The automatic opener is bolted on the gate and article, and after that connected to possibly a buried 120-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 Electric Gate https://electric-gate-motor-repai70123.suomiblog.com/are-you-looking-automated-gates-northern-ireland-why-not-adrian-on-07855-781433-for-help-and-advice-with-electric-gate-repairs-or-installation-43549510