® T&B Fittings Industrial Fittings Armoured Cable and Flexible Metal Conduit Fittings Specifications Armoured Cable (Type AC90) According to CEC Rule 12-610 Please refer to the following for further Ref. CEC Rule 12-600 details and complete information: (1) Where conductors issue from armour, they 1. UL 4, ANSI C33.9…Safety The Canadian Electric Code 2012 Part I defines shall be protected from abrasion by type AC armoured cable as, “A fabricated assem- Standards for Armoured Cable bushings of insulating material or bly of insulated conductors in a flexible metallic equivalent devices. 2. UL 514 A and 514B Safety enclosure.” Standards for Outlet Boxes (2) Where conductors are No. 8 AWG or larger, and Fittings copper or aluminum, such All armoured cables may employ copper or aluminum or copperclad aluminum conductors with protection shall consist of: 3. W-F-406…Federal Specification: the following sizes and are rated for 600 volts or (a) Insulated type bushings, unless the equipment Fittings for Cable, Power, Electrical and less: is equipped with a hub having a smoothly rounded Conduit, Metal, Flexible throat; or No. 14 AWG to No. 1 AWG Copper 4. NEMA FB-1…Standards Publication: (b) Insulating material fastened securely in place Fittings, Cast Metal Boxes and Conduit Bo- which will separate the conductors from armoured No. 12 AWG to No. 1 AWG Aluminum or Copperclad dies for Conduit, Electrical Metallic cable fittings and afford adequate resistance to Aluminum mechanical injury. Tubing and Cable Armoured cable can be used for both exposed or (3) Where armoured cable is fastened to 5. CEC Section 12-600…Wiring concealed locations. equipment, the conductor or clamp shall be Methods (Armoured Cable) of such design as to leave the Armoured cable is not permitted in locations where 6. CSA C22.2 No. 51…Safety insulating bushing or its equivalent it will be subjected to physical damage or corrosive Standards for Armoured Cables visible for inspection. fumes. Armoured cable cannot be used for direct 7. CSA C22.2 No. 18.1 and 18.3…Safety burial in earth. (4) Where conductors connected to open Standards for Outlet Boxes, wiring issue from the ends of armouring, Codes require that cable shall be supported with Conduit Boxes and Fittings they shall be protected with boxes or with straps or staples without damaging conductors. fittings having a separately bushed hole for Certain precautions are prescribed in code where each conductor. cable is installed through joist rafters or similar wood members. Please Note The excerpts and other material herein, whether relating to the Canadian Electrical Code 2012 Part I, the Underwriters Laboratories, Inc. listing, to industry practice or otherwise, is not intended to provide all relevant information required for use and installation. Reference to original or primary source material and data is mandatory before any application or use is made of the product. w w w .tnb .c a B110 ® T&B Fittings Industrial Fittings Armoured Cable and Flexible Metal Conduit Fittings Specifications (cont’d) Flexible Metal Conduit Ref. CEC Rule 12-1000 connections at motor terminals and similar places, 5. NEMA FB1 . . . . . Standards Publication: ref.: CEC Rule 18-152 (6) and Bonding CEC Rule Fittings and Supports for Conduit and Cable Flexible metal conduit can be