Ключевые слова: ac, ammeter, background, cable, circuit, connect, connection, current, dc, design, diagram, direct, electric, electrical, electricity, electronic, element, energy, engineering, equipment, fuse, generator, graphic, grid, ground, high, icon, illustration, industrial, industry, isolated, lattice, line, metal, motor, power, safety, schematic, sign, steel, supply, switch, symbol, technology, terminal, transmission, voltage, white, wire,