Overhead electrical lines exceeding AC 45 kV - General requirements. Common specifications Ingestion-build-48974 BS EN 13121-2 gives the

BS EN 13121-2 gives the requirements necessary to establish that the GRP material and any thermoplastic lining will have sufficient chemical and thermal resistance to service conditions

propylene and butadiene

Specification’ which will be withdrawn

Operating conditions

for each major field of application

Overhead electrical lines exceeding AC 45 kV - General requirements. Common specifications Ingestion-build-48974 BS EN 13121-2 gives theBS EN 50341 1, the main standard for overhead lines designed for AC 45 kV and above, has been written essentially as a stand alone document, except in so far as reference is made to other Standards. The NNA for any country (which is normative for that country and informative for other countries), amends, where necessary, parameters or practices quoted in the main body to values and methods used in the country. So, for overhead lines for use in Great