Overhead electrical lines exceeding AC 1 kV - Part 2-13: National Normative Aspects (NNA) for ITALY
STANDARD published on 1.8.2017
Designation standards: ČSN EN 50341-2-13
Classification mark: 333300
Catalog number: 502500
Publication date standards: 1.8.2017
The number of pages: 36
Approximate weight : 108 g (0.24 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
This NNA (National Normative Annex) is only applicable to all new overhead lines equipped with bare conductors, covered conductors or cables, with voltages above 1kV AC. This standard is not applicable to overhead lines pre-existing before its coming into force and shall not be applied to maintenance or reconductoring; the standard can be applied in case of significant modifications of existing lines