GUA series Condulet® Conduit outlet Box with cover. Neoprene "O" ring standard to meet NEMA 4 requirements. Cast ears on cover to permit easy removal and tightening. Four standard mounting pads except for boxes with bottom hubs. Threaded cover openings. Ten different hub arrangements. Taper threaded hubs to provide grounding continuity. Smooth integral hub bushing protects conductor insulation when pulling. Surface covers furnished with boxes. Sealing covers, dome covers and fixture hanger covers are available. Cover threads are 12 pitch standard, 16 pitch on select aluminum shapes and sizes. NEC/CEC: Class I, Division 1 and 2, Groups B*, C, D, Class II, Division 1, Groups E, F, G, Class II, Division 2, Groups F, G, Class III, UL Standard: 1203, ANSI Standard: C33.27, CSA Standard: C22.2 No. 30, NEMA/EEMAC 3, 4 compliance. Feraloy iron alloy body. Copper-free aluminum cover.