Concentric Knockouts
Outlet Boxes,Cvrs & Bar Hgrs


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Part #:CUTTP443

SQUARE BOX EXTENSION RING TYPE STEEL MATERIAL 4 INCH 4 INCH 2-1/8 INCH UL 514A/514B/514C APPROVAL 25 STANDARD PACKAGE 30.3 CU INCH CAPACITY (8) 1/2 INCH SIDE, (4) 3/4 INCH SIDE KNOCKOUT SIZE 12 KNOCKOUT(S) APPLICABLE STANDARD FEDERAL SPECIFICATION W-J-800E, NEMA OS-1
$ 8.22
Part #:CUTTP550

SQUARE BOX EXTENSION RING TYPE STEEL MATERIAL 4-11/16 INCH 4-11/16 INCH 1-1/2 INCH UL APPROVAL 25 STANDARD PACKAGE 29.5 CU INCH CAPACITY (8) 1/2 INCH CONDUIT SIDE, (4) 3/4 INCH CONDUIT SIDE KNOCKOUT SIZE 12 KNOCKOUT(S)
$ 7.05
 
Displaying: 1 - 3 of 3 Matching Items