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  1. B

    one side of the 13a double socket is giving me a trip reading for zs

    hi im doing second fix on one of the re-wire house, down ring and today i was doing my zs test i tested all sockets but one side of the twin double socket is reading trip then the other side of the same socket is fine,im useing megger mft 1553(no trip) setting.pls help
  2. U

    Underfloor Heating

    Hi, Now I understand that this question may seem pointless, so humour me anyway... A lady had underfloor heating installed about 10 months ago along with her new kitchen... I was there for the kitchen install but didn't do the mats, there are two mats serving her kitchen and utility room...
    • ultinator
    • Thread
    • connected heating kitchen probe programmer reading underfloor underfloor heating
    • Replies: 5
    • Forum: UK Electrical Forum
  3. J

    Induction hob possible fault!

    Hi all, can anybody help me out? ive been investigating an intermittent fault that causes the bottom rcd of a 20 way dual rcd cu to trip approx every 8/10 days. (Really annoying fault to trace).. i used a mili amp clamp meter today to measure the leakage to earth from the bottom row and got a...
    • Jimathome
    • Thread
    • circuit clamp earth fault hob induction induction hob meter possible reading
    • Replies: 13
    • Forum: UK Electrical Forum
  4. S

    Loop test with fluke three wire ??

    Can anyone shed any light. Just done loop test with fluke L-N-E setting L-PE. Reading was 8.66 ohms. Have reported high reading to DNO who sent engineer out. He then tested two wire L-E and read 0.13 ohms. this iss not the first time with high reading on my tester and has recently been...
  5. N

    Eicr's

    Evening all, I'm reading up for 2395, when doing EICR'S and IR tests, when removing neons, lamps and sensitive equipment are things like electric showers, water heaters ect classed as sensitive. Do most people remove all these items or prefer to connect L+N together and test to earth at 250V...
  6. S

    11-12 volts reading across line and earth

    trying to trace an earth fault in a friends home today after the RCD in the single ring main suddenly and persistently started tripping why might I see 11 to 12 volts across line and earth on some sockets? are there any tips regarding finding the earth fault? have broken the ring and...
    • Sting Ray
    • Thread
    • across circuit earth fault reading sockets tester volts
    • Replies: 29
    • Forum: UK Electrical Forum
  7. M

    Busbar 'ductor' testing

    Just been asked to carry out a busbar 'ductor' test on a new busbar installation , I understand it's a form of low resistance test checking the joints etc... But have'nt a clue how to test it ?! I know you use a 'ductor' tester but that's about it ! any tips or help would be much appreciated lads
    • Micksparky25
    • Thread
    • busbar reading roman testing times
    • Replies: 7
    • Forum: UK Electrical Forum
  8. C

    AM2 Questions

    Hi all, I have my AM2 on Monday and I am just after some last minute tips and advice. I also have a few questions I could do with answering. 1. When testing PFC on a 3 phase board, is it nessecery to double the reading between Phase-Neutral to gain the Phase-Phase reading? and why? 2. When...
    • cackfod
    • Thread
    • am2 current neutral phase questions reading times
    • Replies: 3
    • Forum: UK Electrical Forum
  9. S

    High reading on grey phase, all across a large site

    Ive come across an issue on a large site i work on. May be something simple, but im struggling to figure out what the problem could be. The site has a HV ring and 6 HV-LV sub stations. This is usually split. I have noticed in the last few months that when testing for an earth loop reading on the...
  10. T

    Is this EICR OK?

    I've had an EICR done on a house, with an unsatisfactory result due to low insulation, so I've been getting quotes to rewire. Bit when I looked at the EICR in detail I noticed that every insulation value on four circuits was identical at 0.5 Megohms. I thought this was unlikely so I asked...
  11. S

    Unstable IR reading

    Hello, New to the forum. Advice please. Just run a new circuit of 6mm cable from a 32A MCB, on an additional new CU, which is to run a SPA in a back garden. There is a shut off switch installed for the Spa and an additional fused spur with sockets in an IP rated enclosure. All readings fine...
  12. TheSilverSpider

    Low Insulation Resistance reading of 0.63 MOhms , what does this indicate?

    on a ring testing Insulation Resistance L-N shows 0.63 Mohms but L-E is ok. I checked with the home owner that nothing was switch on, nor plugged in still.( its a 3 bed semi, looked every nook and cranny) Is that kind of reading tell tail of anything causing that in particular, or is it a case...

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