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  1. S

    Contactum RCBO won't trip during test

    Hi again, just considering whether I'm going crazy or I've got a duff RCBO. Perhaps someone will help me see the light either way. Quite prepared for the former! Installed it yesterday and when I got to doing the certificate I couldn't get it to trip. It's one of the ones with no earth wire...
  2. M

    RCD manual test button

    Right folks i've got a problem. Fitted a 63A 30mA double pole rcd (protecting outhouse)which is being fed from 63A s-type rcd(in house). Tested rcd in outhouse-doesn't trip. Tried manual test button as well-doesn't trip. Re-placed it and tried again.Same as before. Am i right in thinking...
  3. Y

    fuses with a push button reset

    Hi, I remember at college I was told that if you see old resettable cartridge fuses (the ones where a button pops out) to replace them - but I can't remember the reasons why??? I just said that they no longer comply to my customer but what actually is the reason? I hate not knowing and talking...
  4. J

    3 phase install

    I am installing a 3 phase hose swaging machine, just want to run through the install make sure i have it right, any suggestions welcome. i have been told it will require a 30a 3 phase supply 32A 3phase breaker type c 4mm 3core SWA From the board, wire to a 32a rotary isolator in 4mm swa...
  5. E

    Megger MFT 1552 what is the red probe used for?

    Megger MFT 1552 what is the red probe used for?
  6. T

    will kewtech kt61 or 62 do the job

    hi, going to book a napit part p assessment and want to spend wisely. will the kt61 be ok[cheapest], i now about only 500v instul test setting and will trip rcds. will this pass the assessment and would the tool be ok if not using day to day. also do i need a proving unit and fuse locking...
  7. B

    Rcd

    When visiting relatives house she mentioned RCD was tripping sometimes and would i take a look. MEM split board and had no tools so i got on chair pressed trip button and no trip, told her trip was probably faulty and would replace. Returned another day with few tools in car and replaced trip...
  8. I

    rcd test button

    iv just noticed a problem on me rcds where the red patch is when the rcd is on its showin white thn when i press the test putton to turn the rcd off the red patch comes up its the wrong way round will me asseser fail me on this?
  9. D

    PI / DAR button on Insulation Tester

    :)Guys, a bit of advice please I have the FLUKE 1507 insulation tester, and has a button on saying PI / DAR.. Does anyone know what this is for, as it does a constant Insulation Test over a period of 10 minutes, and was curious to what it can be used for. Thanks
  10. S

    megger1552 problem

    Just bought a second hand megger 1552, cannot get any insulation resistance readings, display showing flashing warning sign which according to the user guide indicates the lock is on, how do you turn it off. I cannot find anything in the manual to say how to turn it off. Any help appreciated.
  11. M

    Fluke 1651

    hi there Been offered one in almost new condition for £300 only thing is the calibration cert has run out. I have looked online and best price new I have found is around £400inc vat Am I right in thinking the only real difference to the more expensive models is the auto RCD test sequence...
  12. M

    fluke 1653

    i need feed back about the fluke 165x series multifunction tester....anyone haveing problems with them error 5....>2000 ohms...inconsistant readings..etc...etc

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