Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. Equipment for testing, measuring ormonitoring of protective measures. Phase sequence.
STANDARD published on 15.7.1997
Designation standards: BS EN 61557-7:1997
Note: WITHDRAWN
Publication date standards: 15.7.1997
The number of pages: 14
Approximate weight : 42 g (0.09 lbs)
Country: British technical standard
Category: Technical standards BS