Pass & Seymour Turnlok ; 2-Pole 3-Wire Locking plug in black/white color is made of nylon 6/6 to offer superior impact and corrosion resistance. It features blade brass material alloy with connector contacts that provides high conductivity. Plug has new design external cord grips provides security and proper cord retention. It comes with double dovetail design that provides high protection against the cord pullout forces. It has raised ribs to offer an additional grip for turning lock/unlock. Plug has visible stamped NEMA configuration with device rating.Plug has rounded back contour to reduce snags and inhibition. Scallop shell design to offer non-slip gripping surface for the plug insertion and withdrawal. It has a voltage rating of 125 VAC. Plug has quick-thread assembly screw and cord-grip screw that provides backed-out/ready-to-wire. It measures 1.516 Inch top diameter x 2.617 Inch.Plug features integral flexible rubber cord that seals around "SO" cord to provide protection from oils/water and chips entering to the wiring chamber. It has hinged cord grip that eliminates loose parts. It is suitable for industrial applications. Plug has a current rating of 15 Amps. It accommodates wire size of 4 AWG. Plug is UL/CSA/NEMA certified. Also known as -Pass & Seymour PSL515-P Turnlok Locking Plug 15 Amp 125 Volt AC 2-Pole 3-