A four-inch by four-inch by two-and-one-eighth-inch deep junction box with a single-gang mudring is mounted to a flammable storage cabinet and finished with a stainless steel coverplate. A grounding lug on the flammable storage cabinet connects via a number six American Wire Gauge copper wire to building steel. The grounding conductor extends further to connect to building steel at levels two, three, and four, and connects to ground buses in electrical rooms in the basement and level one.
4"X4"X2-1/8" DEEP JUNCTION BOX WITH SINGLE GANG MUDRING GROUNDING LUG ON FLAMMABLE STORAGE CABINET. #6 AWG COPPER WIRED CONNECTED TO BUILDING STEEL CONNECT TO BUILDING STEEL AT LEVELS 2, 3, &4. CONNECT TO GROUND BUSES IN ELECTRICAL ROOMS IN BASEMENT AND LEVEL 1. STAINLESS STEEL COVERPLATE
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