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Caravan Park

I have to replace 6 pitch boxes on a touring van caravan  site.

So six pitch boxes with 4 van hookup points per box, each hookup point protected by a 10A 30mA RCCB.

Unfortunately I've also discovered that the site is wired as a ring in 6mm SWA, buried direct in ground.


Any thoughts on max fuse size to protect a 6mm ring?


Regards

George
Parents
  • I can see all electric motor home being a non starter (literally) even with a microwave and induction hob cooking. I take the point  that Scouty type users even in caravans are nearer the camper hiker mentality and the caravan has a  gas bottle so the electrics are to charge a phone and run a night light or two.

    None the less, the 70 houses per phase, (say five and a half amps each) while an upper limit, is true where the main heating is gas and the property is only small  (2 bedroom say) which I think could be similar to a camper wagon.  section 8 of this doc for example has typical nos  .   For estates of houses with electric storage heating we do indeed expect considerably more demand, and yes an average figure of more like 30 properties per phase of houses of mixed size and heating type is probably more reasonable.

    Which is partly my other point - mass recharging of vehicles even at the "granny lead" rate of 2-3 kw will not be possible at more than a few houses at a time in most streets in the UK without quite a bit of reinforcement work. Makers of 11kV to 400V Xformers are probably in for a bit of a bonanza.

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  • I can see all electric motor home being a non starter (literally) even with a microwave and induction hob cooking. I take the point  that Scouty type users even in caravans are nearer the camper hiker mentality and the caravan has a  gas bottle so the electrics are to charge a phone and run a night light or two.

    None the less, the 70 houses per phase, (say five and a half amps each) while an upper limit, is true where the main heating is gas and the property is only small  (2 bedroom say) which I think could be similar to a camper wagon.  section 8 of this doc for example has typical nos  .   For estates of houses with electric storage heating we do indeed expect considerably more demand, and yes an average figure of more like 30 properties per phase of houses of mixed size and heating type is probably more reasonable.

    Which is partly my other point - mass recharging of vehicles even at the "granny lead" rate of 2-3 kw will not be possible at more than a few houses at a time in most streets in the UK without quite a bit of reinforcement work. Makers of 11kV to 400V Xformers are probably in for a bit of a bonanza.

Children
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