Generac RTG16EZA1 Automatic Transfer Switch 16-Circuit 100-Amp Load Center, Rated NEMA 1 CUL Automatic transfer switch has 16-circuit 100-amp load center NEMA 1 CUL rated steel enclosure 30-foot prewired conduit for connecting the transfer switch to the external connection box Switches are housed in a steel NEMA 1 enclosure Comes with a 2-year limited warranty