Plug Alive Automatic Block Heater Test Plug

Buy Plug Alive Automatic Block Heater Test Plugfrom Michaels.ca

Simply plug PLUG ALIVE into an electrical outlet: Green LED indicates the electrical outlet has POWER . Red LED indicates equipment is RECEIVING Power. Always knowing your Power is In-Use to all your equipment, Will test and continuously monitor the operation of:Sump Pumps, Generators, Compressors, lights, All vehicle block heaters, Oil pans and Heavy duty equipment, Battery warmers, extension cords, heater tapes, All electric tools, blankets, appliances and more.