As the leader in portable standby power integration, Reliance Controls Corporation has contributed more innovations than any other single manufacturer and has been awarded over 85 patents on manual transfer switches, time switches and accessories. And after over a century of innovation, Reliance Controls Corporation has built an enviable reputation for high quality, superior engineering and exceptional customer service. This adapter cord lets you connect inverter generator 120 volt, 30 amp outlets to 120/240 volt 30 amp generator cords.