Suggested Specifications for Electrical Metallic Tubing (EMT) Fittings Series 2 Insulated EMT Connector (Raintight) (Compression Type) Series 20 EMT Coupling (Raintight) (Compression Type) Series 0 Pipe Spacers Ferrous Electrical Metallic Tubing (EMT) shall be of the hot dipped galvanized type conforming to applicable specifications WW-6/ANSI C.98/ANSI C80./UL 797/ CSA C22.2 No. 8. E.M.T. protected solely by enamel shall not be used Where lengths of EMT are coupled together or connected to boxes or enclosures or where EMT is coupled to threaded rigid metal conduit or IMC, fittings approved for intended applications shall be used, and: () Shall be of rugged steel/malleable iron construction electro zinc plated inside/outside including threads. Connector throat shall be bushed with a nylon insulator (2) Shall be of raintight type for installations exposed to weather or wet locations such as Thomas & Betts series TC2A-RT and TK2A-RT () Shall be of concrete tight type for installations in poured concrete such as Thomas & Betts series TC2, TC72, or TK2, 2, 20, and 0 Raintight type fittings may be substituted for concrete tight application. Where electrical metallic tubing and associated fittings are used as part of equipment grounding system: () A bonding type locknut such as Thomas & Betts series 06 shall be installed where hub type fitting terminates into a threadless opening (2) Compression ring type fittings such as Thomas & Betts series 2 and 20 shall be used for terminating and coupling EMT shall be securely fastened in place at intervals as specified by the code using straps, hangers and other supporting assemblies as indicated on plans, and as manufactured by Thomas & Betts, series 476 straps. In wet locations or where supporting surfaces are of absorbent materials vertical and horizontal runs of conduit shall be firmly supported such that there is at least " air space between conduit and supporting surface Spacers and supporting straps shall be of rugged malleable iron or steel construction hot dipped galvanized and conforming to requirements of Canadian Standards Association Standard C22.2 No. 8 as manufactured by Thomas & Betts, series 476 straps and series 0 spacers Series 476 Pipe Straps Series 06 Bonding Locknut Series HT-22 Combination Coupling (Concrete tight) Rigid/IMC to EMT (Set Screw Type) Zinc Die Cast Series TK2-E EMT Coupling (Concrete tight) (Set Screw Type) A-00 Tel: 90.22.8000 800.86.7809 Fax: 90.22.4
Fittings for Electrical Metallic Tubing (EMT) Compression Type, Raintight 2 Series 20 Series Application To connect and effectively bond electrical metallic tubing to a box or an enclosure To provide a rain tight connection between tubing and the connector To couple ends of tubing Features Rugged all steel construction Rings designed to positively bond conduit to fitting; unique locknut design provides effective bond between fitting and box or enclosure; ground continuity is ensured Nylon insulator firmly secured in place protects conductors, reduces wire pulling effort and prevents thread damage in handling Locknuts are designed with extended reach to lock fitting on to a thin box or an enclosure Locknuts tighten without deformation; will not vibrate loose Standard Material All Steel except Insulator. Insulator....................Thermoplastic, UL Rated 0 C Standard Finish All Steel Parts...............Electro Zinc Plated & Chromate Coated Insulator.........................As Molded Range Conduit Size " thru 2" Hub Size " thru 2" NPS Hubs provided with straight pipe threads NPS. Listings/Compliances UL (UL File No. E-692) CSA (LR-4484, LR-8994) UL 4B CSA C22.2 No. 8 NFPA 70 NEMA FB Federal Specification A-A-0 Federal Standard H-28 (Threads) Tel: 90.22.8000 800.86.7809 Fax: 90.22.4 A-0
