BS 7671
| Electrical installations |
|---|
| Wiring practice by region or country |
| Regulation of electrical installations |
| Cabling and accessories |
| Switching and protection devices |
BS 7671 "Requirements for Electrical Installations. IET Wiring Regulations", is the national standard in the United Kingdom for electrical installations and the safety of electrical wiring systems. It is informally known as "The Regs" (in reference to regulations) in the electrical community.
Formal recognition as a British Standard did not occur until after the publication of the 16th edition in 1992. The standard takes account of the technical substance of agreements reached in CENELEC.
BS 7671 is also used as a national standard by Mauritius, St Lucia, Saint Vincent and the Grenadines, Sierra Leone, Singapore, Sri Lanka, Trinidad and Tobago, Uganda, Cyprus, and several other countries, which base their wiring regulations on it.
The latest edition is BS 7671:2018+A3:2024, which is the 18th Edition, originally published in 2018, further incorporating amendment number 3, issued in 2024.