【15 Amp Flanged Inlet】: No oxidation for the Nickel coated copper pole on the plug, made of premium copper and Nylon plastic to avoid the damage of UV degradation and chemicals, rugged and durable for indoor and outdoor. 【Easy Reliable Installation】: 2" Hole size required, clear see-thru wiring block (Black-Hot, Green-Ground, Silver-Neutral), and 4 long Stainless Steel screws will fix straight blade flanged inlet on the hole or wall more tightly. No gap on the edge!.
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