continuity | Page 9

continuity

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  1. S

    Continuity of Final Ring circuit

    Hello chaps and chapettes, Continuity of final ring circuit I measured: L-L = 1.45 E-E = 0.8 but measuring N-N I got 108.8....???!!!!!! Any ideas..? Or are those readings good in my limited experience and consequently I'm an idiot. A out of date Cadbury's cream egg for the most sarcastic...
  2. M

    ELECSA Certification Scheme Ring final continuity readings and Elecsa assessment looming...

    Hi I have my Elecsa assessment in under two weeks and ive never felt so stressed in my life! I've changed my C.U. to use as my job as i thought it would be easier but im really struggling with the testing especially on the downstairs ring final sockets. Ive done end to ends and got Line 0.61ohms...
  3. P

    Testing fixed appliances

    Hi all, i've been asked to test a number of fixed appliances in a flat and haven't has any experience with these yet. I'm wondering do I just disconnect them from the wall and using my fluke 1651 multi meter do insulation and continuity tests at the flex going into the appliance or would you...
  4. H

    RS switch mode power supply

    Hi Guys, Has anyone come across this SMPS from RS, 445-107. Blurb says its class 1, because it has an earth pin. I cannot get a circuit from the earth pin to the '-' of the output. I have sent RS a question about this but have not had a reply. Must fail it as a class 1 appliance.
  5. J

    Please Help ! Ring fault finding

    Practicing for my 2395 C&G on a friends house tester KT63 6 month old he has 3 ring finals for sockets in his house, reason he asked me if I would test his house is that his RCD keep tripping out overnight ( once a week ) 1st Ring final Circuit is fine Circuit 2 has given me some results I...
  6. L

    ethos continuity tester

    I brought an ethos continuity tester from City electrical factors yesterday and I paid £50 for it as they guy said he woould do me a deal on it as he rekons they were £113 odd trade or something which just doesnt sound right. im thinking of taking it back and going for a fluke but just wondered...
  7. dnjr

    Bonding water mains

    Dear All I expect this is going to raise a few eyebrows but.. I know that is your unsure about an earth bond to a water main you can do a continuity test and look for a figure under 0.05 ohms. I have also read that you can do an IR test, under 23K ohms needs bonding and over 23K does not Now...
  8. J

    FLUKE 1652 Continuity Test

    Hello people. I'm a gold card holding spark with a commercial background (metal munchin'). Recently I've got a job 2nd fixing flats, no problems except i didn't have a test rig so i bought a Fluke 1652 one 2nd hand, had it calibrated and changed the batteries. The problem is with the...
  9. scarlet7

    Class 1 Earth Continuity for PAT test.

    Hi guys, When performing an earth continuity test on class 1 appliances can you get away with just using a 200mA current on every piece of equipment? Having been on the 2377 course they say to use 1.5 times the fuse rating upto 26A for non IT. Need clarification as to what is right...
  10. B

    using metrel mi3000 to do ring continuity test

    Hi all Just got a metrel mi3000. Was using it today to test a new cu job. But I'm confused...when I do continuity tests on a ring I can do tests on the crossed line and neutral using the plug adaptor but I can't use the plug adapter to do test on crossed earth and line!? This means I have to...
  11. L

    Supplementary bonding required with RCD's?

    Much discussed issue this one. Appreciate any comments. I let a small one bed flat out. Electric only ie no gas. Year back I had a new CU put in with all circuits on RCD's (RCBO for lighting). Accompanied by an EICR. Registered ECA sparks did the work. The EICR documents that the mains...
  12. F

    LEVEL 3 -Assignment Help for 3 faults - FIRST FAULT RING CONTINUITY

    Hello there, I'm currently taking my Level 3 and have been given an assignment to do which I have all most finished but I was wondering if anyone could use their infinite electrical knowledge and help me out with 3 faults that I need to identify and rectify? I will lay out below what I have so...
  13. E

    75 volts on earth

    Hi all , was doing a periodic on a domestic board. First I got 75V between the main earth and bonding earth . There was a L/E fault after clearing the fault I've tested between earths and now getting 8V. Is that acceptable , or is it still a fail . Thanx in advance.
  14. S

    Main Protective Conductors - Continuity and Connection Verified - Sighting Clamp

    Are there any circumstances when it might be acceptable to tick the "Continuity and Connection Verified" box of the Electrical Installation Certificate when there is no visual or physical access to the point at which the bonding (normally a clamp in domestic) is applied. If so what checks over...
  15. M

    Ring final continuity readings.............

    Hi all had a weird one today, actually make it two, tested ringfinal continuity at the board lives were 0.00 and so were neutrals, earths were the same too, not sure why, is it a ring that has been interconnected causing a duff reading?? Secondingly tested another property's ringfinal circuit...
  16. N

    r1 r2 through conduit

    Hi guys, as the title suggest how do u test the R1 R2 value or R2 continuity if the sockets are earthed via the metal conduit? Thanks guys
  17. 1

    Continuity testing

    To do a R1+R2 test you connect the Line and Cpc together and test at the furthest point. But on the test sheet I have there is also a box for just an R2 test aswell, how do you correctly do just an R2 test?
  18. T

    Earth Continuity Test - Current Through Probe?

    I noticed some sparking coming off the probe during earth continuity tests on class 1 devices when the probe is touched to the metal casing. I placed a clamp meter over the probe and got readings of up to 10 amps. I can also feel a vibration from the probe lead during the earth c test. It's...
  19. S

    just sat the 2395(hard work!) can i still sit the 2391??

    hi guys i really need your help on this one, I just sat the 2395 inspection and testing certificate( replacing the old 2391), but it was really hard and wanted to know if i could sit the 2391? But does the 2391 still run on the same format as asking the questions , i.e, procedure for...
  20. T

    What exactly is required to calibrate a voltage continuity tester?

    My company does not allow us to use our own voltage/continuity testers. Instead we must use the ones they provide for us. They're pretty cheap but do the job well enough. I have had my testers for just over a year and the label says that I shouldn't use them after that time so I handed them...

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