IET Guidance Note 4: Protection Against Fire (BS 7671:2018+A4:2026)

IET Guidance Note 4: Protection Against Fire (BS 7671:2018+A4:2026)

IET Guidance Note 4: Protection Against Fire (BS 7671:2018+A4:2026) is a practical reference focuses on one of the most critical safety responsibilities in electrical work: reducing fire risk within electrical installations. It supports the correct application of BS 7671 requirements where fire safety, building design and electrical engineering meet, helping users make informed, compliant decisions.

Aimed at everyone involved in fire safety for electrical installations, including consulting engineers, electrical installers, inspectors, maintenance electricians and technicians, this guidance note has been fully updated to align with BS 7671:2018+A4:2026. It’s useful both for day-to-day site decisions and for ensuring documentation and maintenance practices reflect current expectations.

Updates include changes linked to relevant legislation, clearer guidance on protected escape routes, plus guidance covering services between fire compartments and wiring systems for safety services. This makes it a valuable tool for improving consistency in design intent, installation practice and ongoing inspection where fire safety performance matters.

Key Features

• Fire safety guidance aligned with BS 7671:2018+A4:2026
• Supports safer design, installation, inspection and maintenance of electrical installations
• For consulting engineers, installers, inspectors, maintenance electricians and technicians
• Updated to reflect relevant legislation changes
• Guidance on protected escape routes
• Guidance on services between fire compartments
• Guidance on wiring systems for safety services