Shower upgrade and mcb size

[Paul Lathan]

Hi there.I am looking to upgrade my daughters shower in her flat.The shower is a 7.5kw at the moment,but is struggling with producing a decent temperature with the weather as it is.I was aanting to put in a 9.5kw instead.I have checked the cable from the mcb to the pull switch,and by posts i have read,seems to be 6mm.This runs about 6 feet to the switch,and another 6 feet from the switch to the shower.I have added photos of the fuse which is on its own board,which reads 63A.Am i missing something,as I was prepared to upgrade 6mm to 10mm,but unsure why such a large fuse.Any help would be greatfully received.cheers

 

[Dave OCD]

I'd also just double check that as the existing shower is a 7.5kW that the existing cable is 6mm and not 4.....

 

[Wilko]

I wouldn't say that, all the information needed is online to do this job.

I was thinking that some level of supervised work experience would be a prerequisite for the design, installation and testing of electrical equipment. Perhaps I am wrong?

 

[Bobster]

I was thinking that some level of supervised work experience would be a prerequisite for the design, installation and testing of electrical equipment. Perhaps I am wrong?

I'm being pedantic.

Of course it's easier to learn under supervision, but it's only basic maths and being able to and have access to in most cases fairly simple data.

 

[buzzlightyear]

what I like to know is the land lord ok with this if it is rented out to his
daughter, and ripping out the said cable to the shower .and put a bigger cable for a shower like Niagara falls!