Sigma Electric 14321 2-Gang 20-50 Amp Outlet Cover, Gray Provides weatherproof protection for an outdoor 20/50 Amp receptacle. For one 2. 125-inch diameter outlet mounted in a 2-gang weatherproof box Features a self-closing lid to prevent moisture penetration when receptacle is not in use Die-cast construction and powder coated for corrosion resistance Product is UL and CSA listed and suitable for wet locations when the cover is closed