Just installed a log cabin about 100 ft away at end of garden, I already have a 6mm SWA 3 core cable buried to that site and protected with RCD at main consumer unit. I need an electrician ( awaiting visits for quotes) to install a consumer unit in the cabin, 8 double sockets, 1 switched ceiling pendant and two external security lights. Obviously I will go with the advice of the attending electricians who will install and certificate for me, just wanted a thought on whether the existing cable is sufficient. The cabin will use an oil filled heater, 2 kw, tv, Xbox, lamps.... Any thoughts please..
Power to a log cabin
- Thread starter Thepunter
- Start date
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Couple of observations:-
1) Why is there an RCD at the source?
2) You should have engaged an electrician before you started - you're now expecting someone to sign off the work you did (burying the SWA) when they have no idea whether or not you did it properly.
1) Why is there an RCD at the source?
2) You should have engaged an electrician before you started - you're now expecting someone to sign off the work you did (burying the SWA) when they have no idea whether or not you did it properly.
30ish
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1) Because that supply run from the consumer nit was for a shed, the other light circuits and this supply are protected by 30 mA RCD, that's the way the new CU was wired and certified a couple of years ago.
2) My question was about load so I didn't think it necessary to advise on the history of the cable, the installation of which was certified for its original use about 5 years ago. Really not sure why you are looking to find process fault and wag a metaphoric finger over a straightforward question? Having read these forums before it does seem that some prefer to criticise rather than offer guidance......
The mcb is a Wylex B32 so presumably 32 amp, rest assured everyone, I used to be a plumber and always paid one of you guys for my electrical work and this is no different as I need it certified....just concerned that the cable will not carry sufficient load for the use I plan in the cabin.... Thanks
Not one piece of the information you provided in your second post was in the first post... The implication was that you'd built a log cabin and run a cable to it.
I was trying to help, but am more than happy not to bother...!
That cable size over that distance, and with lighting circuits is good for about 6.5kW - so more than enough for your requirements.
You really don't need the RCD at the source so would be better off getting rid of that. There's also the earthing arrangements to consider at the cabin end but your electrician will be able to advise.
He'll still need to reassure himself that the rest of the installation is sound though.
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