insulation resistance testing

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  1. A

    Insulation Resistance Testing Ring Circuit

    Hello All, I am to install some extra sockets for a customer on a relatively new build. The insulation resistance test. I tested at 250VDC between line conductors connected and earth and obtained a reading of 1.10 ohms (not megaohms) Does this reading seem likely that a piece of equipment...
    • applesandppears
    • Thread
    • circuit insulation insulation resistance insulation resistance testing resistance ring ring circuit testing
    • Replies: 49
    • Forum: UK Electrical Forum
  2. D

    Insulation Resistance Testing Problems

    Been to a Job this morning problems with RCD tripping, Global IR came back 0.016, Split circuits down and lighting tested (Including outside tested 0.018) however tested again 0.567 and then 1.03 each time the figure increases until it sits about 1.14. Testing done L&N - cpc and then N-Cpc...
  3. B

    Insulation resistance testing with no cpc

    When doing a CU change and lights have no cpc. Every room has class 2 dimmers and lights. ceilings are like 20 foot tall. How would you guys go about Insulation testing? L&n to cpc ain't an option and removing all lights and bypassing dimmers is consequently going to take some time... What would...
  4. N

    Insulation resistance testing

    Hi guys, I obviously know how to conduct a IR test but I'm just looking for a few tips, I was doing a lighting d\b today and obviously I never did a L-N test as it was a massive building and not feasible to disconnect all lamps. It was a triple pole +N mainswitch so I isolated the board, it is...
  5. S

    Insulation Resistance Testing : Can someone proofread the below for me please ?

    Title says it all really. I've just qualified and unfortunately my college bombed through IR testing but before I even touch anything I want to make sure I understand it thoroughly. Can anyone please compare what I've copied and pasted below to the diagrams and made sure I've understood it...
    • Sharkster
    • Thread
    • below between connected fault insulation insulation resistance insulation resistance testing neutral please resistance someone testing through
    • Replies: 17
    • Forum: UK Electrical Forum
  6. R

    3 Phase Motor - Insulation Resistance Testing

    Hi all, Could someone please help with a query I have? At a factory I work in, we get a lot of damaged motors (due to it being a very wet environment), they are only quite small normally, varying around the 0.25-0.37kW size. Normally when I test them, I remove everything so I am left with the...
    • ryanm
    • Thread
    • 3 phase insulation insulation resistance insulation resistance testing motor phase resistance testing
    • Replies: 30
    • Forum: Commercial Electrical Advice
  7. i=p/u

    insulation resistance testing stanless steel

    in a cafe at present working and is a load of stainless steel in one corner for washing up etc.. i want to do a test to see if needs bonding im nearly certain i I r test from earth isco to stainless steel in question and test @ 500vdc and if under 22k ohms it should be bonded, is this info...
    • i=p/u
    • Thread
    • believe earth insulation insulation resistance insulation resistance testing remove resistance steel testing
    • Replies: 9
    • Forum: UK Electrical Forum
  8. C

    Insulation Resistance testing - again!

    Hi Getting used to Metrel tester and am getting used to testing and was just after advice on clarifying some points: 1 - FCU's with neon indicators on IR tests - whats the best way of disconnecting the neon lights on these if they cant be disconnected? Do I keep that particular FCU switched...
  9. P

    insulation resistance testing question

    If some of the circuits of a shower block for a big site have been tested for insulation resistance during constuction. what is the possible effect that insulation resistance testing the whole installation when completed have on values obtain on completion compared with for those circuits when...
    • paulthemagpie
    • Thread
    • answers insulation insulation resistance insulation resistance testing question resistance tested testing thought
    • Replies: 9
    • Forum: UK Electrical Forum
  10. S

    Insulation Resistance Testing Fluorescent Lights Etc

    The large domestic garage that I wish to test has a single lighting circuit with 6 fluorescent lamps inside and a floodlight with a PIR. It also has neons on each of the 2 way switches for the internal lighting and a neon on the switch for the outside floodlight with PIR. Any tips on how to go...
    • seftonbarn
    • Thread
    • fluorescent fluorescent lights insulation insulation resistance insulation resistance testing lighting lights resistance testing
    • Replies: 19
    • Forum: Lighting Forum
  11. S

    Insulation Resistance Testing (Whole board at the same time).

    Lads, I am soon to be doing an EICR on a large working mens club (not being paid in ale). My question is this...There is going to be lots of lamps i cant take out,equiptment still plugged in that i cant find etc etc so im gonna have to test between L-N to E . When carrying out the IR test at...
  12. B

    Insulation resistance testing - combined L & N test

    Good Morning all, When you are doing the combined L&N to earth test on a circuit that contains vulnerable items, do you record the result in all 3 columns ? And do you have to mark the results that you have done the combined test? Thanks
  13. 1

    Insulation Resistance Testing - Gremlins!

    How close have you come to losing the plot on site? lol I'm normally quite laid back when it comes to working my way through the faults that I have come across in my limited testing time. Today though? Oh my flipping ruddy bollards!!! I quite easily could have lost it completely ha ha...
    • 1shortcircuit
    • Thread
    • aus insulation insulation resistance insulation resistance testing resistance socket sockets testing
    • Replies: 2
    • Forum: Australia
  14. S

    Insulation resistance testing on sensitive equipment

    When doing an insulation resistance test on selv spots what's the best way to do it without disconnecting all the transformers? Can you do a complete consumer unit insulation resistance test by linking the live and neutral bars together and testing between earth on a 500 volt test or should...
  15. G

    Insulation Resistance testing of Emergency Lighting circuits

    This is proving to be a pain in the backside. It just impractical to disconnect the emergency, as they are hard wired. So apart from putting notes on the test sheets, how can I get good readings, at present I am getting 100 ohms on all conductors, with emergency connected. When the emergency's...
    • Guest 004
    • Thread
    • circuit circuits emergency emergency lighting insulation insulation resistance insulation resistance testing lighting resistance testing
    • Replies: 5
    • Forum: Periodic Inspection Reporting & Certification
  16. S

    Help with insulation resistance testing on a lighting circuit

    Just done a IR test on a light circuit,i test from the C.C.U fluke 1653B,500v, L-E reading 3.17Mohm,is that reading ok?
  17. J

    Query regarding insulation resistance testing

    Everything I have read so far about 'Insulation Resistance' testing only ever mentions 3 procedures: Line - Neutral Line - CPC CPC - Neutral But on the 'Minor Works' cert the first test it specifies, in the part pertaining to insulation resistance testing, is: Line - Line I've got the...
    • JamesBrownLive
    • Thread
    • doing insulation insulation resistance insulation resistance testing neutral phase query record regarding resistance testing
    • Replies: 9
    • Forum: Periodic Inspection Reporting & Certification
  18. P

    Insulation resistance testing and a code

    Hi, is there a list anywhere of fixed equipment that is vulnerable to IR testing eg could an electric shower be vulnerable? Also what code would you give a double socket and a single socket on the same unfused spur on an old installation - was this ever allowed on any older versions of the...
  19. J

    insulation resistance testing

    When carring out a Insulation Resistance Test on a 3 phase motor Circuit do you test the motor itself too or only the supply cable to the motor or is it the same as other circuits disconect the motor because it is the load? After the test what Final Safety Considerations should you have?
  20. S

    insulation resistance testing

    Can you guys tell me. Would you normaly removed light bulbs whilst do a insulation resistance test. Also what about fittings that use transformers?? Thanks.

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