Energized receptacle contacts deeply recessed to reduce danger of accidental touching|Style 2 (shell and extra pole) grounding|Spring door keeps dust out of receptacle when plug is not in use, screw cap also supplied|Brass contacts exert constant pressure along entire contact surface and provide superior electrical contact|Contacts have beryllium copper wire springs|Plug mechanical cable clamps prevent strain on cables they meet or exceed UL strain relief pull-out requirements|Neoprene bushing compressed by cable collar prevents entrance of water|Insulators provide superior dielectric and mechanical strength and lowest arc tracking|1-1/2 in NPT tapped conduit openings, one top two bottom|EBRH interlocked disconnect switch provides safe connect and disconnect operation at 30, 60 or 100 A, 600 VAC maximum, two or three pole, non-fused motor circuit switch|EBRH permits safe operation in Class I, Group B as well as Class I, Groups C and D, Class II, Groups F, G, and Class III|To operate, insert plug and turn breaker handle to "ON" position, to remove plug, turn Handle to "OFF" position, lift Plug Release Knob and pull plug out|ACP and CPH plug fits Powertite series hazardous location EBRH receptacles