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Discuss Plastic cold water pipe distance from mains electrical cable in the Plumbing Forum area at UKPlumbersForums.co.uk.

  1. Mgrant

    Mgrant Member

    Is there a required distance that a plastic cold water pipe needs to be from a mains electrical cable. Is an armored cable.
     
  2. ShaunCorbs

    ShaunCorbs S. Mod Trusted Plumber GSR Top Contributor!!

    Mains cold eg alk or just a cold water pipe internally?
     
  3. Mgrant

    Mgrant Member

    Just a cold water pipe internally.
     
  4. Matchless.plumb

    Matchless.plumb Trusted Plumber

    I believe there is no proper regulation but the further the better. We do in Germany around a min of 50mm but haven't been there Plumbing for the last 5 years so perhaps changes have been made.
     
  5. Mgrant

    Mgrant Member

    Is only a tiny section were the pipes will cross. There not running parallel with each other.
     
  6. ShaunCorbs

    ShaunCorbs S. Mod Trusted Plumber GSR Top Contributor!!

  7. Harvest Fields

    Harvest Fields Trusted Plumber GSR Top Contributor!!

    I am sure that I have seen somewhere that it should be at least a 25mm clearance? @leesparkykent@leesparkykent
     
  8. cr0ft

    cr0ft Trusted Plumber GSR

    From a scan of 17th Edition Amdt 3 Wiring Regulations, there is no minimum clearance from a cold water pipe (regulation 528.3). For gas pipework the minimum clearances are 25mm from a cable to the pipe and 150mm from an electrical switch to the pipe.

    For hot water or heating pipework the regulations state: -

    'A wiring system shall not be installed in the vicinity of services which produce heat, smoke or fumes likely to be detrimental to the wiring, unless it is protected from harmful effects by shielding arranged so as not to affect the dissipation of heat from the wiring.' - Reg 528.3.1
     
    • Like Like x 2
    Last edited: Jul 13, 2017
  9. Harvest Fields

    Harvest Fields Trusted Plumber GSR Top Contributor!!

    I would still stick to the 25mm rule
     
  10. Mgrant

    Mgrant Member

    Was going to put a piece of lagging around the pipe were it crosses the electrical cable to try keep a distance.
     
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  1. regulation distance between water main and electrical main

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