Can anyone advise whether there would be an issue with putting a fused spur onto a lighting circuit to feed a 150W radiator element.
Alternatively with some extra work this could also be wired into a shower circuit.
Wiring this into a ring main is a lot more complicated and will involve floors coming up, etc.
Thanks
Tim
On 17 Aug 2006 07:57:27 -0700 someone who may be snipped-for-privacy@hotmail.com wrote this:-
I assume you mean the element for a heated towel rail. It is permissible to wire one into a lightly loaded lighting circuit. You first need to work out how the existing circuit is loaded.
If the towel rail is in a room containing a bath or shower you need to use the right sort of switches in the right positions to control the rail.
You also need to do the bonding properly.
Lastly, if you live in England or Wales, you need to beware of Mr Prescott's paperwork stupidities.
Permissible, if the right accessories and wiring is used. Not ideal.
The best solution, as general power supplies are what ring mains are for.
Could you run a cable from a ring main up into the roof and then down?
Allow 100W for each lighting point and 150W for the element with no diversity. If it comes within the circuit's size, then it is OK.
i.e. a 6A circuit @ 230V nominal allows 1380W, which is your heater and 12 lighting points.
Christian.
An RCD fused spur may also be needed.
Adam
On Fri, 18 Aug 2006 16:55:09 GMT someone who may be "ARWadsworth" wrote this:-
It might be desirable. However, it is unlikely to be required.
An RCD is only required if the towel rail is in Zone 1 - i.e. directly above the bath - and this in turn is only allowed if it cannot reasonably be located elsewhere.
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