Residential Wiring: Types, Gauges, Wires, and Standards
Residential wiring is the foundation of a home’s electrical system, delivering power safely to outlets, lights, and appliances. Knowing the types of wires used, the appropriate gauge for outlets, the purpose of each wire in a circuit, and the standard wiring practices ensures safety and efficiency. This article addresses these topics through four key questions, using a table to organize wire types and analogies to make concepts engaging. Table of Contents What Type of Wire Is Used in Residential Homes? Should I Use 12 or 14-Gauge Wire for Outlets? What Are the 4 Wires in House Wiring? What Is Standard Electrical Wiring in a House? What Type of Wire Is Used in Residential Homes? Residential homes use specific types of electrical wires designed for safety, ease of installation, and compliance with local codes like the National Electrical Code (NEC). These wires are typically low voltage, operating at 120/240 volts in the US, and are insulated to prevent shocks. Here are the most co...