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Surely the only 'proper' way of doing it is 6mm cable, 45A breaker, Ref method C throughout.
That way Ib is less than In.
?
That way Ib is less than In.
?
Discuss 9.5 kw shower on 6mm ? in the UK Electrical Forum area at ElectriciansForums.net
if it ain't broke, don't fix it. perfectly OK with a ccc of 47A on a 40A MCB.
Surely the only 'proper' way of doing it is 6mm cable, 45A breaker, Ref method C throughout.
That way Ib is less than In.
?
can you get a 45A, 5 minute time switch?47A is the absolute max under continuous clipped direct conditions with no VD. I personally wouldn't put 6mm on a 40A MCB, nor run a 9.5KW load on it, but that's just my opinion.
As far as not being in the shower for more than 5 or 10 mins goes.... tell my daughter that.
Ive seen a 9kw shower ran on a 32 amp MCB
well, if you insist on using your 6mm for the loft light, you'll have to use 1.5mm for the shower as you'll have no 6mm left.lol nope but i did she a shower not sure what the kw rating was ran off a 30 Amp BS3036 fuse in 1.5mm 3 core!!!
At first glance i thought it was 4mm, looked in the loft and it was all melted under the insulation.
Still worked though i found it as i was installing a loft light.
lol nope but i did she a shower not sure what the kw rating was ran off a 30 Amp BS3036 fuse in 1.5mm 3 core!!!
At first glance i thought it was 4mm, looked in the loft and it was all melted under the insulation.
Still worked though i found it as i was installing a loft light.
Yes , but many CU brands dont have 45A mcbs , next one up is 50 which will need 10mm cable.
So what's the story with these Mega Watt shower units that seem to abound in the UK?? ...lol!!!
just because it's bigger than next door's. same with cookers. next door's just had a 10kW unit, so we must have a 12kW. one.
Reply to 9.5 kw shower on 6mm ? in the UK Electrical Forum area at ElectriciansForums.net
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