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Which is best, long ring final with 2 spurs or short ring final with more spurs?
Former Community Member
Good afternoon, hope you are all well. I have been re-evaluating the number and position of sockets in my bungalow, and considering having a few more added for convenience. Currently I seem to have a relatively short ring with 2 long spurs. If I measure the new route for cables incorporating the existing spurs and new sockets, I anticipate a total cable run of about 100m. From what I gather on this forum this is the limit for a ring final per 100m square of floor. Question is, is this a good idea, or should the ring final be made to run a shorter route and add more spurs, not exceeding the number of sockets on the ring, in order to keep volt drop to within acceptable limits. Not being an electrician I have used online cable size calculators to see if my idea is anywhere close to being ok and they come back with a huge 25mm squared cable. I am clearly out of my depth here hence the question. As always, many thanks in advance. Kind regards, Simon
I am not quite sure what you mean by a total 100 m cable run, please clarify. For example, it could be 25 m x 2 round the ring and then a 50 m spur, or 48 m x 2 + 4 m.
I am not quite sure what you mean by a total 100 m cable run, please clarify. For example, it could be 25 m x 2 round the ring and then a 50 m spur, or 48 m x 2 + 4 m.
