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7 STRAND TAILS V 19 STRAND

John Peckham
I changed a consumer unit  a week ago and for the first time used 19 strand tails instead of 7 strand tails. I have to say they are much easier to use and manipulate in tight spaces. I think they are a much better for terminating in a cage clamp as they fill the space under the cage making more contact than 7 strand.


I purchased them from Tool Station and found they were made by Doncaster cables. A bit more expensive than 7 strand but worth the extra money. 


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    The Doncaster Cables Data sheet says that their 6181Y cables including the 19 strand 25mm2 cables are either class 1 or 2.  As the smaller sizes are single strand the rest according to Doncaster are Class 2.  "Plain Annealed Copper Class 1 or 2 to BS EN 60228 "

    The data sheet is a bit awkward to find  http://www.doncastercables.com/uploads/6181Y_Datasheet.pdf 

    Its described as a National Type.  Does this give them some wiggle room.  OFC no one would quibble with the termination of a 6mm2 6181Y cable in a consumer unit.  This has 7 strands of small diameter than the 19 strand 25mm2 - perhaps there is a clue here.

    I have used this cable too and I agree its much easier to use than the 7 strand.  I did ask Wylex about it but am still awaiting a response.....


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  • 0
    The Doncaster Cables Data sheet says that their 6181Y cables including the 19 strand 25mm2 cables are either class 1 or 2.  As the smaller sizes are single strand the rest according to Doncaster are Class 2.  "Plain Annealed Copper Class 1 or 2 to BS EN 60228 "

    The data sheet is a bit awkward to find  http://www.doncastercables.com/uploads/6181Y_Datasheet.pdf 

    Its described as a National Type.  Does this give them some wiggle room.  OFC no one would quibble with the termination of a 6mm2 6181Y cable in a consumer unit.  This has 7 strands of small diameter than the 19 strand 25mm2 - perhaps there is a clue here.

    I have used this cable too and I agree its much easier to use than the 7 strand.  I did ask Wylex about it but am still awaiting a response.....


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