Heavy duty grade receptacles are designed and built for heavier use and feature enhanced ground contacts
The face and back body are made of a durable impact-resistant thermoplastic material which is also chemical-resistant
Terminal screws are backed out and ready to wire
Side-wire terminals accept up to #10 AWG solid-wire
Screw-catch feature on duplex devices speeds mounting of wall plates
Extra long and extra wide mounting straps
Features safety shutter system that prevents the insertion of foreign objects into the receptacle openings
The safety shutters will only open when a two-bladed plug presses simultaneously against two shutters
Features automatic grounding system that eliminates the need for bonding jumper in grounded metal enclosure and provides a redundant measure of ground continuity where a jumper is used