Wire color codes play a vital role in ensuring safe and correct electrical connections. They help distinguish between hot, neutral, and ground wires, which are identified by colors like black, red, ...

Ready to cross that electrical project off your to-do list? Understand wiring color codes so you can finish the job safely.

White, black, red, and green are the most common wire colors you'll see in a home — and blue wires must be treated with caution. Here's why.