Voltec 12-00239B Professional Grade 30-Amp L14-30P Straight Blade Plug, 125/250 Volt Super tough nylon resist damage from severe impact abrasion, and chemical attack Solid brass blades are fitted and securely in place, captive terminal screws speed install, speed drive screws for faster assembly Deep funneled wire wells, guide conductors into termination position Ergonomic fluted body design with radial grip ridge is ideal for gripping, pulling, turning UL Listed, CSA Certified, NOM Certified