T&B Conduit Fittings

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T&B Conduit FittingsRigid and Intermediate Metal Conduit FittingsInsulating BushingTRIB50 Series(For Threadless Rigid Conduit and Intermediate Metal Conduit)Application• When assembled to the end of athreadless conduit, provides a wellrounded insulating surface overwhich conductors may be pulledor on which conductors may bearwhile in service.Standard MaterialHigh impact thermoplastic listed for105°C (221°F) application.Flammability Classification 94V-1.Standard FinishAs molded.1. Cut conduit end squarely. Remove sharp edgesand burrs on inside and outside diameters byreaming or filing.2. Slip the pop-on bushing over the end of theconduit.Features• Designed to be popped onto, andbush, conduit end.• Fast easy installation without screws.• High impact thermoplasticconstruction.Range1/2” through 4” conduitConformityU.L. 514ANSI C80.4, ANSI C33.84NFPA 70-1978 (ANSI)3. Using the flat surface of any standard utility toolsuch as an electricians pliers (or a hammer witha block of wood, for the larger sizes), strike thebushing on its top surface using a series of lightblows until the end of the conduit rests againstthe bushing throat and conduit stop.Insulated Metallic BushingDimensions (in.)Cat. No. Size A B CTRIB-50 1/2” 19/32 1-9/32 1-1/16TRIB-75 3/4” 25/32 1-25/64 1-1/4TRIB-100 1” 1 1-1/2 1-9/16TRIB-125 1-1/4” 1-5/16 1-5/8 1-59/64TRIB-150 1-1/2” 1-17/32 1-21/32 2-11/64TRIB-200 2” 1-31/32 1-13/16 2-11/16TRIB-250 2-1/2” 2-23/64 2 3-1/4TRIB-300 3” 2-59/64 2-7/32 3-29/32TRIB-350 3-1/2” 3-3/8 2-5/16 4-29/64TRIB-400 4” 3-27/32 2-13/32 5I.M.C. sizes 1/2” thru 4”U.L. Rated flame retardant 94V-1.ABC18
T&B Conduit FittingsRigid and Intermediate Metal Conduit FittingsKnockout Bushings3210 SeriesApplication• To bush knockout openings in metalboxes or enclosures.Features• One piece construction designedto snap in place.• High impact strength selfextinguishing nondripping (per U.L.94) thermoplastic construction.Standard MaterialThermoplastic rated for 105°C (221°F)application.Standard FinishAs molded.Range• .875” through 2.469” nominal diameterknockout opening (1/2” through 2”trade size knockouts).• Wall thickness of box or enclosure.095” max. up to 1” trade size..140” max. 1-1/4” through 2” trade size.ConformityU.L. 514CSA C22.2 No. 18ANSI C33.84NFPA 70-1978 (ANSI)Knockout BushingFor useWallTrade in KO* ThicknessCat. No. Size +.032/-.016 A B of Elec. Box C D3210 1/2” .875 1.000 .725 .095 MAX .360 .1803211 3/4” 1.109 1.215 .940 .095 MAX .360 .1803212 1” 1.375 1.500 1.200 .095 MAX .360 .1803213 1-1/4” 1.734 1.865 1.550 .140 MAx .400 .2103214 1-1/2” 1.984 2.240 1.760 .140 MAX .530 .3103215 2” 2.469 2.740 2.245 .140 MAx .530 .310One-piece knockout bushing quickly snaps intooutlet box, switch box, or other enclosure leftvacant by wiring modifications or maintenancechanges. Provides smooth, rounded insulationsurface for easy wire pulling. Easily installed byhand, they are available to fit 1/2” through 2”knockouts. U.L. Listed 105°C. High impactthermoplastic.* Per U.L. and NEMA standards.Material: ThermoplasticFlammability classification of 94V-1 Per UL 94Service temperature: -40°C to 105°C.19
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Page 60 and 61: T&B Conduit FittingsFlexible Cord a
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T&B Conduit FittingsFlexible Cord a
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T&B Conduit FittingsPortable Cord a
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T&B Conduit FittingsPortable Cord a
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T&B Conduit FittingsService Entranc
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T&B Conduit FittingsService Entranc
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T&B Conduit FittingsLiquidtight Fle
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T&B Conduit FittingsArmoured Cable
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T&B Conduit FittingsNonmetallic She
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Type LTT&B Conduit FittingsLiquatit
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T&B Conduit FittingsLiquatite ® Fl
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Type CEA—Non-Halogen, Low Smoke,
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Type ZHLA—Non-Halogen, Low Smoke,
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Corrlok ® System—Type CLFR, Low
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Flexible Metal Conduit (Extract fro
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T&B Conduit FittingsConduit—Chemi
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T&B Conduit FittingsConduit—Chemi
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Alphanumeric IndexCatalogue Page Ca
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T&B Conduit Fittings

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