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silverfox
50m 10mm T+E £170
10m 10mm T+E £35
50m 6mm T+E £ 75
This is just a question i wondered to myself, and so the length of runs could vary but as long as it conformed to 7671 and the joint in cable was necessary due to derating, then on a '50m' run you can save £60 or 1/3 of the cost of cable by this method. I would again like to stress I am not contemplating this as an installation I was just wondering and thought someone may be able to satisfy my curiosity.
Its not that simple. Are we pricing for a junction box as well. How long would it take you to mount the box and make it off.