The automatic opener is bolted into the gate and put up, and then connected to possibly a buried one hundred twenty-volt electrical cable or photovoltaic photo voltaic panel. AutoGate Northern Ireland www.ElectricGatesNewry.com 07855-781433 02830-886666 Contact Adrian for help, advice or information on Electric Gate Installation or Electric Gate Repairs https://howardz484zrw0.blogdanica.com/profile