Electric wire is a conductor used to transmit electrical energy. Typically made of copper or aluminum, it is insulated to prevent accidental contact and short circuits. Wires come in various gauges, with thicker wires allowing for higher currents. Common applications include residential wiring, power distribution, and electronic devices. Proper wire selection is crucial for safety and efficiency; using the correct gauge helps prevent overheating and electrical fires. Additionally, wires are categorized by their insulation type, voltage rating, and application. In household settings, you’ll find wires in outlets, light fixtures, and appliances, all designed to ensure reliable and safe electricity flow. Regular maintenance and inspection of wiring systems can help prevent hazards and extend their lifespan.