"I use this to to power my portable EVSE. (With a 32 amp adjustable EV Car charging cable) I recently got a (electric Genesis) GV60 and picked up the power joiner to hold me over until the electrician could install a 14-50r. Now I keep it in the car in case I need to charge while at my girlfriends or visiting friends or family. Product works great once you find a matching pair of sockets. I've used it on 15 and 20 amp circuits and have had no issues." Regards, Lawrence Inv 99128 Clifton NJ 07013