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63A supply required for flat any thoughts on

Discuss 63A supply required for flat any thoughts on at Electricians Forums; Hi We have to install a 63A supply to a new consumer unit on a 2nd floor studio flat. The supply at present looks like it may have to feed ...
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    Default 63A supply required for flat any thoughts on

    Hi

    We have to install a 63A supply to a new consumer unit on a 2nd floor studio flat. The supply at present looks like it may have to feed from the switch on ground floor outside the property and up the wall before re-entering the 2nd floor studio flat.

    Any thoughts how best to go about this.

    SAW cable or trunking with 2 core and seprate earth. some advise and thoughts on this would be good.

    Cheers

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    Default Re: 63A supply required for flat any thoughts on

    SWA for me.
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    Default Re: 63A supply required for flat any thoughts on

    We were thinking 16mm 2 core SWA, use the armoured for cpc, clip it all up the side of the building.

    The only thing is what about the standard consumer units, they not really designed for swa as they are plastic. Any thoughts on termination into the D/B.

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    Default Re: 63A supply required for flat any thoughts on

    Trunking will probably look better but it will be much more cost effective to go with SWA. I would choose the latter.

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    Default Re: 63A supply required for flat any thoughts on

    Quote Originally Posted by BristolSpark View Post
    We were thinking 16mm 2 core SWA, use the armoured for cpc, clip it all up the side of the building.

    The only thing is what about the standard consumer units, they not really designed for swa as they are plastic. Any thoughts on termination into the D/B.
    What about installing one of these flush next to the CU, right where the CU entry cutouts are:

    http://www.******************/Products/BX333.html

    You can then terminate the swa into this and then run the cores up and through into the CU.

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    Default Re: 63A supply required for flat any thoughts on

    OK, just go to T L C and do a search for BX 333.
    Murdoch likes this.

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    Default Re: 63A supply required for flat any thoughts on

    make sure the |SWA is switch/fuse protected, and a good 16mm fly lead from the gland at the CU.
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    Default Re: 63A supply required for flat any thoughts on

    The client said the previous electrician on a different flat used the exisiting supply and just installed new consumer unit. But the cable looks like a 10mm rather than 16mm.

    Also is there any restriction on the height of the consumer unit. ie.....may have to install board around 500mm off the floor. Cant see anything in the on-site guide.

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    Default Re: 63A supply required for flat any thoughts on

    Quote Originally Posted by BristolSpark View Post
    Hi

    We have to install a 63A supply to a new consumer unit on a 2nd floor studio flat. The supply at present looks like it may have to feed from the switch on ground floor outside the property and up the wall before re-entering the 2nd floor studio flat.

    Any thoughts how best to go about this.

    SAW cable or trunking with 2 core and seprate earth. some advise and thoughts on this would be good.

    Cheers
    How are you going to be able to support the single cores in the trunking with strain relieve?? You can't just have them hanging in the trunking!! I'd Use 3 core SWA cable, as my first choice too...

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    Default Re: 63A supply required for flat any thoughts on

    I agree the SWA sounds a far better option. I just to find a way to terminate it into a consumer unit. hey guys thanks for the advise.

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    Default Re: 63A supply required for flat any thoughts on

    Quote Originally Posted by BristolSpark View Post
    I agree the SWA sounds a far better option. I just to find a way to terminate it into a consumer unit. hey guys thanks for the advise.
    A steel adaptable box springs to mind!! lol

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    Default Re: 63A supply required for flat any thoughts on

    Yes sounds ok, but presentation will look awful. This D/B is gonna be on view lol...with a metal box in your face lol. need to find another way....

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    Default Re: 63A supply required for flat any thoughts on

    Use a SWA brass earthing ring.

    20mm hole for the cable gland and 5mm hole for nut bolt and crimp connection.

    http://www.*************/search.do?fh_search=swa

    2.09 including gland, connect earth cable inside plastic C.U via the bolt.

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    Default Re: 63A supply required for flat any thoughts on

    Hmm blocked from posting links wonder why?

    go to screw fix and look for IP66 66 gland Kit 20mm

    63 Amps seem high for a small apartment is there a big power shower or hot air heaters?

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    Default Re: 63A supply required for flat any thoughts on

    Why does the armour need to be used at the cu as it will be earthed at switch fuse and it would be a 3 core.

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