20A, 125V, Brown, 2 Pole, 3 Wire Grounding, Heavy Duty Duplex Outlet, NEMA 5-20r, UL, CSA, Superior Blade Retention Prevents Plugs From Falling Out, Side Wire Termination Accepts #14 Through #12 Awg Stranded & Solid Copper Wire, Unbreakable Face & Back Body Prevents Devices Breakage, Commercial/Specification Grade, Window Box.