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leakage

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  1. moose

    Smart Board Projectors

    Can anybody please help me as im one who does try to do the job correctly, but im unable to find the correct answers anywhere. The issue is this, i have tested a number of Smart board Projectors and the readings are example of 4. 1 - 3.4mA 2 - 3.6mA 3 - 3.2mA 4 - 3.6mA very close to the...
  2. M

    Harmonics and tripping RCD

    I have just completed an installation on a fruit farm which all tested 100%. There are 3 x 3 phase pumps 32a 41a & 41a, only 2 run together at an one time. When the second pump is started the 100A 100mA trips out. The pumps are run from variable speed controllers on a three wire system, no...
  3. rich.250

    Rcd discrimination

    Hi guys. Called to very strange call out today, cannot get around why and what exactly is going on. Heres the set up, TT system with a rod at 51ohms. 100mA s type rcd upfront feeding 2 units. A switch fuse to a submain for the main house db and single 30mA rcd board feeding the rental part...
  4. N

    Using Dilog DL6507 earth leakage clamp meter.

    Evening all, I've just brought a Dilog DL6507 Earth leakage clamp meter. Got to get used to using it, but does anyone know what the on/off switch on the side does, as it does not do as you would think. Cheers.
  5. A

    Possible Job For Tomorrow

    Reported as occasional trip of an RCD. Leakage current noted 2.5A when cooker switched on (which is on a 30mA RCD). Could be interesting.
  6. P

    RCD tripping. Give me a clue!

    Hi Guys A Happy 2014 to you all. I've recently had two calls to trace the cause of intermittent tripping in domestic installations, and failed miserably! The latest - 4 way box feeding garage, utility room, garden shed. Customer reckons it sometimes trips when they switch the light on, but can...
  7. L

    Radial Circuits

    Hi All, quick question before bed. Just come back from an emergency callout No Earth in property 6 double sockets on a 15A Radial (over 2 floors) 3036 CU with big hole out of R/H side Bonding to mains Water - 16ohms through this means No Bonding to Gas Pre RCD covering 4 x 3036 CUs Pe-RCD not...
  8. S

    Earth leakage clamp tester problem

    Hi there, I have a question regarding the metrel md9270 and a reading I had today. Basically the client had a trip issue that surfaces every once in a blue moon, I went on Sunday as they had no power from the trip, I found a kettle base with 14.4ma without the kettle on it, Fluctuating from...
  9. K

    Earth Leakage Clamp Meter

    Hello all. I've been searching around the forums but can't seem to find anything recent. I'm after a clamp meter to measure current generally but would like one that is accurate enough to detect earth leakage at a reasonably accurate level. The company I work for has loads of nuisance RCD...
  10. R

    Megger DCM300e earth leakage clamp meter

    I've just had this product delivered to me and after opening the box I found that something inside the meter rattles quiet a bit when moving around in your hand. ive checked it's not the batteries and was just wounding if anyone else had this meter to see if it's just how they are or if mine may...
  11. T

    high integrity board

    I'm wiring a ring main into a room in a house that is being converted to an office with Dado trunking. The guy has several computers and loads of IT equipment therefore I'm weary of putting it on an RCD due to the earth leakage. Im changing the CU also so ive ordered a high integrity board with...
  12. D

    Earth Leakage Clamp Meter

    Evening peeps, looking to get a decent ELCM for max price of £300 and was wondering if anyone could recommend one please. I have searched the forum and have come up with the following previous recommendations but am unsure which one to go for as they were in the last two years or so...
  13. ipf

    earth leakage

    Called out by an old couple this aft, power down at a bungalow. Hour to spare so arrived to find main switch 30mA rcd tripped. Handy man/son had made the loft hatch bigger for new step ladder system. Bunch of cables must have been at the side of the hatch....butchered and extended with all...
  14. S

    New Zealand rcbo leakage tripping

    Hi guys I have a client whos rcbo keeps tripping, never when I am there and at all times day and night.i have stripped circuit down insulation readings all over 200meg ramp test on rcbo is 21ma . should this be higher or is it ok thanks paul
  15. L

    earth leakage current tester

    Hi all, can anybody recommend a good but cheap, earth leakage tester, to to check faulty appliance if there tripping the 30mA rcd. Ill thank you all in advance :)
  16. B

    Shameless help required with RCD trips.

    Hi. I am a total novice with no electrical qualifications, but a quick learner and good with DIY and IT. I own a few old arcade machines at home and am having problems with my RCD tripping. How should I test and what am I looking for? I have had an electrician in to put a new RCD in to Isolate...
  17. P

    Complex motor start cuasing RCBO to trip problem

    HI, I have a difficult to diagnose problem. I've had two qualified electricians try and sort it, but no solution yet. It is tricky (interesting?) and would love to hear comments/suggestions. I have a long barn conversion. Supply enters one end into a CU. There is a 50A 30mA RCBO feeding a...
  18. F

    Earth Leakage?

    Hi all, Hope you can help..? Here goes... I split a kitchen/garage ring final and added 2 sockets, all end to end tests are fine, IR test >299 on megger so thats fine..The board is an old MK Sentry with 80A 30mA RCD as main switch. The circuit is fine until the washer is pulled in, then it...
  19. M

    Earth leakage clamp meter

    Hi all Got the below today. Dilog DL6507. Buy online or call Can see the massive benefit of these meters but never used one before. After doing some research some people seem to say clamp both tails and overs say clamp the earth. What do you think is best and can you advise any tips with...
  20. W

    earth leakage???

    Ok.. So iv been asked to check out a friends flat in which they think there's an earth leakage? I haven't spoken to them direct,only thru the misses!! Great start! They say that when they have there speakers on, then turn the microwave or tumble dryer etc on, they get a banging noise thru the...

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