Supplying Outside Equipment

ml1936 · 3 Oct 2006

Is it ok to have 2 pumps and 5 40W lights oin garden, supplied from a 6A MCB on the RCD side of CU, without having any external fuses before the equipment, ie FSU?

JohnD · 3 Oct 2006

If it's already fused down to 6A by the MCB, you don't need to fuse it down again. If you put a 5A or even a 3A cartidge fuse in an FCU, the MCB would probably still trip either first, or at the same time.

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Supplying Outside Equipment

ml1936

JohnD

DIYnot Local

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