Discuss Shower Cable in the UK Electrical Forum area at ElectriciansForums.net
BS7671 specifically permits paralleling cables, with certain provisos on cable route, type, etc. to ensure equal current sharing.I'd be interested to know if there's actually a reg that forbids it in the UK, I know there isn't in our domestic regs. As said already, it's common practice with cables in larger distribution networks but the logistics of ensuring identical lengths, routes and connecting a parallel cabled domestic final circuit would make it a bad idea.
I think id be more concerned about one of them being disconnected then overloading the remain one.
You will not need to worry in another few years because of the EU the power of vacuum cleaners are being restricted next they are going to restrict our power tools so soon your showers will be a maximum of 3KW and you will have a fine mist spray to that you reduce your need for so much water and then to round it off your bath towels will be the size of face cloths ! pmsl
As long as the two pull cords are tied together to ensure isolation of both at the same time.Cant see why the op doesn't go for 2 x 8Kw showers side by side with a 6mm T&E for each, LOL....
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