Product details:

For use with any portable generator that has up to 30-Amp output NEMA L1430. Double throw rocker switches absolutely eliminate the possibility of power back feeding to the utility line or to your generator when power is restored. 2 Pole circuits allows 240-Volt circuits - perfect for well or sump pump applications if a two pole circuit is not needed the tie bar can be removed to allow for two single pole circuits. Can be installed indoor or outdoor - easily wires up to a NEMA 3R rainproof power inlet box included. Transfer Switch is compatible with all load centers and specifically approved with Challenger Cutler Hammer GE home line Siemens square D and Westinghouse load centers. Also includes a 10 ft. 30-Amp power cord set and an optional male 20-Amp cord end for use with a 20-Amp output generator.