Industrial grade High impact-resistant thermoplastic housings with easy-grip grooves Plated steel assembly screws are speed-threaded and captive, reducing installation time Solid brass plug blades are firmly embedded in body Terminals in individual chambers to positively insulate conductors Clearly marked rating, NEMA configuration and standard compliances (third-party listing) on face of device Color-coded clamps identify amperage: blue=15 amp Terminal screws backed out; ready for wiring Combination slot/Phillips head terminal, assembly, and clamping screws ease installation with power screwdrivers Meets all 498 requirements Federal Specifications 15 amp, 125 volt UL Listed NEMA 5-15. .25 in. - .69 in. cord diameter