BS-EN-61557-4 › Complete Document History
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


Obsolete Revision Information:
   REPLACED BY BS-EN-IEC-61557-4 - WITHDRAWN IN 2022 - Feb. 16, 2022
   2007 EDITION - 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. Resistance of earth connection and equipotential bonding - June 29, 2007
   1997 EDITION - VOLTAGE DISTRIBUTION SYSTEMS U - July 15, 1997