Ключевые слова: background, business, circuit, closeup, concept, control, deterring crime, deters intruders, device, display, electric, electrical, electricity, energy, equipment, home, hour, indoor, industry, isolated, machine, mechanical, metal, minute, modern, object, outlet, panel, plastic, plug, plugin, power, programme, safety, saver, saving, security, smart, socket, sockets, stop, supply, switch, system, technology, time, timer, tools, wall, white,