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Twin & Earth PVC Cables in Light Commerical Building

DevV

I visited a Highstreet ground floor building which has plans to be refurbished from a restaurant to a bathroom showroom. The electrical installation has been carried out in 2021 using twin & earth PVC sheathed cables. Because of the Covid pandemic the restaurant owners never opened and the electrical installation is not fully complete with the final fix of the wiring accessories still required. There is no electrical installation certificate. (Final circuits have all been wired into distribution boards). There is suspended plasterboard ceiling throughout.

The new owners are planning to refurbish the restaurant to a bathroom showroom with the intention to utilise the existing twin and earth PVC wiring and get an electrical installation certificate.

Question: Is twin and earth PVC sheathed cable suitable? Their electrician has told them he will not be able to provide them with an electrical installation certificate because cables need to be LSF type without giving them a reason why.

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    Hi DevV. Due to its fire safety advantages, LSHF cable is preferable for use in areas with high fire risk. T&E PVC Might be unsuitable in a high street building with restricted exit routes. There is no specific regulation for a bathroom showroom. Reg 422.6 talks about locations of national, commercial, industrial or public significance needing cables with improved fire resisting characteristics. Have a read through chapter 42 to see if any of those regulations apply to your installation.

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    Hi DevV. Due to its fire safety advantages, LSHF cable is preferable for use in areas with high fire risk. T&E PVC Might be unsuitable in a high street building with restricted exit routes. There is no specific regulation for a bathroom showroom. Reg 422.6 talks about locations of national, commercial, industrial or public significance needing cables with improved fire resisting characteristics. Have a read through chapter 42 to see if any of those regulations apply to your installation.

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