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3 phase temp supply ?

goldenboy1818

Hi guys, iv been doing loads of basic new build single phase.

The next one is going to be 3 phase and a bigger house. I will treat as normal apart from adding a 3 phase board and balancing on the phases.

The owner has asked me to set up a temp supply. Can I do this but setting up say a garage board and couple of sockets, but using just one phase and not connecting the other two in, obviously neutral and earth will be connected. Thank you for any help

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    and balancing on the phases.

    Check with the DNO -  some (WPD?) I've heard prefer people to put the normal single phase loads all on the same phase (L1 say) and use the other two only for 3-phase loads (e.g. heat pumps and EV charge points). The idea being that they'll then balance things by rotating the phases for each house connection to the main - and can get a better overall balance that way than if say a whole estate is done with all the cookers on L1, showers on L2 and sockets on L3 or similar not entirely random pattern made up by electricians.

       - Andy.

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    and balancing on the phases.

    Check with the DNO -  some (WPD?) I've heard prefer people to put the normal single phase loads all on the same phase (L1 say) and use the other two only for 3-phase loads (e.g. heat pumps and EV charge points). The idea being that they'll then balance things by rotating the phases for each house connection to the main - and can get a better overall balance that way than if say a whole estate is done with all the cookers on L1, showers on L2 and sockets on L3 or similar not entirely random pattern made up by electricians.

       - Andy.

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