I ran 1.5mm single copper wire a neutral back to the main fuse box and connected to one of the three phases. Tested at 230v. All good, it worked last night, so now I get the cheaper electricity tariff between 1am and 7am. The cheaper tariff three phase supplied to the house here in France is...
I live in FRANCE. I have a electrical box near my water heater that has three lives wires and an earth. Using a multimeter I get 407v across each pair on live cables, and 230v across each live cable to earth. There is no neutral wire. I would like to get 230v but not using the earth.