Electrical safety in low voltage distribution systems up to 1 kV a.c. and 1,5 kV d.c. - Equipment for testing, measuring and monitoring of protective measures - Part 4: Resistance of earth connection and equipotential bonding
STANDARD published on 1.10.1998
Designation standards: ČSN EN 61557-4
Classification mark: 356230
Catalog number: 53538
Note: WITHDRAWN
Publication date standards: 1.10.1998
The number of pages: 12
Approximate weight : 36 g (0.08 lbs)
Country: Czech technical standard
Category: Technical standards ČSN