I will be building a garden office shortly. It will be 5 metres from the house and I'd like advice on the supply cable please. I think I have two options: Run 15 metres of 2.5mm 2 SWA from the consumer unit in the house to the CU in the garden building Run 5 metres 2.5mm 2 SWA from the garden building to a Wiska box on the house wall then 10 metres of 4mm 2 T+E to the house CU Are there any strong reasons for choosing one or the other? Is it practical to connect SWA to a consumer unit? Thanks, Mike

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Wiring a garden building

I will be building a garden office shortly. It will be 5 metres from the house and I'd like advice on the supply cable please.

I think I have two options:

Run 15 metres of 2.5mm²SWA from the consumer unit in the house to the CU in the garden building

Run 5 metres 2.5mm²SWA from the garden building to a Wiska box on the house wall then 10 metres of 4mm²T+E to the house CU

Are there any strong reasons for choosing one or the other? Is it practical to connect SWA to a consumer unit?

Thanks,

Mike

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