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Cable size

NGUACE
Hi all,


I am extending the lighting in my garden with no way of identifying the swa cable size? I have purchased some vernier callipers, measured the individual core to be 0.48, as there are 7 cores I work out the csa of the cable to be 1.26mm2.


Unfortunately depending on what table I look at, SWG, AWG, of which each seems to have a number of contradictory ones, I cannot confirm if it is 1mm2 or 1.5mm2.


the issue is I have spent days trying to find someone who stocks 1mm2 SWA, I assume due to cost no one uses it any longer as just  as cheap to get 1.5mm2.


re wiring with 1.5mm2 back from the rcd is not really an option, the cable is buried under concrete and having to re wire would mean drilling through the house and re laying a new cable?


so guess the short question is, anyone know of anyone selling 1mm2 SWA?


thank you all for your time and assistance.


Andy
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    NGUACE:

    Great response thank you.


    when I measured the core size and did the maths it did come out at 1.26? So maybe it is 1.5 after all? 


    thanks again


    if you measured 0.43mm and did the maths you get 1mm2, measuring 0.52mm gives you 1.5mm2 not much difference really, and the calipers might have "nipped" the soft copper.


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  • 0
    NGUACE:

    Great response thank you.


    when I measured the core size and did the maths it did come out at 1.26? So maybe it is 1.5 after all? 


    thanks again


    if you measured 0.43mm and did the maths you get 1mm2, measuring 0.52mm gives you 1.5mm2 not much difference really, and the calipers might have "nipped" the soft copper.


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