Ключевые слова: box, cable, caps, circuit, close up, closed, closeup, conduit, connection, copper, diagram, electric, electric grid, electric light, electrical, electrical wires, electrical wiring, electrician, electricity, electricity grid, end, energy, equipment, extend, extension, grid, home, house, household, install, installation, line, no people, nobody, plastic, power, power grid, power supply, service, services, surface, system, voltage, wall, wire, wires, wiring, work, working,