Electricians Liverpool - Orrell Electrics NICEIC approved

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Installing Shower Cabling

Orrell Electrics have attended several faulty shower circuits in the last few weeks whilst on emergency call outs, all with the same outcome.

Our emergency electricians repeatedly reported seeing this issue reoccuring.

The cable used to feed the showers has been too small, too many people install 6mm twin and earth when the correct cable should be 10mm twin and earth for the size of the shower in question.

Anything below 7.5 Kw is fine for a 6mm cable but above that rating and you need to install 10mm ie a 9.5Kw shower.

At first the cable will be fine but over time as the cable is unable to deal with the load it will deteriorate and usually in the process the first signs are a faulty shower pullcord or switch as seen below




Notice how the insulation has completely melted away from the copper, this is caused by the cable getting extremely hot as it is not able to handle the current passing through it.

You should always examine the rating of the shower to see if the cable is sufficient to handle the load or alternatively call in an approved electrician, this is the shower in question:



As you can quite clearly see the shower is marked 240V - 8.5 Kw 

One reason for this problem is the installation may originally have had 6.5 Kw showers with 6mm twin and earth cable which was fine but if the shower was upgraded at a later date the customer would have to rewire the supply to the shower, the added expense of this could be too much for some customers but in the long run would probably cost more as it will usually at the same time cause damage to the shower unit in question as well as replacing the shower pullcord.

For this reason Orrell Electrics always insist on installing 10mm twin and earth cable to 'future proof' the install in case of this scenario.

If you are thinking of having an electric shower installed or upgrading your shower unit why not give us a call, the very least we can do is check it out for you to give you peace of mind, also we can check over your property for you and give you  an assessment of your electrical installation.

We always provide a full NICEIC certificate with all our installations to give you added assurance your wiring is up to the latest IEE wiring regulations.

Gary Price 
Orrell Electrics
www.orrellelectrics.co.uk

0151 526 9998

Visit our links at the top of the page.


Location: 163 Altway, Aintree, Liverpool L10 6LA, UK

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