Hi, I need to run a wire steel armoured cable underground from my domestic consumer unit to a caravan in my garden. The run is 50 meters and the caravan is basically going to be used as an extra bedroom for family visits. Can you please advise me correct cable I need to purchase.
Which cable please
- Thread starter mulberry
- Start date
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Do you know the load requirements for the caravan?
Are we talking lights and a socket
Or are we talking lights, sockets, electric oven, fridge, toaster, electric shower?
Have you considered that this work needs certifying so you need to get a spark on board?
Are we talking lights and a socket
Or are we talking lights, sockets, electric oven, fridge, toaster, electric shower?
Have you considered that this work needs certifying so you need to get a spark on board?
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Sadly while im all for diy and there is an argument that anything is better than throwing an extension out of the back door, but the time you have bought the cable/terminations/sockets/etc even to do it with an exported earth there is a lot to be said for paying for it to be installed corrected and by someone qualified to do it.
Ditto as said, for a permanant socket intended for regualar use with a caraven the earthing arrangment should be done correctly else there is a genuine risk in the event of a loss of supply neutral.
However, if its going to be run underground, you would certainly save money by digging the trench yourself, which is something you can do. The electrician will be able to run through the requirments on trench depth etc.
Daniel
Ditto as said, for a permanant socket intended for regualar use with a caraven the earthing arrangment should be done correctly else there is a genuine risk in the event of a loss of supply neutral.
However, if its going to be run underground, you would certainly save money by digging the trench yourself, which is something you can do. The electrician will be able to run through the requirments on trench depth etc.
Daniel
You haven't changed your house name to Dale Farm have you? 
Section 9 (4) here: http://www.legislation.gov.uk/uksi/2002/2665/pdfs/uksi_20022665_en.pdf makes it illegal to connect the metalwork of a caravan to a PME system
This is for the distribution network. Neverthless connecting a PME sourced earth to a metal caravan is not sensible.
If the PME sourced earth becomes detached from earth ( failed neutral ) then the earth wire becomes hazardous to anyone touching true ground. Inside the house this is not a serious hazard as in the average house contact with the ground is not ( normally ) possible. Connect a caravan body to the PME earth wire and if the supply neutral fails the body of the caravan can become hazardous to anyone outside who touches it.
Earthing the caravan directly to earth using an earth rod is therefore safer providing the earth rod is effective.
This is the 16th not 17th ed sadly, but the outline is simular.
Im not an electrician, but am passing what I found when asking simular questions.
http://www.tlc-direct.co.uk/Book/7.9.3.htm
Daniel
Im not an electrician, but am passing what I found when asking simular questions.
http://www.tlc-direct.co.uk/Book/7.9.3.htm
Daniel
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