BS EN IEC 61557-3:2022 Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. - equipment for testing, measuring or monitoring of protective measures. Loop impedance
Publication Year
2022
Document Status
Current
Abstract
Provides requirements relevant to equipment which measures loop impedance between a line conductor and protective conductor, between a line conductor and neutral; or between two line conductors by using the voltage drop when the circuit under test is loaded. Discusses requirements, marking on measuring equipment, operating instructions for this equipment and testing.
Document History
Supersedes BS EN 61557-3:2007.
ISBN
9780580990731
Publisher Information
British Standards Institution
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.
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