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Crimping of flexible cord conductors

PG
Like most of us, I often crimp flne strand conductors, especially for screw terminals but do not do this for domestic lamp holders and roses etc.

I thought that I would check Section 526 (Electrical Connections) of the Regs but did't find a clear statement of requirements for crimped ends. 

I was particularly unsure of what 526.9.1 was specifying for fine wire conductors "conductor ends shall be suitably treated".


Any guidance or comment would be appreciated.


Regards
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    The best treatment is the use of the insulated coloured ferrules, which I even use in plugs, of the correct size for your wires. There are two colour codes for size, either may be used or even a mixture! Packs of 100 of most sizes are only about £1 so there is little reason not to use them. The entrance is tapered so they are easy to fit and crimp, although some thin fine wires may need to be twisted first. They go up in size to at least 10mm2, needing a bigger crimper, but the 2.5 mm2 down tool is about £10 and like a pair of pliers. Try here https://cpc.farnell.com/c/ferrules or RS etc
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    The best treatment is the use of the insulated coloured ferrules, which I even use in plugs, of the correct size for your wires. There are two colour codes for size, either may be used or even a mixture! Packs of 100 of most sizes are only about £1 so there is little reason not to use them. The entrance is tapered so they are easy to fit and crimp, although some thin fine wires may need to be twisted first. They go up in size to at least 10mm2, needing a bigger crimper, but the 2.5 mm2 down tool is about £10 and like a pair of pliers. Try here https://cpc.farnell.com/c/ferrules or RS etc
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