Grainger supplies you with weatherproof electrical covers for receptacles and boxes. Each is designed to prevent the infiltration of elements like water and rain into your sockets. Use them to create a new outdoor outlet in a residential home or building to power up lights, signs and equipment. If you're looking for an outlet cover for a floor outlet or another indoor receptacle, you'll find them here, too. This weatherproof electrical equipment is designed to withstand inclement weather and extreme conditions.