Heavy Duty & WeatherproofThe 20 AMP transfer switch box is constructed of steel with rugged, antirust coating which can effectively resist rain, UV and other elements. It also features a rubber cap to prevent moisture and dust from entering the inlet when not in use.
Indoor & Outdoor UseSuitable for transferring generator or battery power to furnace, heating systems, lights, convenience outlets, refrigerators, and other household appliances. Keep them always powered during power outage.