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4x2 Inch Utility Size Single Gang Electrical Box, Handy Box, Ten 1/2 Inch Knockouts, Raised Ground, 13 Cu. in. Capacity, 1-7/8" Deep, Galvanized Steel, Drawn Construction, Outlet Box, - Amazon.com
1 Pc, 2-1/8 In. Deep, Three Gang Multi Device Switch Box, .0625 Galvanized Steel, (4) 1/2 In. & (6) 1/2-3/4 In. Side Knockouts; (2) 1/2 & (2) 3/4 In. Bottom Knockouts - Amazon.com
11 Types of Electrical Boxes and How to Choose One
RACO Gray Metal New Work Deep Handy Wall Electrical Box at Lowes.com
RACO 2-Gang Gray Metal New Work Standard Handy Ceiling/Wall Electrical Box in the Electrical Boxes department at Lowes.com
Handy Box, Material:Steel, Welded, Size:2-1/8" x 4", 2-1/8" Deep, | Crescent Electric Supply Company