Ключевые слова: blue, cable, caution, circuit, conductor, connection, current, distribution, efficiency, electric, electrical, electricity, energetic, energy, equipment, fuse, generation, grid, grounding, infrastructure, insulating, insulation, insulator, junction, line, load, maintenance, meter, metering, network, outdoor, overhead, pole, power, powerful, powerlines, renewable, safety, simple, sky, socket, substation, sweden, switch, system, transformer, transmission, utility, volt, voltage, wire, wiring, wood,