Wire Color Code Chart – Electrical Wire Color Codes
Wire Color Code Chart – Electrical Wire Color Codes
Wire Color Code Chart When wiring a switch or outlet, be aware of electrical wire colour codes. Every wire in an electrical circuit in the United States is identified by a standard home electrical wiring color code. You’ll find the answers here if you need to know what the wire colours for electrical wiring are, what colour the live or hot wire is, or what colour the ground wire is in your electrical system.
Electrical Wire Color Codes – What Do They Mean?
When wiring a light switch or other electrical component, you must know what colour wire performs what. Knowing which wire goes where can assist you in safely wiring or rewiring an electrical component.
SAFETY: Before wiring or rewiring a switch or outlet, turn off the power to the circuit or use a multimeter to ensure the wire is not HOT or LIVE.
Color Codes for Electrical Wires
WIRES IN GREEN
This is the GROUND wire, which is used to GROUND an electrical circuit. A bare wire, a green wire, or a green wire with a faint yellow stripe can all be used as ground wires.
WIRES IN BLACK
They transport energy from the breaker to the source and are known as the HOT wire.
WIRES, WHITE/GRAY
The NEUTRAL wires collect unneeded electricity/current and return it to the breakers or main breaker panel.
WIRES IN YELLOW
Structural lights, outlets with light switches, and ceiling fans all have switch legs.
WIRES IN BLUE
They’re commonly employed as passengers in three- or four-way switches.
WIRES IN RED
In 220 volt circuits, secondary live wires are used. A multi conductor cable contains red wires. Red wires are typically utilised for switch wiring and connecting hardwired smoke detectors to the electrical circuit.
See the electrical wire colour code diagram below for a visual representation of each wire’s colour and function…
This Electrical Wire Color Codes picture is available in PDF format. Color Code Chart for Electrical Wires Color Codes for Electrical Wires In PDF
Wire Color Codes For United States
Phase 1: Black
Phase 2: Red
Phase 3: Blue
Neutral: White
A green wire, a bare wire, or a green wire with a yellow stripe is used as a ground wire.
If necessary, a simple light switch wiring diagram is provided below. A dimmer switch is shown in the diagram below. For reference, it depicts the Black HOT/LIVE wires, Green GROUND wires, and White or Gray NEUTRAL wires.
Dimmer Light Switch Wiring Diagram
BE AWARE: If wiring is not done correctly, all electrical cables may carry electrical current. Treat all wiring as if it were LIVE or HOT at all times.
NOTE: If the wiring has not been updated, older residences built before 1941 may have a variety of wire colour codes. As a result, exercise extreme caution and check with a multimeter to ensure that any wire colours are not HOT or LIVE.
If your breaker trips when you turn on the light switch, you can find information on how to diagnose the problem here… When I turn on the light, the circuit breaker trips.
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