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Advice needed! Ive been to see a job for garage power, the previous electrician has taken a 4mm on a 32amp B MCB protected by a 30mA RCD. But hasnt done anything with, apart from the fact there is no protection and its T&E all straight forward. My ownly question is do i gland straight into a socket and then have a fuse spur to supply a light OR can i install a 2 way board protected by a main switch or does it need to be a RCD main switch.
 
Advice needed! Ive been to see a job for garage power, the previous electrician has taken a 4mm on a 32amp B MCB protected by a 30mA RCD. But hasnt done anything with, apart from the fact there is no protection and its T&E all straight forward. My ownly question is do i gland straight into a socket and then have a fuse spur to supply a light OR can i install a 2 way board protected by a main switch or does it need to be a RCD main switch.
Why didn't the original Sparky finish the job???
 
Advice needed! Ive been to see a job for garage power, the previous electrician has taken a 4mm on a 32amp B MCB protected by a 30mA RCD. But hasnt done anything with, apart from the fact there is no protection and its T&E all straight forward. My ownly question is do i gland straight into a socket and then have a fuse spur to supply a light OR can i install a 2 way board protected by a main switch or does it need to be a RCD main switch.

What do you meant by no protection?
What protection do you think a main switch will provide?
Do you understand what an RCD is, how it works, and how it will work if you install another one in series with the existing one?
 
As soon as you contain it you can no longer use a 32A protective device. I would pull back into the house then use swa from this point.
 
Advice needed! Ive been to see a job for garage power, the previous electrician has taken a 4mm on a 32amp B MCB protected by a 30mA RCD. But hasnt done anything with, apart from the fact there is no protection and its T&E all straight forward. My ownly question is do i gland straight into a socket and then have a fuse spur to supply a light OR can i install a 2 way board protected by a main switch or does it need to be a RCD main switch.
i would where it comes through the brickwork on house straight into ipbox sealed to allow swa via a cantenary wire with metal zips into either a small consumer unit dont forget to check whether you need to slam a rod in as tt for external outbuildings, you wont need rcd board in here if its already protected at source due to which trips first,
 
What do you meant by no protection?
What protection do you think a main switch will provide?
Do you understand what an RCD is, how it works, and how it will work if you install another one in series with the existing one?
As in twin swinging in the air.
I do indeed understand adding an RCD in series work. I was just asking if youd fit an rcd again in the garage
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i would where it comes through the brickwork on house straight into ipbox sealed to allow swa via a cantenary wire with metal zips into either a small consumer unit dont forget to check whether you need to slam a rod in as tt for external outbuildings, you wont need rcd board in here if its already protected at source due to which trips first,
Thanks mate, customer wants in buried, but everything else is spot on thanks mate
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As soon as you contain it you can no longer use a 32A protective device. I would pull back into the house then use swa from this point.
Thanks mate
 
If your (well, the previous sparks) installation method, requires additional protection, then the existing tw&e will require the RCD at source.

Does the existing CU allow you to do either?
 

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