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disconnect

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  1. Mark.W

    Minor work IR

    Chaps I replaced a single socket for a double socket for a customer today, and whilst doing the IR tests noticed that the Line/Neutral reading was low. The readings were: L/N 0.95 Mohms L/E 97.6 Mohms N/E 87.4 Mohms I checked and made sure that nothing was plugged in on the ring and noticed...
  2. R

    Testing floods with P.I.R's

    When testing IR on a circuit spplying some outside floods with built in pir's, Is there any other way other than disconnecting the p.i.r in the fitting's?
  3. M

    Neutral CPC short circuited in PME system, is that correct?

    HI Doing a test with a voltage detector/continuity tester on live PME/TN-C-S system installation at a socket outlet either with load and without the load shows voltage between live and neutral and live and earth but live-earth seems to be short circuited and the continuity tester indicates...
  4. C

    Disconnect appliances before RCD testing?

    Hi everyone, I was with Chief Big Spark at work doing some periodic inspection and testing on units. Chief was doing the testing, I was giving him emotional support cos were using his meter and he doesn't like others looking at it or tocuhing it. Very possessive, poor thing. He says he has...
  5. C

    smoke alarms vunerable to ir test?

    hey all!! would a smoke alarm circuit be vunerable or give out false readings on the live insulation resistance test? or is it worth me just connecting the lives and testing to earth? well and the interconnecter. cheers all :)
  6. M

    17th Edition - Max Disconnect Times

    Done my 17th but slightly confused following a conversation since course. Guidance Notes 3 give you a combined table for 0.4 & 5 secs disconnect times, but regs still seperate the two. Heard recently that we only have to bother with the 0.4 disconnect time for all circuits. Any thoughts

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