Part F: Code Book Questions Article 324: Flat Conductor Cable (FCC) 1.! Type FCC (flat conductor cable) cable wiring system is designed for installations under.! (a) tile! (c) carpet squares! (b) carpet! (d) concrete 2.! Voltage between the ungrounded and the grounded conductor on FCC cable shall not exceed! volts.! (a) 50! (c) 300! (b) 150! (d) 600 3.! FCC cable can have individual branch circuits with a rating not exceeding amperes.! (a) 15! (c) 25! (b) 20! (d) 30 4.! FCC carpet squares that are adhered to the floor shall be attached with.! (a) tacking strip! (c) glue! (b) release-type adhesive! (d) any of these 5.! Metal components of the FCC system shall be.! (a)!insulated from contact with corrosive substances! (b)!coated with corrosion-resistant materials! (c)! corrosion-resistant! (d)!any of these 6.! When installing a type FCC system under carpet squares, not more than crossings of cable! runs shall be permitted at any one point.! (a) 1! (c) 4! (b) 2! (d) 5 7.! All type FCC cable connections shall use connectors identified for their use, installed such that! against dampness and liquid spillage are provided.! (a) electrical continuity! (c) sealing! (b) insulation! (d) all of the above
8.! Power feed, grounding connection, and shield system connection between the FCC system!and! other wiring systems shall be accomplished in a.! (a) transition assembly! (b) raceway! (c) trench! (d) none of these 9.! Connection from any grounding conductor of the type FCC cable shall be made to the shield! system at each.! (a) boxes! (c) self-contained device! (b) receptacle housings! (d) all of these 10.!FCC cable shall consist of flat copper conductors, one of which shall be an equipment! grounding conductor.! (a) three! (c) five! (b) four! (d) any of these 11.!Type FCC cable shall be clearly and durably marked with.! (a) material of conductors! (c) ampacity! (b) maximum temperature rating! (d) all of the above Article 326: Integrated Gas Spacer Cable (IGS) 12.!The ampacity of a #250 kcmil IGS (integral gas spacer) cable is amperes.! (a) 119! (c) 215! (b) 168! (d) 255 13.!The maximum ampacity for a single #500 kcmil conductor in a type IGS cable shall not exceed! amperes.! (a) 119! (c) 206! (b) 168! (d) 238 14.!The nominal gas pressure for IGS cable insulation shall be pounds per square inch guage.! (a) 5! (c) 15! (b) 10! (d) 20
Article 328: Medium Voltage Cable (MV) 15.!Type, medium voltage cable, is a single or multiconductor solid dielectric insulated cable! rated 2001 volts or higher.! (a) MI! (c) MVC! (b) NM! (d) MV 16.!Type MV cables shall be permitted for use on power systems rated up to volts.! (a) 600! (c) 4,160! (b) 2,300! (d) 35,000 17.!Type MV cables shall not be used unless identified for the use.! (a) where exposed to direct sunlight! (c) direct buried! (b) in cable trays! (d) all of these Article 330: Metal-Clad Cable (MC) 18.!Type, metal-clad cable, is a factory assembly of one or more conductors, each individually! insulated and enclosed in a metallic sheath of interlocking tape, or a smooth or corrugated tube.! (a) MI! (c) MC! (b) AC! (d) MCC 19.!Type MC cable installed outside of buildings or as aerial cable shall comply with NEC! Article.! (a) 225.10! (c) 396.12! (b) 396.10! (d) none of these 20.!Type MC cable shall not be used.! (a) where subject to physical damage! (c) in concrete! (b) directly buried in the earth! (d) any of these 21.!MI cable shall be permitted. Article 332: Mineral Insulated, Metal-Sheathed Cable (MI)! (a) for services, feeders and branch circuits!! (c) where exposed or concealed! (b) in dry, wet, continuously moist locations! (d) all of the above