used for exposed or 18-074 (1)(a). Class I Division 2, flexible connec- Assemblies concealed work in dry locations. It can be used for tions at motor terminals and similar places, ref: CEC 6. C EC 12-1000…Wiring Method wet locations provided conductors within are lead Rule J18-152 (3) and Bonding CEC Rule J18-072 (1) covered or other approved type. (Rigid & Flexible Conduit) (a). Flexible metal conduit is available with steel or aluminum armour in trade size 5/16 in. to 4 in. With 7. CSA C22.2 No. 56 . . . . . Safety Flexible metal conduit cannot be used underground few exceptions where 5/16 and 3/8 trade sizes are Standards for Flexible Metallic or embedded in poured concrete or aggregate. With used, Code prohibits use of conduit less than 1/2 in. Conduit and Liquid-Tight Flexible Metal rubber covered conductors the conduit cannot be trade size. Bends in concealed work are restricted exposed to oil, gasoline or other materials having a Conduit to four 90° bends (CEC Rule 12-940). No angle deteriorating effect on rubber. 8. CSA C22.2 No. 18 . . . . . Safety fittings are permitted in concealed raceway Standards for Outlet Boxes, Conduit Boxes With minor exceptions use of flexible metal con- installations. and Fittings duit is not permitted in hoists, in storage battery Please refer to the following for further details and rooms and in any hazardous locations. Use of flex- 9. CEC Rule 12-1000 complete information: ible metal conduit is restricted to systems under Rule 18-152 (6) and Bonding Rule 18-074 600 volts. 1. UL 1, ANSI C33.92 . . . . . Safety (1)(a) Class I, Zone 2 Flexible connections Standards for Flexible Metal Conduit at motor terminals and similar places. Flexible metal conduit longer than six feet is 2. UL 514 . . . . . Safety Rule J18-152 (6) and Bonding Rule permitted to be used as a grounding means provided the conduit and the fitting are approved Standards for Outlet Boxes and Fittings J18-072 (1)(a) Class I, Division 2 Flexible for the purpose. To date there is no flexible metal connections at motor terminals and similar 3. W-F-406… . . . . Federal Specification: conduit approved for the purpose by the places. Fittings for Cable, Power, Electrical and Underwriters Laboratories or CSA. Rule 12-940 . . . . . .Not more than the Conduit, Metal Flexible equivalent of four 90° bends In Class II Zone 2 and Division 2 hazardous 4. WW-C-566 . . . . .Federal Specification: areas, the conduit itself cannot be used as the Conduit, Metal, Flexible grounding means. Class I Zone 2, flexible Suggested Specifications • A rmoured cable and flexible metal • W here armoured cable or flexible metal • S uitable bushing as manufactured by conduit shall conform to provisions of conduit terminates into a threadless or Thomas & Betts, Series 422 or 390, following applicable standards: threaded opening it shall be assembled shall be provided between the conductors Armoured Cable…UL 4/ANSI C33.9/CSA with approved fittings; fittings shall be of and armour C22.2 No. 51 malleable iron/steel construction, • W here approved armoured cable or flexible Flexible Metal Conduit…UL 1/ANSI C33.92/ electro-zinc plated inside outside, equipped metal conduit is used as an equipment WW-C-566/CSA C22.2 No.56 with nylon insulated throat and shall be of grounding conductor terminating fitting angled