Hello, I Have 6mm shower cable running through spare room, this is connected to 40amp breaker. My shower now runs off boiler so could I run a spur off this? Thanks.
can I run sockets off unused 6mm Shower cable?
- Thread starter Wednesburybloke
- Start date
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Is it RCD protected?
Does the route comply, if it's concealed?
You should fit a lower rated MCB.
Does the route comply, if it's concealed?
- http://www.voltimum.co.uk/files/gb/attachments/niu/l/attachments/c5-43.pdf
- http://web.archive.org/web/20061110111450/http://www.niceic.org.uk/downloads/concealedcables.pdf
- IEE article
- Current Wiring Regulations requirements for concealed cables.
You should fit a lower rated MCB.
Final circuits for sockets are;
A1 Ring, 30 or 32 amp overcurrent device, minimum cable size 2.5 mm2.
A2 Radial, 30 or 32 amp overcurrent device, minimum cable size 4 mm2.
A3 Radial, 20 amp overcurrent device, minimum cable size 2.5 mm2.
Therefore, you would (I assume) be simply extending the shower cable and keep it as a radial, A2 or A3.
If you extend the circuit in 4 or 6 mm2, fit a 30 or 32 amp in place of the 40 amp.
You may well prefer to extend the circuit in 2.5 mm2 cable, as it's cheaper and easier to work with. In this case fit a 20 amp in place of the 40 amp.
A1 Ring, 30 or 32 amp overcurrent device, minimum cable size 2.5 mm2.
A2 Radial, 30 or 32 amp overcurrent device, minimum cable size 4 mm2.
A3 Radial, 20 amp overcurrent device, minimum cable size 2.5 mm2.
Therefore, you would (I assume) be simply extending the shower cable and keep it as a radial, A2 or A3.
If you extend the circuit in 4 or 6 mm2, fit a 30 or 32 amp in place of the 40 amp.
You may well prefer to extend the circuit in 2.5 mm2 cable, as it's cheaper and easier to work with. In this case fit a 20 amp in place of the 40 amp.
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