I agree as ive tried various alterations to current voltage also just based on the hot tub without any additions but the length of run is the limiting factor.
Feel bit sorry for bloke and doubt he will pay for upgrade, and im not planning on doing works.
Was just thinking if in theory by doubling the existing cores would improve the current installation.
Hi, looking for some advice,
6mm swa allready installed to a hot tub
Client now wants additions and my calcs say the original swa is allready too small.
26a but its120m run, im advising 16mm 2core.
However the swa installed is 4 core so was thinking of doubling cores together to save on time/...
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