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Correct cu for tt system????


meady

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Meady why not just install a CU with a main switch and RCBO's? saves messing about with multiple RCD's etc.

AndyGuiness Drink

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I did think of that but it would have worked out more expensive for the customer, she can't afford much so I said I'll get a good make cu but try to keep the cost as low as I can. The rcbo's would cost in the region of

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The only thin to point out with this CU is that it only has 2 nutral bars so no unprotected circuit

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The only thin to point out with this CU is that it only has 2 nutral bars so no unprotected circuit

All circuits need RCD on TT AFAIK

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I always point out that single circuits with Rcbo's is better than dual Rcd's if you have a fault as it is easier to find and will never put cooker circuit through Rcd through experience of nuisance tripping. It may cost a little more but remeber its you that will be called when things go wrong.

Batty

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