Ключевые слова: amperage, background, black, building, cable, circle, connect, danger, discharge, earth, earthing, electrical, electricity, energy, equipment, flat, ground, grounding, hazard, home, icon, illustration, industrial, machine, maintenance, parts, plug, power, protection, repair, rules, safe, safety, shadow, sign, signify, sources, switch, symbol, technology, tension, terminal, vector, volt, voltage, wire, yellow,