Ключевые слова: box, cable, cables, cement, closeup, concrete, connection, connector, control, current, danger, device, electric, electrical, electrical background, electricity, electronic, energy, equipment, ground, household, industrial, industry, interior, isolated, machine, metal, outdoor, outdoors, outlet, plastic, plate, plug, power, power supply, receptacle, safe, safety, socket, station, street, supply, switch, system, technology, travel, urban, voltage, wall, wire,