Carlon 4-Gang 60 cu. in. PVC New Work Electrical Switch and Outlet Box B455AR-UPC - The Home Depot
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4-Gang Box, Welded, 2-1/2 in. Deep, Eight 3/4 & 1 in. Concentric KO's, Six 1/2 in. KO's, and Eight 3/4 in. KO's | 943 | Raco
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2104LLEU4 VISTA ELECTRICAL PRODUCTS 4 GANG ELECTRICAL BOX WITH CLAMPS
Hubbell-Raco 953 (4) Gang 1-5/8-Inch Deep Welded Gang Electrical Box with (16) Concentric 1/2-Inch and 3/4-Inch Knockouts : Amazon.ca: Tools & Home Improvement