Ключевые слова: ac, alternating current, black, cable, concept, connect, connection, connector, cord, current, danger, electric, electricity, energy, energy consumption, european, generation, global, hand, hazard, hold, holding, human, idea, industry, line, male, man, outlet, person, pin, plug, power, renewable, safety, supply, symbol, technology, turn off, turn on, unplugged, voltage, wire,