Lighting Wire Colours

Allowable wire and cable types and sizes are specified according to the circuit operating voltage and electric current capability with further restrictions on the.

Lighting wire colours.

The standard dc colours are as follows. Finally there are the direct current dc power wire colours commonly featured in solar and battery power systems. What 12 different electrical wire colors actually mean wiring a light fixture or new appliance. Wiring is subject to safety standards for design and installation.

Take apart an already installed fixture. This is the earth wire. Since 2006 british law dictates that the colours mentioned above must be used in all new electricity installations. Blue this is the neutral wire.

Cable colours cables harmonised cable colours wire colours old lighting circuit cable colours unharmonised if the wiring in your house is older than the 31st march 2004 and hasn t been modified you will have the following old cable core colours used in your lighting circuits. Basic wire color coding. Jun 4 2012 4 the op may be done with this thread or not but i have to correct the color codes posted above by ericloewe. There is a chance that if your house has these old wiring colours the switch drops may be from a loop in loop out radial lighting circuit done with junction boxes rather than ceiling roses as shown in fig 2.

When those labels use printed text they should use high contrast and durable print. Aug 12 2007 17 0 66. Positive non ground red. Wire markers should be visible during installation and normal maintenance of the wiring systems.

Whatever marking system is used for the cables and wires in your facility the markings should be durable enough to last as long as the wires themselves. Electrical wiring is an electrical installation of cabling and associated devices such as switches distribution boards sockets and light fittings in a structure. Ground white or grey. Ground green green with yellow stripes or bare wire.

In 2006 amendment 2 of 17 th edition bs7671 wiring regulations saw a change to harmonise the uk colours with the european cable colours for consistency and to avoid confusion. A simple standard electrical circuit has a black or red hot wire that carries power from the power source to the device e g switch fixture outlet appliance a white neutral wire that carries the power back to the power source and a green or bare copper ground wire that connects the device to the home s grounding system. The switch wiring is all the same but the switch wire cable c leads up to a different set up. New vs old wiring colours.

Brown this is the live wire. Don t be confused by the number of electrical wire colors you find we ve got just the. Negative non ground black.