What are the color codes for wiring?
U.S. Electrical Wiring Color Codes
- Phase 1 – Black.
- Phase 2 – Red.
- Phase 3 – Blue.
- Neutral – White.
- Ground – Green, Green with Yellow Stripe, or Bare Wire.
What is the standard color code for control voltage wiring?
The choice of cable colour initially depends on what type of circuit it is, and whether the voltage is AC or DC….Panel Services Colour Coding (single core)
| Type of Circuit | Colour |
|---|---|
| AC Live | Orange |
| AC Neutral | Light Blue |
| Earth | Green and Yellow |
How many color codes are in domestic wiring?
Phase – 1: Black (for 120, 208, or 240 V), Brown (for 277, or 480 V). Phase – 2: Red (for 120, 208, or 240 V), Orange (for 277, or 480 V). Phase – 3: Blue (for 120, 208, or 240 V), Yellow (for 277, or 480 V). Neutral: White (for 120, 208, or 240 V), or Grey (for 277, or 480 V)
What are the 3 wire colors codes for DC and AC power?
The mandatory colors for power wiring in National Electric Codes (NEC) are Green, Bare or Green/Yellow (Yellow Strip or band on Green) for Protective Ground “PG” and White (alternatively Grey) for Neutral Wire.
What color is electric wire?
International Wiring Color Codes
| Region | Ground (G) | Neutral (N) |
|---|---|---|
| USA (LV)* | Green | White |
| USA (HV)* | Green | Grey |
| Europe & UK | Green | Blue |
| UK (Old) | Green | Black |
What color is the common wire?
White
Red, Black, and White are the colors of switch wiring for three-ways. Red and Black are connected to the switches if the White is used for neutral. The White is often referred to as Common, but the colored wires are also used as hot wires.
What color wires go to L1 L2 L3?
The USA has their own wiring colors for electrical circuits, black, red, and blue are used for 208 VAC three-phase; brown, orange and yellow are used for 480 VAC….International Wiring Color Codes.
| Region | USA (LV)* |
|---|---|
| Neutral (N) | White |
| Line 1 (L1) | Black |
| Line 2 (L2) | Red |
| Line 3 (L3) | Blue |