Attributes . Covers are UL Listed when used on Contender bodies; Ground screw installed in bodies for ground continuity; Corrosion resistant stainless steel hex head captive screws hold covers to body; Factory sealed enclosure eliminates need for adding sealing fittings and compound at each conduit entrance; Stainless steel push button shaft operates within stainless steel bushing assuring long, maintenance free operation; Smooth, rounded integral bushing in each hub protects conductor insulation; Push button and selector switch contacts are silver cadmium oxide which are sealed in lower phenolic chamber isolated from corrosive elements . Names