Requirements may be specified in the project specification.This Part 3-11 applies to complete new lines only . Existing lines and their extension,modification or refurbishment are not covered, and existing designs may be applied. Notes 1and 2 of EN 50341-1:2001 apply.
DS/EN 50423-3+Corr.:2006 history
2011DS/EN 50423-3/Corr. Oct. 2010:2011 Overhead electrical lines exceeding AC 1 kV up to and including AC 45 kV - Part 3: Set of National Normative Aspects
2006DS/EN 50423-3+Corr.:2006 Overhead electrical lines exceeding AC 1 kV up to and including AC 45 kV - Part 3: Set of National Normative Aspects