Overhead electrical lines exceeding AC 1 kV - National Normative Aspects (NNA) for Sweden (based on EN 50341-1:2012)What is BS EN 50341 2 18 Overhead electrical line about? BS EN 50341 2 18 is a part of the BS EN 50341 standard that discusses the national normative aspects for Sweden for overhead electrical lines exceeding AC 1 kV. Overhead lines or overhead wires are used to transmit electrical energy to trams, trolleybuses and trains. BS EN 50341 2 18 is applicable for new overhead lines only and not for existing lines. BS EN 50341 2 18 is applicable for the

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