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BS EN 50171:2021 | 31 Jul 2026 | BSI Knowledge
Standard
BS EN 50171:2021
Central safety power supply systems
Current
•
Published:
31 Jul 2026
Overview
Preview
References
History
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Product Details
Descriptors
Electrical components
Standby lighting
Emergency electrical installations
Battery-powered devices
Emergency lighting
Electric control equipment
Electrical equipment
Electrical testing
Electrical installations
Electrical protection equipment
Escape lighting
Electric cells
Performance testing
Electrical safety
Dielectric strength
Electric power systems
ICS Codes
29.240 Power transmission and distribution networks
29.240.01 Power transmission and distribution networks in general
91.140.50 Electricity supply systems
Committee
PEL/22
International relationships
Identical to:
EN 50171:2021/AC:2026-07
ISBN
978 0 539 43352 4
Publisher
BSI