readings | Page 5

readings

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  1. J

    Low Insulation resistance readings when connecting final socket on ring?

    Hello All wondering if anyone could shed some light on a problem i have with my IR readings. I recently rewired a house.. took care pulling cables in etc . finished 1st fix, checked cables by looping ring main in connector blocks and doing continuity and IR test . continuity was ok, IR read...
  2. S

    Question regarding my VOC readings

    I've recently purchased 4 Helios 275 watt solar panels. My plan is to run a 48 volt system. 2 panels will be in series and both sets of 2 panels will lead into a combiner box down to my charge controller. Their specs read a VOC of 38 volts. I made the BIG mistake by not initially checking...
  3. B

    earth rod readings.

    I work for a large telecoms company in the UK, and we have a/c power that is supplied by local dno to our street cabinets. part of the stipulation is the earth rod reading should be below 150 ohms. these rods are tested and fitted by contractors, then their electrician does the electrical...
  4. gazdkw82

    Socket tester adapter thingy

    I thought having one of those socket adaptors that allows you to push your testing leads directly in. What's the general consensus? Do they conflict with testing resulting think the one Iv looked at is made by kewtech
  5. B

    Megger readings

    I am planning to Meg a 480 volt 3 phase motor leads to ground using 1000 volts DC. What are acceptable ohm values and when should I be concerned.
  6. J

    EICR readings

    Hi all Done an EICR today and on one light circuit my zs tests was coming with error so got the 2 poor tester out, and I'm getting 50v between 230 l-n and 50v l-e Checked all switches and light fittings Ect, nothing obvious, property 13 years old, I've checked all downstairs and seems to...
  7. P

    TT Zs Readings and Tripping RCD?

    Afternoon. Did a PIR on a TT installation yesterday with some confusing results. Ze/RA was recorded as 116Ohms so as expected thereabouts. When Zs was tested it was found to be just 1.01 Ohms and 0.97 Ohms at a several points with just a few reading high as expected. As Zs = Ze+(R1+R2), it...
  8. rustynails

    Continuity Testing reliability

    Friday I was getting continuity readings from my tester which start with a reasonable figure then drop off the scale to 0.00. This tended to occur more on the existing circuits rather than on new circuits. can someone shed any light on this?
  9. D

    New to Forum. Main Bonding conductor r2 readings.

    Hi New to the Forum here. I am a qualified Electrician however inexperienced due to spending 4 years in the army since finishing my apprenticeship. Trying my hardest to get back to the standard that I should be at. I have sat and passed the 17th edition but currently not got 2394/5. Plan to...
  10. F

    ring testing

    whlist testing a ring final socket circuit r1, rn and r2 end to9 end had all the same readings found a spur taken from the ring for an electric towel radiator remove the cpc from towel radiator and end to end test were spot on reconnect towel radiater and r2 end to end was reduced to virtulally...
  11. C

    Test readings

    Hi i have a keen interest in my home electrics and diy, and have recently purchased some test equipment. I think the phrase is "all the gear and no idea" Anyway, I do actually know how to conduct the relevant tests but have no idea what readings are good or bad. Could somebody please advise me...
  12. R

    High R1&R2 readings

    Hi all new to this so hopefully i can borrow some wisdom. I am currently carrying out a periodic inspection and testing of a commercial property. I have a db with 40 of the same circuits. The circuit is a 6mm radial to a junction box then a 2.5mm ring for 20 sockets. The circuit is wired in 6mm...
  13. O

    Ze Readings bouncing all over the place

    At the sub feeder panel I have a reading of 0.15 on L1 & L2 and on L3 a reading of 0.16 ohms at the start of the circuit off the 50A MCCB. System in TN-S At the CDP the reading is bouncing between the following L1 0.6 to .88, L2 0.68 to 0.8 and L3 0.62 to 0.78 ohms. but remains at 0.15 at the...
  14. J

    Advice on meter readings

    Hi I wired the first fix upstairs in a new house 2 years ago and am now returning to carry out the second fix. On the lighting radial I have been using a fluke multi meter to check the resistance from ceiling rose to celing rose as I go along to check that all is good with the connecting 1.5mm...
  15. S

    High Zs readings

    Hi everyone Apologies if this is a dim question.... I have just installed an exterior dusk till dawn lamp at home and all was fine until I carried out the Zs test. I have a TN-S system with a Ze of 0.66ohms. The R1+R2 reading at the lamp was 0.58ohms. My Zs reading is however 2.88ohms. I tested...
  16. S

    Checking loop tester readings from a sample socket.

    After calibration of my loop tester,I am considering using a socket in the house for future calibration checks and to connect various low resistances in series with earth via a rotary switch to give a range of readings,and if so what value of resistors?Thanks for any advice...
  17. J

    Strange Low Voltage Readings

    Hi guys I've been doing a partial rewire. And I have taken a feed from a light that is fed, to feed a switch in a new extension. I wired up the lights and switch in the new extension but the light would not turn on. I measured the voltage at the light that's not powering up L-N and I'm only...
  18. C

    Has anyone got an amended table for the new zs readings for BS60898 and BS3871

    Hi all still feeling new to this game even after 5 years or so Going through a test and having trouble with finding the max zs readings FOR bs3871 breakers I know I can just multiply the old ones by 0.95, but was hoping someone had kindly already done a table with amended readings. I also...
  19. G

    Bizarre voltage readings

    I have installed a new cooker supply to the new DB. The cable is a 10 mm T+E. It's on a 50 amp RCBO. (Big cooker!!) tested the cable and made put it in connector block and switched it on. I was getting 240v down live to earth which is correct but neutral to earth is was getting 40v. Then live to...
  20. D

    suppliers fault

    hi, Popped round in laws house last night as they were having power loss issues. As I pulled up noticed the utility guys on their road hard at work sorting it out. So out of curiosity I thought I'd check the voltage readings as they had power but you could tell the voltage was low. I was...

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