Color Code Wiring Chart For Electrician

Us ac the us national electrical code only mandates white or grey for the neutral power conductor and bare copper green or green with yellow stripe for the protective ground in principle any other colors except these may be used for the power conductors.

Color code wiring chart for electrician. Understand electrical wire color codes when wiring a switch or outlet. To enable wires to be easily and safely identified all common wiring safety codes follow a structured color scheme for the insulation of electrical wire. There are local rules and exceptions that exist based upon the exact application. This article describes the electrical wiring color code conventions for 120v or 240v ac circuit wiring in buildings in canada the u s the u k.

The outer plastic sheathing or jacket and the inner color coded wires the sheathing binds the inner wires together and its outer markings indicate the number of wires and size of wire gauge within the sheathing. The ac power cable color code is nearly similar to the code used in the usa except exclusion of bare copper from ground wire. Black red and blue are used for 208 vac three phase. These rules are applicable in the uk eu and all other countries who follow the new iec color codes instead of local and regional codes.

Electrical wiring color code guide. The usa follows a standard home electrical wiring color code that identifies every wire in an electrical circuit. Brown orange and. Quoting from authoritative codes standards for each region we provide a table summarizing the current and prior wiring color code conventions used by electricians in building wiring.

The color of the sheathing indicates recommended. Wiring color codes in canada. The colors adopted as local practice are shown in table below. In many cases a bundle of these colored wires will be grouped together and sealed within a black or grey cable.

Non metallic or nm 120 volt and 240 volt electrical cable come in two main parts. The canadian electrical code cec regulates electrical wiring color coding in canada. Labeling electrical wires conduits. Electrical cable and wire color markings.

The wire color codes used are only going to apply to the actual wires that are carrying the electricity. 6 wiring color codes in europe iec for dc supply.