Electrical installations of buildings - Part 4: Protection for safety - Chapter 44: Protection against overvoltages - Section 442: Protection of low-voltage installations against faults between high-voltage systems and earth
STANDARD published on 1.12.1999
Designation standards: ČSN 332000-4-442
Classification mark: 332000
Catalog number: 53857
Note: WITHDRAWN
Publication date standards: 1.12.1999
The number of pages: 16
Approximate weight : 48 g (0.11 lbs)
Country: Czech technical standard
Category: Technical standards ČSN