electrical supply for hot tub help

714gold714 · Jul 7, 2011

hello there first time poster here so go easy on me

Got a job to look at and was wondering if you guys could help got a hot tub supply to run in, I was thinking of coming out of existing fuseboard and running a 4mm cable to the shed with rcd consumer unit with earth stake. the thing I need abit of advice on is the hot tub would need some sort of isolation the guy said its needs to be 25amps supply so odviously a normal switch fuse would not be up to the job and was thinking of fitting a rotary isolator? would this be ok and where abouts would it be ok to fit the isolator? due to zones. Sorry I have not done a supply for a hot tub before so just looking for advice. The job will also be signed off.

any help appreciated

IQ Electrical · Jul 7, 2011

714gold714 said:
hello there first time poster here so go easy on me

Got a job to look at and was wondering if you guys could help got a hot tub supply to run in, I was thinking of coming out of existing fuseboard and running a 4mm cable to the shed with rcd consumer unit with earth stake. the thing I need abit of advice on is the hot tub would need some sort of isolation the guy said its needs to be 25amps supply so odviously a normal switch fuse would not be up to the job and was thinking of fitting a rotary isolator? would this be ok and where abouts would it be ok to fit the isolator? due to zones. Sorry I have not done a supply for a hot tub before so just looking for advice. The job will also be signed off.

any help appreciated

A rotary isolator's perfect, out of reach from the hot tub.

The rest of your proposal sounds fine, electrode at load end, 30mA RCD protection.

Ponty Massive · Jul 7, 2011

Rotary isolator will be fine (IP44). There is normally a control panel built on the side of the tubs housing electrionics, pumps etc. I've place one in here before.

HTH

Ponty