saddle type as manufactured by • T ype of cable used and conductors within used shall be of the grounding type as Thomas & Betts, Series 3110. Direct flexible metal conduit shall be suitable for manufactured by Thomas & Betts, bearing screw type fittings shall not conditions of use and location Series 3110 be used. Series 3110 Series 422 Series 390 Armoured Cable Fitting Insuliner Sleeve Anti Short Bushing & Flexible Metal Conduit w w w .tnb .c a B111 ® T&B Fittings Industrial Fittings Armoured Cable and Flexible Metal Conduit Fittings Specifications Application • R ugged all steel or malleable iron construction. • T o connect and effectively bond armoured cable or flexible metal conduit to • C EC Rule 18-152 (6) and Bonding a box or an enclosure Rule 18-074 (1)(a) Class I, Zone 2 Flexible connections at motor terminals Features and similar places • P rovided with a saddle designed to: CEC Rule J18-152 (6) and Bonding (1) Firmly secure conduit in place without Rule J18-072 (1)(a) Class I, Division 2 damaging cable armour (Mechanical Flexible connections at motor terminals holding power of angled wedge and similar places assembly increases with increased 3110 Series Standard Material/Finish strain.) Body: S teel or malleable iron/ (2) Provide high quality bond between Electro Zinc Plated and conduit or cable and are unaffected by Chromate Coated vibrations Saddle: Steel/Electro Zinc Plated (3) Centralize conduit or cable with and Chromate Coated respect to throat opening for conductors Screws: S teel/Electro Zinc Plated and Chromate Coated • I nsulated throat protects conductors during and after installation, reduces wire Insulator: T hermoplastic/ pull effort and prevents thread As Molded damage in handling Conformity • L ocknuts designed to provide effective UL 514B bond between fitting and box or enclosure, CSA C22.2 No. 18.3 will not vibrate loose NEMA FB-1 • D esigned with fewer screws — reduces installation time and cost Series Hub Size (in.) Conduit Size (in.) Cable Opening (in.) 3110 Series Straight Fittings 1/2 thru 5 NPS 3/8 thru 5 0.437 to 5.500 3130 Series 90° Fittings 1/2 thru 4 NPS 3/8 thru 4 0.437 to 4.560 (All hubs provided with straight pipe threads NPS) Locknut Saddle Typical Body Installation Box or Enclosure Wall Insulated Throat w w w .tnb .c a B112 ® T&B Fittings Industrial Fittings Armoured Cable and Flexible Metal Conduit Fittings ® B Tite-Bite Fittings — Nylon Insulated Cable Opening (in.) Dimensions (in.) Trade K.O. Cat. No. Size (in.) Size (in.) max. min. A B C A 3110-C* 0.656 0.437 3/8 1/2 1-7/16 1-5/16 7/16 3112 0.937 0.750 1/2 1/2 1-25/32 1-3/4 1-9/32 3115* 1.125 0.906 3/4 3/4 2 1-3/4 1-9/32 3117* 1.468 1.250 1 1 2-3/8 1-3/4 1-7/32 C 3118† 1.750 1.562 1-1/4 1-1/4 2-3/4 2 1-11/32 3119† 2.031 1.812 1-1/2 1-1/2 3-1/8 2-5/8 1-7/8 3120† 2.500 2.312 2 2 3-3/4 2-3/4 1-15/16 Steel or malleable iron 3121† 3.062 2.812 2-1/2 2-1/2 4-3/8 3-1/4 2-3/8 ® The tough lining of insulation and the Tite-Bite principles make 3122† 3.562 3.312 3 3 5 3-1/4 2-3/8 these fittings a “must” when conductors are subject to conditions 3123‡ 4.060 3.620 3-1/2 3-1/2 5-1/4 3-11/16 2-15/32 of vibration or strain 3124**† 4.560 4.120 4 4 5-3/4 3-25/32 2-1/2 5.500 4.600 5 5 6-7/8 4-27/32 3 3125** Material: Steel thru 3/4 in. trade size * UL Listed for armoured cable only † UL Listed