Hubbell Electrical Products Cast Device Box SWB-4

FEED-THROUGH TYPE CAST COPPER-FREE ALUMINUM ALLOY MATERIAL 3 INCH 5-7/8 INCH 2-1/4 INCH SHALLOW SHAPE 1/2 INCH HUB SIZE 2 HUB(S) 1 GANG(S) UL, CSA APPROVAL (2) LUG MOUNTING HARDWARE (1) EACH END HUB LOCATION ENCLOSURE RATING CLASS I DIV 1 AND 2 GROUPS C D, CLASS L ZONE 1 AND 2 GROUPS LLB IIA, CLASS II DIV 1 AND 2 GROUPS E F G, CLASS ILL APPLICATION PETROLEUM REFINERIES, CHEMICAL AND PETROCHEMICAL PLANTS SWB MODEL