The helpful reality is that you really have only. In other jurisdictions only a few conductor colors are so codified.
This article describes the electrical wiring color code conventions for 120v or 240v ac circuit wiring in buildings in canada the us the uk.
Color code for electrical wires. The color is used on the wires insulation and it is sometimes mandatory and sometimes optional. In many cases a bundle of these colored wires will be grouped together and sealed within a black or grey cable. Labeling electrical wires conduits.
The canadian electrical code cec regulates electrical wiring color coding in canada. Beyond that are general industry accepted rules about wire color that indicate their purpose. The national electrical code nec says that white or gray must be used for neutral conductors and that bare copper or green wires must be used as ground wires.
Wiring is subject to safety standards for design and installation. With the help of color codes of electrical wires they can be easily and safely identified. But looking deeper the color of the wires inside of the sheathing reveals that different colored wires serve different purposes.
There are some safety measurements that are to be followed while dealing with electrical wiring and the color codes of wires will help in implementing those safety measurements as a single code is followed in that particular jurisdiction. Allowable wire and cable types and sizes are specified according to the circuit operating voltage and electric current capability with further restrictions on the. 6 wiring color codes in europe iec for dc supply.
Wiring for ac and dc power distribution branch circuits are color coded for identification of individual wires. Electrical wiring color code guide. Be aware that all electrical wires regardless of their function could carry an electrical current at some point so treat all wires with equal caution.
Electrical wiring is an electrical installation of cabling and associated devices such as switches distribution boards sockets and light fittings in a structure. In that case local custom dictates the. The home wire color code was created for safety and convenience.
The ac power cable color code is nearly similar to the code used in the usa except exclusion of bare copper from ground wire. Knowing the electrical color code that dictates which wire does what is imperative not only in the correct configuration of an electrical system but its also paramount for your safety. In some jurisdictions all wire colors are specified in legal documents.
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 wire color codes used are only going to apply to the actual wires that are carrying the electricity. Depending on where a wire ultimately gets installed you cannot always rely on the markings printed on the insulation coating nor will you always be able to read them legibly.
Wiring color codes in canada. It allows electrical workers to identify wires and work with them without risk. The quickest way to identify house electrical wiring is by its color.