for flexible metal conduit only ‡ CSA not applicable ** Not UL Listed or CSA Certified ® B Tite-Bite Fittings Cable Opening (in.) Dimensions (in.) Trade K.O. Cat. No. Size (in.) Size (in.) max. min. A B C 300-TBC* 0.656 0.437 3/8 1/2 7/16 1-5/16 7/16 A 302-C 0.937 0.750 1/2 1/2 1-7/64 1-11/16 3/4 304 1.093 0.906 3/4 3/4 1-7/32 1-11/16 29/32 306 1.468 1.250 1 1 1-1/8 1-3/4 1-1/4 308† 1.750 1.562 1-1/4 1-1/4 1-1/4 2-1/32 1-9/16 C 310† 2.031 1.812 1-1/2 1-1/2 1-3/4 2-9/16 1-13/16 312† 2.500 2.312 2 2 1-13/16 2-13/16 2-5/16 Steel or malleable iron 314† 3.062 2.812 2-1/2 2-1/2 2-1/4 3-1/8 2-13/16 Easy to install with double grip saddle. These fittings are completely 316† 3.562 3.312 3 3 2-1/4 3-3/16 3-5/16 salvageable. The 3/8 in. and 1/2 in. sizes are made of formed Material: Steel thru 3/4 in. trade size steel which produce a uniform high quality and a smooth throat * UL Listed for armoured cable only that protects conductor insulation. 3/4 in. and larger size are † UL Listed for flexible metal conduit only malleable iron w w w .tnb .c a B113 ® T&B Fittings Industrial Fittings Armoured Cable and Flexible Metal Conduit Fittings B ® Tite-Bite Fittings — 90° Angle Nylon Insulated Cable Opening (in.) Dimensions (in.) Trade K.O. Cat. No. Size (in.) Size (in.) A max. min. A B C 3130-C 0.563 0.437 3/8 1/2 1-11/32 1-19/32 5/32 3132 0.937 0.750 1/2 1/2 1-7/8 2-5/16 1-5/32 1.093 0.906 3/4 3/4 2 2-1/8 1-5/32 3135 3137 1.468 1.250 1 1 2-21/32 2-1/8 1/2 C 3138† 1.750 1.562 1-1/4 1-1/4 3-1/8 2-7/8 3/4 2.031 1.812 1-1/2 1-1/2 4-3/8 4 1-3/16 3139† 2.500 2.312 2 2 5-9/16 4-7/8 1 Steel or malleable iron. 3140† 3141† 3.062 2.812 2-1/2 2-1/2 5-25/32 6 21 ® Available with or without insulated throat, this Tite-Bite fitting line is by far the easiest and best to install when making sharp 3142† 3.562 3.312 3 3 6 7 1 bends at the enclosure or equipment. It has all of the advantages of 4.060 3.620 3-1/2 3-1/2 6 6-7/8 1-1/16 3143‡ the straight fitting with only one screw to tighten, except in the larger sizes where there are two. A peep hole on top provides for easy 3144-TB‡ 4.560 4.120 4 4 6-29/32 7-1/4 1-1/8 inspection of the ABC bushing. Narrow design makes it easy to install † UL Listed for flexible metal conduit only fittings in adjacent knockouts. ‡ Not UL Listed or CSA Certified B ® Tite-Bite Fittings — 90° Angle Cable Opening (in.) Dimensions (in.) Trade K.O. Cat. No. Size (in.) Size (in.) max. min. A B C A 321-C 0.656 0.437 3/8 1/2 1-11/32 1-1/2 3/8 323 0.937 0.750 1/2 1/2 1-7/8 2-3/8 1-7/32 325 1.093 0.906 3/4 3/4 2-1/8 2-1/8 3/4 326-TB 1.468 1.250 1 1 2-21/32 2-1/8 1 C 327-TB† 1.750 1.562 1-1/4 1-1/4 3-1/8 3-5/8 — 328† 2.031 1.812 1-1/2 1-1/2 4-1/8 4-1/8 — 329† 2.500 2.312 2 2 4-3/8 4-31/32 — The angle clip gives secure mechanical grip that tightens under 330-TB† 3.062 2.812 2-1/2 2-1/2 6-1/2 6 — tension or vibration. Throat is long enough to install in cast housing knockouts. The 3/8 in. and 1/2 in. sizes are of steel construction. 