Emergency lighting. Emergency lighting of premises - Code of practice

BS 5266-1:2025

British Standards Institution
Emergency lighting. Emergency lighting of premises - Code of practice Download document

Document Status

Current

Supplement

Core Supplement

Series

BS

Abstract

Provides recommendations and guidance for the design, installation and wiring of electrical emergency lighting systems. Also considers the illumination needs for the safety of people in buildings during power supply failure to normal lighting systems. Covers emergency lighting systems providing assistance for evacuation during an emergency, as well as continuing to provide protection for occupants remaining in the building during an emergency, and enabling normal operations to continue when the supply for normal lighting fails. Also applies to lighting in areas with fixed seating.

History

Supersedes BS 5266-1:2016. Came into effect 31 October 2025. See Foreword for contractual and legal considerations.

ISBN

9780539316827

Subjects

  • Building services
  • Electrical services
  • Lighting
  • Emergency lighting

Publisher History

With over 100 years of experience the British Standards Institute is recognised as the UK’s National standards body. Their committees work with the manufacturing and service industries, government, businesses and consumers to facilitate the production of British, European and International standards.

Information

NBS

NBS has produced specification systems and information products for construction industry professionals for more than 40 years. The National Building Specification is the recognised UK national standard and is used by over 5,000 organisations. NBS is part of RIBA Enterprises Ltd.

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