Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring or monitoring of protective measures -- Part 4: Resistance of earth connection and equipotential bonding (IEC 61557-4:2007).
NORMA vydaná dňa 19.12.2007
Designation standards: UNE-EN 61557-4:2007
Note: NEPLATNÁ
Publication date standards: 19.12.2007
The number of pages: 23
Approximate weight : 69 g (0.15 lbs)
Country: Spanish technical standard
Kategória: Technické normy UNE