Which British Standard addresses the safety of electrical installations?

The British Standard that addresses the safety of electrical installations is BS 7671. This standard is also commonly known as the IET Wiring Regulations and sets out the requirements for the design, installation, and maintenance of electrical systems to ensure safety. It provides guidelines to minimize the risk of electric shock, fire, and other hazards associated with electrical installations.

BS 7671 is important for ensuring compliance with the legal and safety requirements in the UK, and it is regularly updated to reflect the latest technological developments and safety practices. Adhering to this standard helps electrical engineers and contractors ensure that their work is safe and meets the necessary regulations, ultimately protecting both the installer and the end users.

In contrast, the other standards mentioned serve different purposes: BS 8888 pertains to the specifications for technical drawings, BS 5410 deals with oil-fired heating systems, and BS 3140 is concerned with the installation of electrical equipment in specific environments. Each of these standards plays a role in their respective fields but does not specifically address the safety of electrical installations like BS 7671 does.