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Electrical

Wiring in conduits

My Sister in law and here husband live in a housing association flat. They have recently had the lighting re-wired by a contractor (paid for by the housing association) but rather than put the wiring into the walls as I expected they have simply run plastic conduit around the walls and ceiling and the wiring is in this.

Can this possibly meet building regulations

3 Answers from MyBuilder Electricians

This is perfectly legal. As I understand it, such cabling must be in some way protected. This is either 'chased in' or 'trunked'. In this case it has been trunked, which probably saves the HA money and thus affords other tenants due repairs and alike in the financial year.

Hope that helps, thanks, Jason.

2015-11-15T21:55:01+00:00

Answered 15th Nov 2015

Yes, this is perfectly safe and meets regulations. Councils and similar organisations often do this to save time and money. Its not the nicest cosmetic finish but it avoids having to chase in walls, re-plaster and decorate etc.

2015-11-15T21:55:01+00:00

Answered 15th Nov 2015

Hi, yes it meets the regs. If the conduit is metallic then it would need to be earthed. The cables inside would be called 'singles' where as they are long thin and individual, but most of all only 1 coat of pvc insulation thus meaning they need to be contained. I.e 1 live 1 neutral and 1 earth to supply a lighting circuit and so on.
Other more popular cable used in domestic properties is of a flat design known as 'twin with earth'. This has a pvc outer structure while the live and neutral are insulated to the colour of say brown and blue. The earth in this cable is bare and so a sleave is added that is green and yellow .
This means that a twin and earth cable is double insulated due to the conductors being effectively double wrapped so this cable under the regs doesn't need to be contained in pvc or metallic trunking or conduit .
It could be clipped to a wall or be wired through beams and so on.
I hope this helps. Nick Page Electrical Services.

2015-11-15T21:55:01+00:00

Answered 15th Nov 2015

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