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  1. #11
    Quote Originally Posted by Clive S View Post
    This is not true you seem to be contradicting yourself in domestic wiring they only take one phase into the house and the next house would get another phase etc this is so the 3 phases are balanced. The same in a factory the phases need to be balanced as far as possible.

    The danger can come in domestic use if a guy runs an extension lead to his neighbours house its possible to get the high voltage in fault conditions
    Thanks for the reply, I actually meant to write
    "1 phase of 3 to get 230v mains you mustn't have a load on the other 2 phases otherwise the load will be unbalanced over all 3 phases." What they were stressing to me was that it was ok for the load not be balanced if I used only 1 phase but if I used all 3 phases (Say 3 different single phase circuits) then it should be balanced. But I have no idea if I was fed bollocks lol.

    I think I am misunderstanding balanced but I'm also repeating what I was told by an electrician. I was only talking from the POV that I have a 3 phase input to a 5 wire socket and I take 1 live, the ground and the earth. Not a home situation if I was doing this at home I'd run 32amp Twin and earth from spare slot on the board and add the correct breaker. I've done this before and it cost me ~£45 last time for the wire and breaker, my house hasn't burnt down yet lol.

    I'm not sure I understand how my neighbour balances me because one side house has been empty for a year and the other side they work nights so I would think the 3 phases are not balanced unless balance isn't load which is what I assumed it to be. Also what happens when it doesn't divide by 3? When I was thinking of balance I was thinking it needed to be equal draw on all 3 phases a once which is how 3 phase motors work of course.

    I'm not an electrician lol but interested and would like to improve my leccy skills especially as the last electrician I had at home I ended up having to fix his dodgy wiring lol. (Patched my Electric oven cable in the wall with 13amp!) Trust a trader my fucking arse.

    I just realised reading your post that I need to check which phase is which in the fuse box before I wire this up I think a volt meter should be the right tool for the job. I'm assuming they put the different phases on different rows.
    Last edited by Desertboy; 15-06-2017 at 06:07 PM.
    http://www.mycncuk.com/threads/10880...60cm-work-area My first CNC build WIP 120cm*80cm

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