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Do-It-Yourself (DIY) Question & Answer Forum
Spurs on a radial
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<blockquote data-quote="sellers" data-source="post: 142158" data-attributes="member: 2357"><p>Its all down to currenty carrying capacity of the cables, for example on a 2.5 ring, the circuit protective device is 32amps. As there are 2 lots of 2.5 to every point. The reason why you can only have 1 unfused spur on a 2.5 ring is due to the fact the cable can only carry a safe max of 27amps, with 1 double socket on the end of that the max you could put through it would be 26amps.</p><p></p><p>As for a radial, you can go where ever from wherever you want. Obviously point to point is best practice and you shouldn't over load sockets with cables usually 3 max, and JB's usualy 4. But there is no limit to how many JB's you can have allthough its just not ideal, the less connections the better.</p></blockquote><p></p>
[QUOTE="sellers, post: 142158, member: 2357"] Its all down to currenty carrying capacity of the cables, for example on a 2.5 ring, the circuit protective device is 32amps. As there are 2 lots of 2.5 to every point. The reason why you can only have 1 unfused spur on a 2.5 ring is due to the fact the cable can only carry a safe max of 27amps, with 1 double socket on the end of that the max you could put through it would be 26amps. As for a radial, you can go where ever from wherever you want. Obviously point to point is best practice and you shouldn't over load sockets with cables usually 3 max, and JB's usualy 4. But there is no limit to how many JB's you can have allthough its just not ideal, the less connections the better. [/QUOTE]
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Spurs on a radial
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