FeaturesFor U-LineĀ® Contenderā¢ 20 A receptacles, tumbler switches, EDS/EFS series 4C control stationsFinish is epoxy powder coat for enhanced corrosion resistanceLarge backbox for ample wiring roomGround screw installed in bodies for ground continuityCorrosion resistant stainless steel hex head captive screws hold covers to bodyFactory sealed enclosure eliminates need for adding sealing fittings and compound at each conduit entranceAccurately tapped, tapered hubs for tight rigid joints and ground continuity