EMT Raintight Fittings Patented design includes a sealing ring, ensuring a 60 raintight seal Distinctive fitting design and gland nut color enable inspectors to visually inspect conformance from a distance no close-up inspection required All-steel construction for rugged, durable installations Sharp teeth on locknuts ensure a solid bond and tight grip on surface of enclosure Does not require disassembly to install Materials, Specifications Material: Steel Body, Steel Locknut Plating: Zinc Plated, Clear Chromate coating Liner: Nylon (for insulated fittings) Threads: Male hub threads NPS NEMA applications require sealing gaskets (sold separately) Use: Raintight, wet locations, concrete-tight Raintight EMT Compression Fittings feature a distinctive design and vibrant gland nut color, enabling inspectors to visually inspect conformance from a distance. There's no close-up inspection required! Listings/Compliances UL Listed: E-692 Listed Raintight UL Standard: 4B NEMA: FB- B Peaks L Max L Max A H Peaks B Max NON-INS. INS. PKG. CAT. NO. H L QTY. Compression Connectors TCA-RT TC7A-RT ".0.097.02.42 0 TC2A-RT TC72A-RT ".0.0.29.42 0 TCA-RT TC7A-RT ".67.64.80.62 2 TC4A-RT TC74A-RT ".70 2.27 2.000 2.062 2 TCA-RT TC7A-RT ".82 2.97 2.7 2.87 2 TC6A-RT TC76A-RT 2.82 2.87 2.70 2.2 2 CAT. NO. SIZE B L PKG. QTY. Compression Couplings TKA-RT ".660.097 0 TK2A-RT ".660.0 0 TKA-RT ".94.64 2 TK4A-RT " 2.74 2.27 2 TKA-RT " 2.00 2.97 2 TK6A-RT 2 2.70 2.87 2 Sealing Gaskets* (sold separately) SR-0 " 0 SR-02 " 0 SR-0 " 0 * Gaskets sold separately. In some jurisdictions, sealing gaskets are not required when installed in a threaded opening. Also, a connector assembled in the bottom of a box or enclosure may be considered by code to be located (placed) so that water will not enter the enclosure at the knockout interface (NEC 4. (A)). In this instance, the sealing O-ring may not be required. Consult with the local authority having jurisdiction. EMT Connectors Nylon Insulated EMT Couplings EMT Connectors DIMENSION (IN.) 2 " 64 2 22 " 2 64 27 2 " 7 42 " 2 2 2 " 2 2 2 62 2" 2 2 2 UL File No. E-692 CSA File No. LR2798 DIMENSION (IN.) 20 " 27 220 " 2 20 " 2 420 " 2 2 29 20 " 2 620 2" 2 7 UL File No. E-692 CSA File No. LR2798 DIMENSION (IN.) 2-TB " 9 22 " 2 2 " 42 " 2 2-TB " 2 2 9 62 2" 2 2 T&B EMT (thinwall) fittings comply with Federal Spec. WF408B. UL File No. E-692 CSA File No. LR2798 A-02 Tel: 90.22.8000 800.86.7809 Fax: 90.22.4
Insulated for safe, simple installation in cramped locations or tight corners! Short Elbows Insulated* Ideal for applications where large radius conduit elbows won t fit or would appear unworkmanlike Shoulders on body of " size are hex-shaped to provide positive holding for standard installation tools Malleable iron construction UL rated 0 C Ideal for cramped locations or tight corners! Short Elbows Malleable Iron* DIMENSION (IN.) C 4240 " 7 s 7 424-TB " 9 4242 " 7 27 424-TB " 2 2 4244 " 2 424 2" UL File No. E-0904 Shoulders on body of " size are hex-shaped to provide positive holding for standard installation tools Malleable iron construction DIMENSION (IN.) C 420 " 7 s 7 42 " 9 422 " 7 27 42 " 2 2 424 " 2 42 2" UL File No. E-0904 For connecting EMT to threaded rigid and intermediate metal conduit. Combination Coupling Steel* 0-TB " " 2 " 9 2 UL File No. E-0904 For XJG Conduit Expansion Couplings for EMT see page A-2. Tel: 90.22.8000 800.86.7809 Fax: 90.22.4 A-0
Snap-on design holds strap in place! Pipe Straps Steel Oval Hole for Screw Size (C) C (BOLT HOLE) 49 " 27 460 " 2 46 " 2 462 " 2 7 Elongated bolt hole makes alignment easy, even when holes in mounting surface are out of alignment Available in " to 2" sizes 46 " 464 2" 4 Not UL Listed. and 4484 Designed to fit each size of conduit snugly! Pipe Straps Malleable Iron Oval Hole for Screw Size (C) C (BOLT HOLE) 476 " 2 477 " 2 9 2 478 " 479 " 480 " 4 High reinforcing ribs on each side increase strength and reduce weight Hot-dipped galvanized finish 48 2" 282 2 " 28 " 6 284 " 7 9 28 4" 8 7 Not UL Listed. and 4484 7 Eliminates the need for costly offset-bending of conduit to prevent corrosive moisture traps when conduit is mounted directly to a surface! Pipe Spacers 0 Used with T&B conduit straps to permit space between conduit and mounting surface Pre-mountable and stackable to eliminate offsetting Malleable iron construction with hot-dipped galvanized finish 0 ", ", " " 7 "- "-2" " " 2 2 "-" 9 9 " " "-4" 7 9 " 2" 4 4 "-"-6" 0 9 " 2 9 " Conforms to NEC 00--C. A-04 Tel: 90.22.8000 800.86.7809 Fax: 90.22.4