Appleton Electric Explosionproof Closure Plug PLG-250

THREADED TYPE ASTM A47-77 32510 MALLEABLE IRON MATERIAL ZINC ELECTROPLATED DICHROMATE EPOXY POWDER COATED FINISH IMC/RIGID CONDUIT USED ON UL APPROVAL 2-1/2 INCH TRADE SIZE RECESSED HEAD STYLE UNILET[R] BRAND APPLICABLE STANDARD NEC 501-4A/501-4B CLASS I GROUP B/C/D, CLASS II GROUP E/F/G, CLASS III CLASS I GROUP B C D, CLASS II GROUP E F G, CLASS III TYPE PLG MODEL