measure | Page 3

measure

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  1. N

    A silly questions on Countituy testing

    I am still in the training process. I have one question if anyone can help thatll be great. My question is when carrying out continuity test on a radial circuit I know we have to link. When linking can we just link between the main Earthing terminal and circuit breaker? or does it have to be the...
  2. S

    eicr form filling

    hi everyone been reading this forum for a year now and this is my first question i just hope i am doing this right. on TT earthing we have one box for RA and one for ZE, what box do we use.
  3. I

    getting 0M ohms L- N on Lighting Circuit and cooker Circuit...

    ....but RCD doesn't trip? Surely if it has a short circuit somewhere I shouldn't be able to liven the installation??
  4. P

    method for measuring the voltage drop

    hi, if we need to measure the voltage drop from a main cu to a sub cu in a outbuilding, what method can be used to verify the voltage drop
  5. B

    EEBADS (the actual insulation of such safety measure)

    I know we bond pipe work with earth clamps and 4.0mm earth cable. But does anyone know why some people coil up the earth conductor, making it look like a spring? Instead of just putting a small length from A to B without making it go round and round an imaginary loo roll?
  6. ringer

    Measuring R1+R2 but unable to measure Zs

    Am testing a lot of tubular heater circuits in a church. All circuits supplied with MICC, which runs to SFUs then via short length of heat-resistant flex to the tubular heaters. Have tested approx 40 SFUs/heaters so far without problem - R1+R2 (dead), IR (dead), then Zs (live) on each one...
  7. G

    Fluke T5 1000

    Can the Fluke T5 1000 measure DC current via the jaws? I know it'll measure AC but I'm looking at different sites via my phone and can't ascertain whether it does DC. Also, what do you think of it if you have one?
  8. M

    R2 Testing Help

    Hello i havent done much testing before so i am trying to brush up on my Testing skills before i join Elecsa, i have a couple of questions about R2 testing please. I understand how to carry out R1 R2 tests using method 1 and that we do them to calculate the Zs of our circuit Zs=Ze+R1+R2 But i...
  9. T

    what scale would you use on a multi meter to measure resistance?

    what scale would you use on a multi meter to measure resistance?
  10. D

    What do you use to measure the csa of cables?

    Calipers? One of those cards with holes in? Or something else? I know in the end I'll get to tell what is what by sight and feel but need something to help me in the meantime, especially with larger live conductors and earth bonding etc
  11. W

    2391 3 phase rig

    Sorry Lads and Lasses, I know this has been discussed many times throughout this forum and other websites but I just can’t get my head round the testing of a 3 phase supply connected to a 3 phase isolator and a DOL starter/motor. There could also be a 3 phase socket. After finding many solutions...
  12. doogle

    3 Fluke testers, different results?

    testing an installation(that we have just finished) where the client want to choose a few circuits and check it against the test sheets, Now the circuits are 3- 240mm single core cables in parrallel (24 in total in a data centre) I have tested r1+r2 with 3 different fluke multi function testers...
  13. C

    Measure once cut twice

    Pass this every day and that rail just annoys me.....Sorry :seeya:
  14. F

    Best tape measure?

    What's your favourite tape measure and why? I've just had my bahco stainless steel reversible pinched by some scroat, and I can't find anywhere to buy a new one! So I was looking about and all I can see is fatmax this and fatmax that!
  15. H

    how to measure csa

    Hi there, I've not posted much before but been reading old threads and picking up advice from this forum for a while - most problems I've come across somebody else has already asked and been answered. I've got my NIC assessment this week and now starting to brick it. Simple question - how do I...
  16. M

    How do I measure 1R or 1R2?

    Hi I am trying to test a 5W metal oxide resistor on a pcb board and the person have told me it should read 1R or 1R2. How do I measure that on a meter? Thanks
  17. H

    Where to measure Ze

    Sorry in advance for what may be a daft student question. Where should I measure my Ze? My mum has a TNCS system with the meter/incoming supply at one end of her bungalow. The CU is some distance away (I guess around 15m) and connected via T&E. Do I attempt to measure Ze at the incoming or at...
  18. N

    Component name on a laptop motherboard.

    Sorry for the lame question... I have got an acer aspire 1670 laptop motherboard. Could anyone please tell me the name of the component on the picture below under the red arrow? resistor? diode? https://picasaweb.google.com/lh/photo/EwW_EhV_Vqeoit6lwXqvAphKRpdbdZMR2g80XAskZZg?feat=directlink...
  19. S

    how to do the irradiance and short circuit test

    ok here is my question, i had my mcs audit last week and all went fine, the only point he pick up on was my short circuit and irradiance test, how do you do this test and how do you calculate it, i thought i got told on my course not to short the panels out as you could damage them, but the...
  20. i=p/u

    got me a job!!!

    i am starting a job next tuesday rewiring kitchens in council houses. as you know i havent got a clue whats going to be expected of me , all i know is it will be 1 kitchen a day. so any help will be appreciated of how they actualy go about this work.

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