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4mm Radial off a 32A Ring

WireWeHere

The ring is 2.5mm fed by 32A MCB. I know that I can run a single fitting (e.g. 2-gang socket) off a ring as a spur. Alternatively, I believe I can run a fused radial off the ring as the fuse stops excessive current doing down the radial. However, can I run a 4.0mm radial (unfused) off the ring as a 4.0mm radial is rated to carry 32A (single phase)? It feels logical as you can have a 32A 4.0mm radial on its own and the ring supports 32A. I appreciate logic doesn't always apply though.

Parents

  • Looks OK to me, but as Mike points out, the terminals may not accept all of the cable. BS 1363 accessories need only accommodate 8 mm², but some (e.g. MK) accept 12 mm².

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  • Looks OK to me, but as Mike points out, the terminals may not accept all of the cable. BS 1363 accessories need only accommodate 8 mm², but some (e.g. MK) accept 12 mm².

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