22.!Which of the following statements about MI cable is correct?! (a)!it may be used in any hazardous (classified) location! (b)!it may be mounted flush on a wall in a wet location! (c)! it shall be supported every 10 feet! (d)!a single run of cable shall not contain more than four quarter bends 23.!For MI cable, bends in the radius of the inner edge of any bend shall not be less than times! the external diameter of the metallic sheath for cable not more than 3/4 in external diameter.! (a) 5! (c) 7! (b) 6! (d) 8 24.!Where MI cable terminates, an end shall be provided immediately after stripping to prevent! the entrance of moisture into the insulation.! (a) bushing! (c) fitting! (b) connector! (d) seal fitting 25.!Ml cable has.! (a)!solid copper conductors! (b)!outer sheath to provide mechanical protection! (c)! an adequate path for grounding purposes! (d)!all of these Article 334: Nonmetallic-Sheathed Cable (NM, NMC, NMS) 31.!Which of the following is true concerning type NM (non-metallic sheathed) cable?! (a)!it may be installed where exposed to corrosive fumes! (b)!it may be fished in air voids in masonry block or tile walls! (c)! it may be embedded in masonry, concrete, or plaster! (d)!it may be covered with plaster, adobe, or similar finish 32.!When passing through a floor NM cable shall be enclosed in a pipe or conduit extending at least! above the floor! (a) 1 inch! (c) 6 inches! (b) 3 inches! (d) 1 foot 33.!NM (nonmetallic sheath cable): If installed in an attic that is not accessible by stairs or permanent! ladder needs to be protected within feet of a scuttle hole.! (a) 2! (b) 3! (c) 6! (d) 10
34.!The allowable distance between supports of nonmetallic-sheathed cable shall not exceed feet.! (a) 2! (c) 4! (b) 3-1/2! (d) 4-1/2 35.!Nonmetallic sheath cable shall be supported within of every cabinet, box or fitting.! (a) 6 inches! (c) 2 feet! (b) 12 inches! (d) 4 feet 36.! of insulating material shall be permitted to be used without boxes in exposed cable wiring! and for rewiring of existing buildings.! (a) Switch devices! (c) Tap devices! (b) Outlet devices! (d) any of these 37.!The ampacity of types NM and NMC cable shall be that of conductors.! (a) 60 C! (c) 90 C! (b) 75 C! (d) 140 C 38.!The power conductors in type NMS cable are manufactured in sizes copper.! (a)!#14-#6! (c)! #14-#2! (b)!#14-#4! (d)!#12-#2 39.!The overall covering of type NMC cable shall be.! (a) flame retardant! (c) fungus and corrosion resistant! (b) moisture resistant! (d) all of the above Article 336: Power And Control Tray Cable (TC) 40.!Type TC power and control cable shall be permitted to be used.! (a)!for power, lighting, control, and signal circuits! (b)!in outdoor locations when supported by a messenger wire! (c)! in cable trays! (d)!all of the above
Article 338: Service-Entrance Cable (SE, USE) 41.!Type SE service-entrance cables shall be permitted in interior wiring systems where all of the! circuit conductors of the cable are of the type.! (a) cross-linked polymer! (c) thermoplastic! (b) rubber-covered! (d) rubber-covered or thermoplastic 42.!SE cable used to supply shall not be subject to conductor temperatures in excess of the! temperature specified for the type of insulation involved.! (a) lighting! (c) motors! (b) appliances! (d) generators 43.!Type USE service entrance cable identified for underground use in a cabled assembly shall be! permitted to have a concentric conductor applied.! (a) bare copper! (c) bare aluminum! (b) covered metal! (d) covered 44.!If SE or USE cable consists of two or more conductors, one shall be permitted to be.! (a) insulated! (c) tagged! (b) green! (d) uninsulated Article 340: Underground Feeder And Branch-Circuit Cable (UF) 45.!Type UF cable shall be permitted for.! (a) service entrance cable! (c) underground! (b) embedded in concrete! (d) hoistways 46.!Type UF cable shall be permitted for wiring in locations.! (a) wet! (b) dry! (c) corrosive! (d) any of these 47.!The ampacity of type UF cable shall be that of conductors.! (a) 60 F! (c) 75 C! (b) 60 C! (d) 140 C 48.!Type UF cable is manufactured in sizes #14 through.! (a) #4/0! (c) #6! (b) #4! (d) #10
