405TB ABB

T&B Fittings Industrial Fittings Rigid and Intermediate Metal Conduit Fittings Locknuts Cat. No. Dimensions (in.) Size (in.) Stl. or M.I. Alum. SST A B 1/4 27/32 5/32 139* 3/8 15/16 5/32 140* 1/2 1-7/64 5/32 141** 141AL 141SST 3/4 1-3/8 3/16 142-TB** 142AL 142SST A (B) Thickness 1 1-11/16 13/64 143 143AL 143SST 1-1/4 2-5/32 13/64 144 144AL 144SST 1-1/2 2-1/2 13/64 145 145AL 145SST 2 3 7/32 146-TB 146AL 146SST 2-1/2 3-9/16 13/32 147 147AL 3 4-3/16 13/32 148 148AL Steel or malleable iron (steel thru 2 in.) 3-1/2 4-13/16 15/32 149 149AL or Aluminum 624 4 5-5/16 15/32 150 150AL Many of the T&B standard conduit and cable fittings are furnished with case hardened locknuts. This exclusive feature means the locknut tightens up against 4-1/2 5-15/16 17/32 151 151AL the box without deforming the locknut bites into the box providing a positive 5 6 -1/2 17/32 152 152AL ground the fitting can be tightened from outside the box 6 7-3/4 17/32 153 153AL * Hex shape ** Case hardened locknuts Aluminum locknuts comply with federal standard of copper-free aluminum less than 0.4% copper For Dura-Plate finish, add prefix 040- to Cat. No. Consult your Regional Sales Office for details Not UL or CSA certified Bonding Locknuts Dimensions (in.) Cat. No. Size (in.) Screw Size (in.) (B) Thickness A A B 1/2 1-3/8 0.125 106 3/4 1-5/8 0.140 107 1 1-15/16 0.170 108 8-32 x 7/16 1-1/4 2-5/32 0.170 109 Steel or malleable iron (steel thru 2 in.) 1-1/2 2-1/2 0.170 110-TB Use anywhere an ordinary locknut is installed to ensure positive bonding of 2 3 0.187 111 conduit to box and prevent loosening due to vibration. Also can be used for 2-1/2 3-13/32 0.375 112-TB Service Entrance applications in conformance with Code. T&B rigid conduit and EMT (thinwall) fittings comply with Federal Specification WF 408c. 3 4-13/16 0.375 113-TB 1/4-20 x 5/8 3-1/2 4-29/32 0.438 114 4 5-7/16 0.438 115-TB For Dura-Plate finish, add prefix 040- to Cat. No. Consult your Regional Sales Office for details Steel finish: zinc plated Fittings Dimensions (in.) A Cat. No. Size (in.) A B C 141SL 1/2 1.140 1/8 1/4 142SL 3/4 1.420 5/32 9/32 143SL 1 1.770 11/64 9/32 144SL 1-1/4 2.281 11/64 5/16 B 145SL 1-1/2 2.598 11/64 9/32 C 2 3.175 3/16 19/64 146SL Steel finish: zinc plated Molded Santprene Seal / Colour: Blue Provides positive seal against water and oil. For use with rigid and intermediate metal conduits, or fittings to provide watertight or raintight seal at all enclosures. NPS threads.. w w w .tnb .c a B9 T&B Fittings Industrial Fittings Rigid and Intermediate Metal Conduit Fittings Sealing Rings with Stainless Steel Retainer Dimensions (in.) Cat. No. Conduit Size (in.) A B1/64 5302 1/2 1-11/64 3/4 A B 5303 3/4 1-1/2 15/16 5304 1 1-3/4 1-11/64 5305 1-1/4 2-9/64 1-1/2 5306 1-1/2 2-27/64 1-3/4 5307 2 2-59/64 2-15/64 Sealing Ring-Santoprene Thermoplastic Rubber 531008 2-1/2 3-7/16 2-43/64 These sealing rings provide a liquid tight, dust tight, seal of fitting at 5309 3 4-5/64 3-19/64 enclosures 5311 4 5-9/32 4-19/64 NEMA 3R, 4, 6 and 13 Bonding and Grounding Wedges Application Standard Material/Finish To effectively bond terminating fitting or 1/2 in. size conduit to a box or enclosure Steel/Electro-zinc Plated Features 3/4 in. thru 6 in. size Series 3650 S izes 3/4 in. thru 6 in. equipped with an Bronze/TiPlated additional bonding screw to install Range bonding jumper where required 1/2 in. thru 6 in. conduit C an be added to an existing installation Conformity without disconnecting conductors UL 467 C.S.A. C22.2 No. 41 NFPA70-2008 (ANSI) Federal Specification A-A-50552 Series 3651 Especially suited for grounding old work, but equally Bonding and Grounding convenient for new, grounding wedges provide ground- Wedges ing without a jumper except in concentric knockouts. When a jumper is required, it fits under a set screw in the grounding wedge. Cat. No. Size (in.) 3650 1/2 Update existing installations to meet code require- 3651 3/4 ments for bonding (CEC Section 10-806) without 3652 1 disconnecting wiring. Use on new wiring also. 3653 1-1/4 1. Loosen bushing and position wedge 3654 1-1/2 2. Tighten bushing and bonding screw 3655 2 3656 2-1/2 3657 3 3658 3-1/2 3659 4 3661 5 3662 6 w w w .tnb .c a B10