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Electrician query......

Does an electrician have some sort of gizmo that will tell him which cable is which?

An electrican is coming to me next week to sort out the mess of cable and insulating tape I found behind my walls once I ripped the plasterboard off. Apart from the obvious joins, my other concern is that there are spurs running off spurs and I'm wondering if there is a way to suss this out with a meter of some sort, or if I need to go lift the loft flooring and move the insulation so he can physically see and trace where each cable goes?

I'm kinda dreading the answer, my loft is crammed. :(
Herman - MP for all! :)

Comments

  • Yes, he can use 'tone and trace' - a tone generator is clipped onto a pair of wires and it can be traced with an inductive listener along its length. More widely used for tracing phone wires - it can work over distances of miles and in cabinets with thousands of pairs.
    A kind word lasts a minute, a skelped erse is sair for a day.
  • C_Mababejive
    C_Mababejive Posts: 11,668 Forumite
    Part of the Furniture 10,000 Posts Name Dropper Combo Breaker
    A competent electrician will always know his trade.
    Feudal Britain needs land reform. 70% of the land is "owned" by 1 % of the population and at least 50% is unregistered (inherited by landed gentry). Thats why your slave box costs so much..
  • aliasojo
    aliasojo Posts: 23,053 Forumite
    Part of the Furniture 10,000 Posts Combo Breaker
    I wonder if that tone generator mentioned above is something a standard electrician would carry?
    Herman - MP for all! :)
  • brig001
    brig001 Posts: 398 Forumite
    Part of the Furniture 100 Posts Name Dropper Combo Breaker
    I wondered that, but if they didn't I would go and get one myself http://www.maplin.co.uk/Module.aspx?ModuleNo=46536 under £30 and you could probably sell it to the electrician after!
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