BS EN 61557-7:2007 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. Phase sequence (Withdrawn)
Publication Year
2007
Document Status
Withdrawn
Document History
Superseded by BS EN IEC 61557-7:2022. Replaces BS EN 61557-7:1997.
ISBN
9780580508578
Publisher Information
British Standards Institution
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