Sep 3, 2021
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If you're a qualified, trainee, or retired electrician - Which country is it that your work will be / is / was aimed at?
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Trainee Electrician
So looking for some help, currently I have a sub mains board in the garage supplied from the house CU on a B16 mcb. Right now the sub mains in the garage has a 63amp main switch with 32amp radial circuit and a 10 amp lighting circuit although as there is going to be a shower added in to here which will be pulling 39amps what is my best option, as I won’t be able to add a 45amp breaker for the shower to this sub mains?
 
...and an adequate earth bond will be required for the water supply.

Plenty factors involved. Get some qualified help on site.
 
it looks like it’s only 2 2.5 t+e ?
 
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Scotland
If you're a qualified, trainee, or retired electrician - Which country is it that your work will be / is / was aimed at?
United Kingdom
What type of forum member are you?
Trainee Electrician

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Title
Sub mains for garage help?
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UK 
Forum
UK Electrical Forum
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4

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Created
S12tradey,
Last reply from
loz2754,
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