I would like to thank all for the info recived. I have takin the advise and since im not a qualified spark. im calling one in. But now i know what to watch out for so i dont get done.
Cheers Guys
As i said before the information is just tae stop me gettin ripped off. so thank you for all your help and information. I have ensured all the terminals are tight the ones inside the shower unit were a wee bit loose so tightend them up. I will get spark tae upgrade the 40amp mcb to 45/50.
Sorry ma info was inaccurate. I have checked the consumer unit. The main supply is protected by 63Amp RCD and the shower is connected to a Clipsal B40A MCB.
As for the wiring it is all 10mm the Consumer unit has 40amp RCD cable run is about 10meters and 1mtr from switch tae shower. the switch is 45 amp MK type so good quality.
I cut back the wire to clean copper and tightened up as much as possible. The wires are heating up in the switch.
But really heating up from the terminal block in the shower to the shower internals.
I do understand basic elec. just starting to wonder if 10.5kw shower is too much for circuit.
I have a 10.5kw shower that was fitted over two yrs ago. Recently the pull switch stopped working so i replaced it. When i removed the old one it looked melted and black as if fire had started. The wiring is 10mm coming from CU 40amp RCD. in to a 45Amp pull switch. When the shower is run the...