insulation

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  1. yellowvanman

    PA Testing surge protection extension lead

    Try not to do PA Testing but had to do it today! Was doing the above today after a cottage got flooded. Lead didn't appear to be wet, but failed the insulation test @ 0.7Mohms, this was at a test voltage of 250V. Re-tried it with my installation tester at 100V and 50V and got the same...
  2. T

    Insulation resistance query

    Hi, quick question for you all, do u think it is posssible to have an ins res reading of 0.02 on live earth of a lighting circuit which includes em. lighting but neutral earth is above 10 megohms ? There is low voltage track lighting also installed on the circuit. Also can anyone explain the...
  3. vxwestie

    Voltage continuity tester

    Can anyone recommend a good voltage and continuity tester? Nothing fancy but audible continuity test would be handy. And perhaps with a carry case? The NICEIC assessor wasn't too impressed 18months ago with the state of mine and I must be due a assessment again soon..... i think it may have...
  4. Golden_Boy

    Stupid question? Re. Insulation resistance

    If when carrying out a "whole instalation" test from L+N to Earth the result is say 50 Megohms, and there are ,say,5 circuits would that mean that ALL the circuits pass the test or do each one still need testing?
  5. L

    Insulation Resistance Values

    Hi, I am getting a reading of Live to Live = 195 MOhms Live to Earth = 0.75 MOhms at the distribution board I am working on a Highway depot. Are these acceptable values? If not... what do I to? Thanks, Lasowski101
  6. M

    Loft wiring and insulation?

    Hi all. Our existing loft has had new insulation put in recently by the look of it, with the insulation covering the existing wiring. Am I breaking any regs or causing a potential hazard by fitting some loft boards for storage? Thanks guys.
  7. S

    insulation

    Just a quickly I hope, doing some domestic testing and found half ring is RM 102 other Half is totally surrounded by insulation and is on 32A ,shower and cooker are both totally in insulation 10MM and 6MMS on 40A and 32A. How would you record this on cert as I didn't have time to rectify at...
  8. F

    Insulation resistance

    Just want to see what other sparks think my nephew who is in his last year was telling me that there tutor was telling them that when your doing 3 phase circuits you use the 1000v range ???????????? Your thoughts please
  9. HandySparks

    Insulation resistance and continuity meter

    I'm thinking of buying a combined IR and continuity meter for fault finding on domestic and commercial installations. I'd like something that's smaller, lighter and easier to handle than my Fluke MFT and fairly robust. It would also act as a partial backup in the event that the MFT is out of...
  10. M

    Shower draw string power supply

    My showers draw string power supplys cord has stopped working luckily in the on position I opened the casing up and when I looked inside the brown live wire had a green kind of mouldy looking end and the insulation of the wire was blistered. Is this the sign of something more sinister I have...
    • Martin Fowler
    • Thread
    • cables electrician insulation power shower string supply switch terminated
    • Replies: 10
    • Forum: UK Electrical Forum

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