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The Orbit 4RB-50 is a 4-inch diameter, 1-1/2-inch deep welded octagon steel electrical box (MPN 4RB-50). Constructed from 16 gauge galvanized sheet steel, it provides 15.5 cubic inches of capacity and features four 1/2-inch side knockouts and five 1/2-inch bottom knockouts (nine total). UL 514A listed for Canada and the US and RoHS compliant, it is intended for mounting lighting fixtures and electrical devices and supports fixtures up to 50 lb.
4 in octagon steel box, 15.5 cu in, nine 1/2 in knockouts, UL 514A listed, sold in 50-pack
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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