ECN Forum Forums General Topics of the Trade Non-US Electrical Systems & Trades Norwegian power?

Huge document, I will need some time to read all that. :-)

This picture http://tinyurl.com/hs7q4wy shows a pole, sometimes the supply has 3 wires, and service neutral, sometimes only the 3 wires. The transformer primary is connected between N and one supply wire, or 2 of the supply wires. What use to be the primary voltage for these transformers?

dsk