Ключевые слова: apartment, cable, circuit, connecting, connection, construction, corrugated tube, current, device, distribution, electric, electrical, electrician, electricity, energy, extension, high, home, house, improvement, indoor, industrial, industry, installation, instrument, interior, overhaul, power, protection, reconstruction, rehabilitate, remodel, remodeling, renovation, restoration, rework, room, safety, scaffold, scaffolding, switch, system, technological hole, tools, upgrading, voltage, wall, wire, work, worker,