This 30A 2-way switcher, the 30amp Twist-Lock Dryer Buddy Plus AUTO, comes with a customizable power input cable, supporting NEMA 10-30, L6-30, L14-30, L6-20, L14-20, L5-30, and L5-20 outlets for versatile use. Power Input: NEMA 10-30 (30amp, 240v, 3-prong) or NEMA 14-30 (30amp, 240v, 4-prong) Primary Outlet (Dryer): NEMA L6-30, L14-30, L6-20, L14-20, L5-30, or L5-20 Twist-Lock Secondary Outlet (EV): NEMA L6-30, L14-30, L6-20, L14-20, L5-30, or L5-20 Twist-Lock Terminal Twist-lock Brand Name BBS (BESA Electronics) Circuit Type 2-way Manufacturer BBS (BESA Electronics) Material Type Brass, Copper Mounting Type Surface Mount Connector Type Nema Operation Mode ON-OFF-ON