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Why isn't there a 3186Y Cable (6-core)

AncientMariner
Why isn't there a 6-core cable in the 318nY style, ie 3186Y?


There is a 3185Y 5-core where the cores are Black, Blue, Brown, White & Green/Yellow and a 3187Y 7-core where the cores are Black, Blue, Brown, Grey, Red, White & Yellow.


Also a 5-core cable where one of the cores is NOT Green/Yellow?


It will, I guess, be down to demand, but for rewiring say a Siemens Wireless Thermostat where the Receiver Unit needs L + N  together with c + n/o & n/c  a simple 5-core cable would be so much more straightforward.


(Due to occasional unreliability, I need to re-position the Receiver Unit the other side of a brick wall lined with foil backed plasterboard.)


Clive
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    You just never know when a spare core might come in handy. I am lucky to have an independent local electrical wholesaler that will cut me any length of flex or cable from a drum and just charge pro rata discounted drum pence per metre. I do not have to stock drums of rarely used multicore flexes. Having said that I do use 5 core heat resisting flex quite a lot for heating systems, and recently for an oil boiler supply where I had to connect L., N., E., H.W., and C.H. at the boiler supply plug. It was nice to have separate  H.W. and D.H.W. cores at the main junction box wiring centre, as this aids fault finding or alteration in the future. Previously the H.W. and D.H.W. L. had just been linked together.


    Z.


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  • 0
    You just never know when a spare core might come in handy. I am lucky to have an independent local electrical wholesaler that will cut me any length of flex or cable from a drum and just charge pro rata discounted drum pence per metre. I do not have to stock drums of rarely used multicore flexes. Having said that I do use 5 core heat resisting flex quite a lot for heating systems, and recently for an oil boiler supply where I had to connect L., N., E., H.W., and C.H. at the boiler supply plug. It was nice to have separate  H.W. and D.H.W. cores at the main junction box wiring centre, as this aids fault finding or alteration in the future. Previously the H.W. and D.H.W. L. had just been linked together.


    Z.


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