49.!The overall covering of UF cable shall be.! (a) flame-retardant!! (c) suitable for direct burial in the earth! (b) moisture, fungus and corrosion resistant!! (d) all of the above Article 342: Intermediate Metal Conduit (IMC) 50.!Where practicable, dissimilar metals in contact anywhere in the system shall be avoided to! eliminate the possibility of.! (a) hysteresis! (c) specific gravity! (b) galvanic action! (d) resistance 51.! fittings and enclosures shall be permitted to be used with IMC.! (a) lead! (c) aluminum! (b) copper! (d) any of these 52.!Where conduit is threaded in the field, a standard conduit cutting die with a inch taper per! foot shall be used.! (a) 1/2! (c) 1! (b) 3/4! (d) 1-1/4 Article 344: Rigid Metal Conduit (RMC) 53.! shall be permitted to be installed in concrete, in direct contact with the earth, or in areas! subject to severe corrosive influences where protected by corrosion protection and judged suitable! for the condition.! (a) PVC! (c) Orangeburg! (b) Ceramic! (d) Rigid Metal Conduit 54.!There shall not be more than the equivalent of quarter bends (360 degrees total) between! pull points.! (a) 2! (c) 4! (b) 3! (d) none of these 55.!All cut ends of (RMC) rigid metal conduit shall be.! (a) threaded! (c) reamed! (b) electrically continuous! (d) cut square
56.!Rigid metal conduit size 2 shall be supported every feet.! (a) 10! (c) 14! (b) 12! (d) 16 57.!Rigid conduit shall be every 10 feet as required by section 110-21.! (a) stamped! (c) marked! (b) clearly and durably identified! (d) none of these Article 348: Flexible Metal Conduit (FMC) 58.!The largest conductor permitted in 3/8 flexible conduit is.! (a) #12! (c) #14! (b) #16! (d) #10 59.!How many #12 XHHW conductors can you install in a 3/8 flexible metal conduit with the fitting! outside the conduit?! (a) 0! (c) 2! (b) 1! (d) 3 60.!Flexible metal conduit shall be secured by approved means at intervals not exceeding feet! and within 12 on each side of every outlet box.! (a) 2! (c) 4-1/2! (b) 4! (d) 8 Article 350: Liquidtight Flexible Metal Conduit (LFMC) 61.!Liquidtight flexible metal conduit may be used in which of the following locations?! (a) in areas that are both exposed or concealed! (b)!in areas where the ambient temperature is to be greater than 194 C! (c)! in areas that are subject to physical damage! (d)!in connection areas for gasoline dispensing pumps 62.!Liquidtight flexible metal conduit shall not be permitted.! (a)!in hazardous locations! (b)!in exposed and concealed work! (c)! where temperatures are in excess for which the material is approved! (d)!where installations requires flexibility or protection from liquids, vapors or solids
63.!Liquidtight flexible metal conduit is shipped in what sizes (minimum to maximum)?! (a) 1/2 to 4! (c) 3/4 to 5! (b) 1/2 to 6! (d) 1/2 to 2 Article 352: Rigid Nonmetallic Conduit (RNC) 64.!Which of the following is not true regarding rigid nonmetallic conduit?! (a)!extreme cold may cause some nonmetallic conduits to become brittle and therefore more!! susceptible to damage from physical contact.! (b)!rnc can be used to support fixtures.! (c)! RNC can be used in walls, floors and ceilings.! (d)!expansion joints shall be provided to compensate for thermal expansion and contraction. 65.!When installing rigid nonmetallic conduit.! (a)!all joints shall be made with expansion fittings! (b)!all cut ends shall be trimmed inside and outside to remove rough edges! (c)! there shall be support within 2 feet of each box, cabinet! (d)!bending shall be made by an approved bending machine 66.!Rigid nonmetallic conduit has a maximum spacing between supports of feet.! (a) 3! (c) 6! (b) 5! (d) 8 67.!In a straight run of rigid nonmetallic conduit expansion joints are required where the computed! length change due to thermal expansion or contraction is at least inch or more.! (a) 1/8! (b) 1/4! (c) 3/8! (d) 1/2 Article 354: Nonmetallic Underground Conduit With Conductors (NUCC) 68.!Factory assembled nonmetallic conduit (NUCC) with conductors is not permitted.! (a)!in cinder fill! (b)!in exposed locations! (c)! encased or embedded in concrete! (d)!in underground locations subject to severe corrosive influences
