Welded ConstructionFor use with conduits1/2-Inch and 3/4-Inch eccentric knockoutsProtects device from damageUL listed
Thomas & Betts 521711/23/4E-30 4" Square Box With Knock OutsThomas & Betts 521711/23/4E-30 4" Square Box With Knock Outs Features:Two 1/2" each side conduit knockoutsTwo 1/2" each end cable knockoutsThree 1/2" bottom conduit knockoutsSteel30.3 cubic inch capacity2-1/2" deep4" square box
Brand: Thomas & Betts, Model: 52171 1/2&3/4E, Color: Metallic, Size: Pack of 1