- 4 in. square x 1-1/2 in. deep
- Drawn steel construction
- Eight 1/2 in. and four 3/4 in. KO's
- 22.5 cu. in. capacity
- Combination Phillips/slotted screw heads
RACO extension ring, drawn, 12 knockouts, (8) 1/2 in Conduit side, (4) 3/4 in
Conduit side knockout, 4 in length, 4 in width, 1-1/2 in depth, square shape,
surface mounting, 22.5 cu-in capacity, steel, Gray, galvanized, UL E195978.
RACO 4 inch square x 1-1/2-inch deep, drawn, extension ring to attach to a
switchbox. Each side has two 1/2 in. And one 3/4-inch knockout. The ring
provides additional cubic capacity, and a means for connecting surface mounted
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