Article 358: Electrical Metallic Conduit (EMT) 69.!EMT (electrical metallic tubing) shall not be used.! (a)!for exposed work!! (b)!where protected from corrosion solely by enamel! (c)! for concealed work!! (d)!none of these 70.!Aluminum fittings and enclosures shall be permitted to be used with where not subject to! severe corrosive influences.! (a) both ferrous and nonferrous conduits!! (c) electrical nonmetallic tubing! (b) PVC schedule 80 conduit!! (d) steel (EMT) electrical metallic tubing 71.!Minimum and maximum sizes of EMT are except for special installations.! (a) 5/16 to 3! (c) 1/2 to 3! (b) 3/8 to 4! (d) 1/2 to 4 72.!The maximum number of quarter bends in one run of EMT is.! (a) two! (c) five! (b) four! (d) none of these 73.!EMT shall be permitted as an equipment grounding conductor.! (a) true! (b) false!!! Article 360: Flexible Metallic Tubing (FMT) 74.!The radius of bends of 1/2 of flexible metallic tubing (FMT) for flexing use shall not be less than! inches.! (a) 3-1/2! (c) 12-1/2! (b) 4! (d) 17-1/2 75.!The minimum radius of a fixed bend for a 3/4 flexible metallic tubing is inches.! (a)!17-1/2! (c) 10! (b) 12-1/2! (d) 5
Article 362: Electrical Nonmetallic Conduit (ENT) 76.!A pliable raceway is a raceway which can be bent with a reasonable force, but without other! assistance.! (a) with heat! (c) by hand! (b) without heat! (d) easily 77.!Electrical nonmetallic tubing is not permitted.! (a)!above a suspended ceiling (with a 15 minute fire rating)! (b)!embedded in concrete! (c)! for direct burial! (d)!concealed in walls, floors and ceilings (with a 15 minute fire rating over three floors) 78.!The voltage limitation for electrical nonmetallic tubing (ENT) is.! (a) 600 volts! (c) 1100 volts! (b) 900 volts! (d) 1200 volts 79.!Electrical nonmetallic tubing (ENT) is permitted to be used in sizes.! (a) 1/2-1! (c) 3/8-3! (b) 1/2-2! (d) 3/8-4 80.!Electrical nonmetallic tubing shall be clearly and durably marked at least every feet.! (a) 3! (c) 8! (b) 6! (d) 10 Article 366: Auxilliary Gutters 81.!Metallic auxiliary gutters shall be permitted to supplement wiring spaces at meter centers,! distribution centers, switchboards, and similar points of wiring systems and may enclose.! (a) electric wires! (c) busbars! (b) cables! (d) any of these 82.!An auxiliary gutter shall not extend a greater distance than feet beyond the equipment which! it supplements.! (a) 10! (c) 30! (b) 20! (d) 40
83.!How much current is allowed on a copper bus bar (4 wide by 1/2 thick)?! (a) 500 amps! (c) 1500 amps! (b) 1000 amps! (d) 2000 amps 84.!Sheet metal auxiliary gutters shall be supported throughout their entire length at intervals not! exceeding feet.! (a) 5! (b) 6! (c) 8! (d) 10 85.!In auxiliary gutters where the voltage on bus bars is 150 volts and the bars are opposite polarity,! held free in the air, the minimum spacing between the parts is inches.! (a) 3/4! (c) 1-1/2! (b) 1! (d) 2 Article 368: Busways 86.!For industrial use omission of overcurrent protection shall be permitted at points where busways! are reduced in size, provided that the smaller busway doesn t extend more than feet.! (a) 10! (b) 20! (c) 50! (d) 70 87.!Where devices containing a disconnecting means are mounted out of reach, suitable means shall! be provided to operate the disconnecting means from the floor. Which of the following is! permitted?! (a) Devices cannot be mounted out of reach.! (c) Ropes, chains or sticks shall be provided! (b) Ladders are not permitted.!! (d) No method is permitted. 88.!Busways shall be securely supported, unless otherwise designed and marked at intervals not to! exceed feet.! (a) 3! (c) 8! (b) 5! (d) 10 89.!Metal-enclosed busways, over 600 volts, shall be installed so that from induced circulating! currents in any adjacent metallic parts will not be hazardous to personnel or constitute a fire! hazard.! (a) stray currents! (c) the impedance! (b) magnetic flux! (d) temperature rise
90.!Busways over 600 volts having sections located both inside and outside of buildings shall have a! at the building wall.!!! (a) vapor seal! (c) condulet! (b) fire barrier! (d) ventilated enclosure 91.!Busways rated over 600 volts shall have all conductor termination and connection hardware! accessible for.! (a) installation! (c) maintenance! (b) connection! (d) all of these