Electric switching devices, namely, an electric switching device mounted between an electric meter base and an electricity meter for connecting a building's electrical power distribution system to a selected one of a utility electric power grid or an alternate electric power source

Automatic transfer switches (ATS), namely a transfer switch that electrically couples an electric meter base to a utility electric power meter and that automatically disconnects the electric meter base from a utility grid when utility power is lost and that connects on an off-grid inverter to the meter base during an outage

photovoltaic cables

solar energy powered system, comprised of photovoltaic panels, charge and load controllers, inverters, batteries, and light kits for generating electricity for various equipment