NEMA 5-15P to L14-30R Plug Adapter, 1 Foot, 15A/125V, 14 AWG - Iron Box # IBX-5185-01 NEMA 5-15P Plug to L14-30R Connector 1 Foot Length (Inquire about custom lengths) 14/3 AWG, SJOOW Jacket (4-Wire utilizes both hot legs on L14-30R) Rated for 15 Amps, 125V Wired to energize both sides of an auto transfer switch