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yep, i think mine its 6mm. it has 7 copper strands and 1mm each copper strand. 13.19mm x 7.02mm grey sleeve. so 8.5kw could be fine. but just to be safe i gonna find another 7.5kw shower to replace with as i dont want electrician to replace the cable to higher rating as it will cost a lot of...

after turned off from the fuse box, the shower no longer starts. my mutimeter its a fluke 115 and i use it everyday on laptops repairs. i use ac mode on the mutimeter for checking home electrical.

why not, if the power is off from the fuse box. i've already checked with a multimeter.

damn, i dumb at math. each core has 7 copper strands and each copper strand is 1mm no idea how to calculate the cross sectional area. i think i'll leave it and get an electrician to find out for me.

13.19mm x 7.02mm does that mean it has 6mm cable?

Hello the current Mira 7.5kw shower is packing up, plastics has cracks and replacement parts are hard to find and so we thought we should upgrade to a 8.5kw shower. it has 40A mcb on the fuse box. how do i measure the existing shower cable, the prints on the cable are badly scratched so i...

excellent, thank you Matt for the explanation. will keep this post open if I need more help.

i think i got it now, 13v has moved to the middle and "-" is 0v" what is SCB, why is it on the new PCB is shorted by default?

Hello all :) the old box went half knackered, opened the main panel and found a burnt resistor. (a common problem with these units) then i went on amazon and bought a new replacement unit. from plastic moulding and internal box, the layout is the same, just the PCB has been refreshed...