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Discuss shower cable help in the Commercial Electrical Advice area at ElectriciansForums.net

G

gt67

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So we are redecorating our rental flat in preparation for a new tenant and “she who must be obeyed” has bought an electric shower to replace the old one that just had connections to the hot and cold feeds.

The manufactures destructions say that “in most cases it can be wired with 1.5mm” but I think this is a tad small so I was going to use min 6mm cable and leave a note taped to the cu stating the cable size used. I cant see anywhere in the instructions to say the power rating.

Before anyone says that I should not be doing this (as I am not qualified) I intend to get all the electrics tested by a qualified electrician (mate) as part of the landlords checks etc that have to be done.

In your professional opinion, is using 6mm2 cable ok or should I be using 10mm? I am going to call the manufactures later to get their view but I would rather have the views of the workers who do it.

Thanks for the advice
 
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S

Shakey

  • Thread Starter Thread Starter
  • #2
So we are redecorating our rental flat in preparation for a new tenant and “she who must be obeyed” has bought an electric shower to replace the old one that just had connections to the hot and cold feeds.

The manufactures destructions say that “in most cases it can be wired with 1.5mm” but I think this is a tad small so I was going to use min 6mm cable and leave a note taped to the cu stating the cable size used. I cant see anywhere in the instructions to say the power rating.

Before anyone says that I should not be doing this (as I am not qualified) I intend to get all the electrics tested by a qualified electrician (mate) as part of the landlords checks etc that have to be done.

In your professional opinion, is using 6mm2 cable ok or should I be using 10mm? I am going to call the manufactures later to get their view but I would rather have the views of the workers who do it.

Thanks for the advice
1.5mm:p

even clipped direct thats only 20A, which is only 4.6kW

10mm will give you 64A which gives you 14.7Kw

6mm will give you 47A 10.8Kw

note that these are all clipped diect, so no correction factors applied

how big is the shower?
 
G

gt67

  • Thread Starter Thread Starter
  • #3
It is this one and it doesnt come with a power rating:

Galaxy Showers - G2000LX

I have just spoken to their technical support team and they said it doesnt have a power rating as such which I find very supprising. They recon it is a 13A low power requirement one.

Thoughts?
 
K

KFORDHUNTER

  • Thread Starter Thread Starter
  • #4
Had a look at the instructions mate and the giveaway is that there is a hot and cold supply, therefore the water is heated throught the boiler instead of the actual unit, i would say and this is a guess that you are supplying power to a pump contained in the shower unit.

Do as the manufacturer says mate, i would spur off the ring main into a 3a fused spur and feed the shower from there, or tap into the lighting circuit and put a 3a spur before the shower whichever is easier, but make sure whatever circuit you tap into is covered by an rcd at the consumer unit, oh and make sure you have adequate bonding at your gas and water.

Hope this helps.
 
G

gt67

  • Thread Starter Thread Starter
  • #5
Thanks for the replies. I will do as you say and run a spur off the ring which has a 30mA rcd device at the cu.
 
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