331† 3.562 3.312 3 3 5-25/32 7 — The 3/4 in. and larger sizes are malleable iron. † UL Listed for flexible metal conduit only w w w .tnb .c a B114 ® T&B Fittings Industrial Fittings Armoured Cable and Flexible Metal Conduit Fittings Squeeze Fittings B Cable Opening (in.) Dimensions (in.) Trade K.O. Cat. No. Size (in.) Size (in.) max. min. A B C 252 0.531 0.437 5/16 3/8 13/16 25/32 11/32 253-TB† 0.585 0.455 3/8 1/2 31/32 1-13/64 5/8 A 254-C† 0.938 0.812 1/2 1/2 1-7/32 1-3/8 13/32 255 1.094 0.938 3/4 3/4 1-1/4 1-17/32 7/16 256 1.375 1.250 1 1 1-19/32 1-5/8 1/2 C 257 1.656 1.500 1-1/4 1-1/4 1-7/8 1-23/32 17/32 258 1.875 1.688 1-1/2 1-1/2 2-1/4 1-7/16 9/16 259 2.500 2.313 2 2 2-31/32 2-5/8 11/16 T&B squeeze fittings will fit every size of armoured cable, leaded 249 3.062 2.812 2-1/2 2-1/2 3-5/16 2-11/16 3/4 cable and flexible conduit. Malleable iron or steel construction. Part No. 253-TB is steel. 277 3.563 3.312 3 3 3-13/16 2-7/8 3/4 † UL Listed for armoured cable only. Fitting material steel C Squeeze Fittings — 90° Angle Cable Opening (in.) Dimensions (in.) Trade K.O. Cat. No. B Size (in.) Size (in.) max. min. A B C 266-C 0.656 0.406 3/8 1/2 1-1/2 1-13/32 1-7/16 272† 0.812 0.688 3/8 1/2 1-9/16 1-7/8 1-9/16 268-C 0.937 0.813 1/2 1/2 1-11/16 1-13/16 1-7/8 279 1.000 0.875 3/4 3/4 1-13/16 2-1/16 1-13/16 A 270 1.125 1.000 3/4 3/4 1-7/8 1-3/4 1-13/16 273-TB 1.406 1.187 1 1 2-3/8 2-7/32 2-7/16 3/8 in. and 1/2 in. sizes made in steel. Cap lifts off by simply 274‡ 1.656 1.375 1-1/4 1-1/4 3 2-9/16 2-7/8 loosening screws part way. Only two screws to tighten. 3/4 in. size and larger made of malleable iron. 275‡ 1.875 1.625 1-1/2 1-1/2 3-7/32 3-1/16 4-1/8 276‡ 2.500 2.125 2 2 4-5/8 3-5/8 4-7/8 † UL Listed for armoured cable only ‡ UL Listed for flexible metal conduit only C Squeeze Fittings — 45° Angle Cable Opening (in.) Dimensions (in.) Trade K.O. Cat. No. Size (in.) Size (in.) B max. min. A B C 265 0.656 0.406 3/8 1/2 1-7/16 1-5/32 1-1/8 267 0.937 0.813 1/2 1/2 1-3/16 1/2 1-1/4 A 269 1.125 1.000 3/4 3/4 1-7/8 17/32 1-9/16 3/8 in. and 1/2 in. sizes made in steel. Cap lifts off by simply loosening screws part way w w w .tnb .c a B115 ® T&B Fittings Industrial Fittings Armoured Cable and Flexible Metal Conduit Fittings Two-Screw Fittings C Cable Opening (in.) Dimensions (in.) Trade K.O. Cat. No. Size (in.) Size (in.) max. min. A B C 3301-C* 0.656 0.250 3/8 1/2 5/8 1-5/16 1-3/16 3312-C 0.937 0.500 1/2 1/2 5/8 1-5/16 1-3/16 * UL Listed for armoured cable only. B A Formed steel body with carefully round bushing. The armour gripping saddle stays open by itself when cable is being inserted. Duplex Clamp Fitting A Dimensions (in.) K.O. Cat. No. Size (in.) A B 291-C 1/2 1-13/32 1-11/16 UL Listed as grounding means under NEC 350-5. Malleable iron. For nonmetallic and armoured cable. A Adaptor — EMT to Flex Dimensions (in.) K.O. Cat. No. C Size (in.) A B C 1/2 - 1/2 1-21/32 1-3/16 1-7/8 503-TB 3/4 - 3/4 1-25/32 1-7/16 2-1/8 504 1 - 1 2-1/32 2-1/16 2-5/8 505-TB B ® Tite-Bite fitting design holds flexible metal cable firmly in place with a single screw rather than two screws. w w w .tnb .c a B116 B ® T&B Fittings Industrial Fittings Armoured Cable and Flexible Metal Conduit Fittings Anti-Short Bushing Cat. No. Size 390 14-2, 14-3, 12-2 391 14-4, 12-3, 6-1, and 4-1 392 12-4, 10-2, 10-3 and 2-1 393 10-4, 8-2, 8-3, and 1-1 394 8-4, 6-2, 6-3, 4-2, 4-3, and 6-4 Colourized Anti-short bushings are made of smooth plastic, and designed to Temperature Rating: 240°F protect conductor insulation from rough edges of armoured cable UL not applicable and flexible metal conduit Strap Cat. No. Bolt Hole Dia. (in.) Size (in.) 65C 0.265 3/8 Flex w w w .tnb .c a B117