yes you can still fit an RCBO. As it will still detect a human touching live (e.g when changing a bulb) and trip.
Twin no earth in my lighting circuit
- Thread starter levstar
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What regs are you reading? Think of it like this:
Outside a safe zone - cable must either be burried greater than 50mm or, if less than 50mm, must be be protected by one of the specified forms of mechanical protection.
Inside a safezone - the same is essentially true, but you have the additional option of having a cable burried less than 50mm having RCD protection instead of one of the specified forms of mechanical protection.
Thanks I was reading the or statements as optional if the wire was in the safe zone.
Regarding my split board then would it be best to use the rcbo instead of wiring it on rcd side with my socket circuits.
Also if I run twin and earth in the circuit at any point what should I do with the CPC? cut it back so it does not give the impression there is an earth on that circuit>
Regarding my split board then would it be best to use the rcbo instead of wiring it on rcd side with my socket circuits.
Also if I run twin and earth in the circuit at any point what should I do with the CPC? cut it back so it does not give the impression there is an earth on that circuit>
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Why is it such a problem getting a new cable back to the consumer unit?
How does the old cable get there?
Wiring of that age would often be in a conduit or a brick cavity...
Is this a bungalow?
How does the old cable get there?
Wiring of that age would often be in a conduit or a brick cavity...
Is this a bungalow?
Yes, that way if the RCD goes you will still have lights.
The property is a house and has a finished downstairs, the job I started was a simple decorate and warddrobe instal. After a query re lightiing, on investigation in the loft the main feed from to the CU seems to run down the cavity and under a load of boards I was not intending to lift.
I am concerned that if I start trying to pull the new cable through and fail this job could spiral out of scope. I have lost my bottle I know
I am liking the idea of choccy blocking the earths on any new cable runs I make in the upstairs circuit and fitting an RCBO. And at a later date maybe revisit the project for some T&E to go back to the CU at a more convienant time.
Thanks all for the prompt and informative posts, they have been a great help.
Keen to do a good job in most practical way..
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