Generac 16 Circuit Pre-Wired Transfer Switch and Load Center Model# RTG16EZA1Generac 16 Circuit Pre Wired Transfer Switch and Load Center, 100 amps, 120 240, 1, NEMA 1 Model# RTG16EZA1 Generac pre wired switches are designed to operate with 17kW, air cooled generators. This 100 amp transfer switch has an integrated load center for picking up the emergency circuits. It is especially useful where the main service is large and only a portion of the building load will be served by the generators. It has a built in 16 circuit load