Ключевые слова: automatic, background, block, blocks, blue, board, box, cable, cable connection, cables, circuit, closeup, component, connect, connection, control, distribution, electric, electrical, electrician, electricity, electronics, energy, equipment, fuse, fuse box, green, ground, home, industrial, industry, installation, line, locking block, panel, plastic, plow, power, supply, switch, switchboard, system, technology, trench, voltage, volts, wire, wires, wiring, yellow,