Quality: Proven High-Quality build over years of testing, customer records and reviews the impact resistant, thermoplastic body protects the black dyer outlet from wear Features: 14-30r, UL and CUL Listed (for US and Canada), Residential and Commercial Grade, Straight Blade, Grounding, Corrosion resistance Specifications: 30 Amp, 125/250 Volt, Environmental UL94 Flammability, V2 Rating Wiring: 4 wire grounding (Hot, Hot, Neutral, Ground), Only accepts 10, 8, 6, and 4 gauge (AWG) Copper wire Installation: Fits in 2-Gang box styles, terminals marked for identification, all hardware included. Compatible with "Enerlites 7771 and 7772 Wall Plate". 1-year warranty.