Large housing provides ample wiring room|Style 2 (shell and extra pole) grounding|Spring door keeps dust out of receptacle when plug is not in use|Brass contacts exert constant pressure along entire contact surface and provide superior electrical contact|Contacts have beryllium copper wire springs|Insulators provide superior dielectric and mechanical strength and lowest arc tracking|Interlocked disconnect switch provides safe connect and disconnect operation at 30, 60 or 100 A, 600 VAC maximum, three pole, non-fused motor circuit switch|FSQC permits safe operation in class 1, group B as well as class 1, groups C and D, class II, groups F, G and class III|To operate, insert plug and turn receptacle face to ON position|To remove plug, turn to OFF position and pull plug out|ACP Powertite series plug fits hazardous location FSQC receptacles|Both flip and screw covers are provided|Tapped NPT conduit openings at top and bottom: 100 A 2 in|Receptacle insulator and contacts are not serviceable|2 to 1/0 AWG wire