indicated should be lifted (see diagram 1). 6. Saw through the tongues on both sides of this floorboard section, ensuring that the tongues on both sides are completely removed for a distance of one joist width in both directions beyond the required marked section. 7. The nails found in both ends of the section should then be driven through the floorboard using a nail punch. 8. Carefully prise up the floorboard until it is possible to place a length of rod under the partly raised section (diagrams 2 and 3). 9. Slide the rod along to support the board near the end of the section. 10. Saw through the floorboard squarely along the centre line of the supporting joist (see diagram 4). 11. Reposition the rod in order to again support the section at the other end and again saw through the floorboard squarely along the centre line of the joist. 12. The required section can now be removed (see diagram 6). 13. Remove the nails from both joists. 14. Have this work checked by the Lecturer before proceeding. Floorboard replacement 15. Ensure that the section is replaced in its original position. 16. Carefully fix down this section and adjoining floorboard using the correct fixings (see diagram 5 and the note at the foot of this sheet). 17. Notify the Lecturer that the work is ready for assessment. 18. Enter the finish time on the assessment sheet. NOTE: Care must be taken when the floorboard is prised up to ensure that it does not crack or split. When there is no requirement for service access to a void, the floorboard may be nailed down; otherwise, it must be screwed.

79 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet 2-070

80 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet Assessments are based on observed safety procedures, and the quality and accuracy of the completed exercise. YES 1. Material requisition correct first time 2. Method statement completed 3. Correct section lifted 4. Tongues correctly sawn (both sides) 5. Flooring each side undamaged 6. Flooring cut square 7. Joists undamaged 8. Flooring replaced in correct position 9. Flooring replaced securely 10. Fixings in correct position 11. Overall appearance to a commercially acceptable standard 12. Work area conformed to requirements of HASAWA 13. Correct safety procedures observed at all times NO Start Date & Time:..... Target Time: 2 hours Finish Date & Time: Time Taken:...

81 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet : Installation of wiring systems and enclosures Worksheet 2-080: Chipboard floor trap NB: Students must not attempt this exercise before the correct use of all tools and materials has been demonstrated. Technical data In order to correctly carry out this exercise, specialist tools are required. Standard joists are 600mm between centres but this must be checked in every case. A suitable piece of timber with a straight edge is often used in conjunction with the jigsaw in order to ensure that the cut edge is straight. You are to make sure that all your work conforms to the requirements of the Health and Safety at Work Act. In order to prevent the floorboards splitting, nail points should be tapped with a hammer to form a blunt end. Material required 8 off Countersunk steel woodscrews 75mm x no.10 4 off Countersunk steel woodscrews 42mm x no m 50mm x 50mm sawn timber Procedure 1. Enter the start time on the assessment sheet. 2. From the drawing and site inspection prepare a material requisition. 3. Have the requisition checked before proceeding. 4. Obtain the material from the stores. 5. Place a chalk mark on the chipboard floor to indicate which section the Lecturer has indicated to be lifted (see diagram 1). 6. Establish the centre, width and thickness of the supporting joists by sliding a knife in the joint of the floorboards to establish the exact position of the joists. 7. Accurately mark out the required position for the inspection trap. 8. Mark the orientation of the trap to ensure correct relocation later. 9. Have this work checked by the Lecturer before proceeding. 10. Carefully drill an 8mm diameter pilot hole in one corner of the inspection trap (see diagram 2). 11. Drill a second 8mm pilot hole in the other corner as indicated on the diagram (see diagram 2). 12. Using the jigsaw, cut out the trap by sawing along each line in turn, starting from the pilot hole each time. This cut-out section MUST be retained to form the trap lid. 13. Have this work checked by the Lecturer before proceeding.

82 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet Construction of the trap support frame 14. Cut two off 350mm lengths of timber which are to form the support members of the frame which is secured to the inside of opposing floor joists. 15. Place the timbers together against the inside of one of the joists and measure the distance between the inside timber and the other floor joist. 16. Cut two pieces of timber to this measured length, making sure that the ends are square. 17. Screw the frame together as shown in the diagram (see diagrams 3, 4 and 5), ensuring that the edges are level drill pilot holes in the outer support members. 18. Drill two 4mm holes in both of the support members to facilitate the screw fixings to the joists to be made. 19. Fix the trap support frame in position. 20. Have this work checked by the Lecturer before proceeding. 21. Drill four 4mm diameter holes in the trap lid as shown in the diagram (see diagram 6). 22. Fix the trap lid in position. 23. Notify the Lecturer that the work is ready for assessment. 24. Enter the finish time on the assessment sheet. NOTE: Extreme care must be taken when using the electric jigsaw.

83 Level 2 Diploma in Electrical Installations (Buildings and Structures) Unit 204 Worksheet 2-080