Electrical Wiring Color Code Standards Uk
Allowable wire and cable types and sizes are specified according to the circuit operating voltage and electric current capability with further restrictions on the.
Electrical wiring color code standards uk. Most of the european countries follow the international electro technical commission s electrical wiring color code. The electrical wiring colour codes followed is slightly different in every part of the world depending on the standards they follow. The colors adopted as local practice are shown in table below. The uk fixed wiring colour standards are now universal in europe like socapex wiring circuits similarly this will be reflected on power connectors that are colour coded.
As mentioned above most of the europe union countries and uk china russia hong kong singapore ukraine belarus kazakhstan israel turkey argentina south africa ksa saudi arabia uae united arab emirate and malaysia are following the iec international electrotechnical commission wiring codes. En 60204 1 safety of machinery electrical requirements of machines sets out both the required safety standards and the type and colour of cable that should be used for wiring an electrical enclosure. Brown orange and. Wiring is subject to safety standards for design and installation.
Electrical wiring is an electrical installation of cabling and associated devices such as switches distribution boards sockets and light fittings in a structure. United kingdom had its own color code until 2004. But from march 2004 the uk started following the iec color code. Even there are different colour codes for ac and dc wires.
The canadian electrical code cec regulates electrical wiring color coding in canada. The standard wiring colours in the uk are as of 2006 the same as elsewhere in europe and follow international standard iec 60446. The united kingdom now follows the bs 7671 iec ac plug cable colour codes. Iec wiring color codes for ac uk eu other countries.
Wiring color codes in canada. 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. 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.
The en codes supersede the old british standards for the time being at least and the international standard en 60204 1 specifically governs control panel wire colour codes. This colour scheme had already been introduced for appliance flexes in the uk in the early 1970s however the original red black colour scheme recommended by the iee for fixed wiring was retained until 2006 albeit with change to a green yellow striped earth in 1976. The existing cable colour code for fixed electrical wiring stipulated in the singapore standard cp5 1998 code of practice for electrical installations has been amended to align with international standards such as bs 7671 and iec 60446.