reading

  1. S

    Why I get only one phase reading current while rest are zero

    Hi I have UPS 50KVA and the inverter output AC voltage is feeding a distribution panel 120/208 V 4 wires when I check UPS display it shows me that output current which is the distribution panel phases as followings phase one = 30A while Phase 2 = 0A and phase 3 = 0A is this a problem !? Shall...
  2. naylorpd

    EICR needed in Reading

    I need an EICR done on a house I rent out in Reading, England - 4-bed detached built in early 1980s. Would ideally like someone from this forum. Last EICR was in March 2019 following which esteemed forum member Wilko put in a new DB, did various fault finding, earth upgrades and everything else...
  3. C

    Advice on reduced live-neutral reading

    Hello, I'm not an electrician, more one of those 'competent DIYers', so probably the worst kind :) My electric shower broke, the shower firm came out, he was in about 2 minutes I'd say. In that time he put his meter on the terminal block, said there was only a small 60v neutral-live, 190v on...
  4. M

    High Ze reading fails EICR

    Hello there. I've been looking around here and found some conflicting information. I have a question if I may ask. I had an electrician come over to perform an EICR, and all the installations were in good nic. However, he said that the Ze measurement was 14.5 Ohms on a TNS system, so he refused...
  5. T

    no end to end reading for r1

    Hi All, Had a weird one this morning during an EICR. Testing a ring final circuit in a 2 bed flat… kitchen was on a separate ring. With only the 32A MCB on, I identified 8 sockets on the circuit. Set up for dead testing… r1 end to end - open circuit. rn - 0.35, r2 - 0.57. Opened up the 8...
  6. O

    Low insulation reading at 500V

    Slightly strange one this, replaced a few socket fronts in a dining room today, all wiring original but new plasterboard on a studded wall. Its a ring final circuit which does the rest of the house apart from the kitchen. R1 and R2 all ok etc, loop test fine but doing the insulation resistance...
  7. E

    Ze readings >2000Mohms

    Fluke MultiFunction Tester 1662 TNS Earthing system. Switchboard - 415v - 3 Phase + Neutral + Earth. MCB 1000A 3 individual Earths (185mm) connected to the Switchboards Earth Busbar via a main earth bar which is then connected to the sites Earthing Grid that is bonded with exothermic...
  8. I

    TT System with TNS reading

    Shop with no earth coming from head, overhead lines in sight everywhere - definitely no earth from the DNO. Two 10mm earths going into the DB. One going to the water and another which disappears through a wall somewhere heading towards an external area never to be seen again. Customer doesn’t...
  9. K

    voltage reading on the output AND input of the solar panel battery controller?

    any idea why do I get the same voltage reading on the output AND input of the solar panel battery controller?
  10. mattg4321

    Room thermostat reading high

    I recently fitted a Heatmiser Neostat for a customer in their hall- to control their radiators throughout the house (70’s 4 bed medium sized detached). Quite bizarrely the thermostat is reading 3 or so degrees above the actual temperature when the lounge/hall door is open. Ie stat shows 22...
  11. Q

    Max ZS - Help reading curves

    Hi All, As ever another question regarding Max ZS! I just need help reading these curves and getting my head around them. Data sheets confuse me and overload me with information. So I have a Terasaki S800-NE MCCB Here is the Datasheet...
  12. R

    False reading on analog instrument

    Hello everyone, I'm a service engineer from Malaysia and come across a simple problem. I work with instrumentation and the problem I face with is regarding a Dissolve Oxygen Sensor. The sensor is used to measure oxygen in a sewage treatment plant by means of chemical reduction in its membrane...
  13. O

    USA Getting strange reading when I test a recepticle

    I have moved back to my house i was born in some 60+ years ago. Most of the original house's electrical receptacles are 2 prong with the center screw that holds the cover plate on as ground. They all test, OK. My parents had an addition installed on the second floor sometime around the mid to...
  14. OnlQQker

    What does this reading mean on a multi meter -0.00

    So checking for voltage on a brake light today on a Ford Transit 2016 custom. The drivers side is ok, the passenger side came up no voltage and gave a reading of -0.00. Multi meter set to 20v DC When keys are out of ignition the reading was 0.00 without the minus in front of it. I did try the...
  15. T

    Overhead bed lighting for reading.

    Hi all, This is my first post. The other night It was noticed that one of the lights started to flicker. Both bulbs were changed the next day and the one that flickered still flickered. A further investigation showed that a RELCO MICRO 60 PFS ELECTRONIC TRANSFORMER had been fitted. To buy a...
  16. D

    UK Help with Landis and Gyr import / export meter

    Hi, Our meter is an import / export Landis and Gyr. To supply Our readings We have to deduct the R from the T. The meter has now rolled over to 00*** so We can not deduct the R now as this would give a minus reading. Any idea how to give energy company a reading? Someone said add 99999 to...
  17. N

    25 ohms Zdb + same reading for all circuits

    Hi everyone, I have a particular job visited this morning, that on all circuits, at each point, i got a reading off around 25ohms for a earth fault loop impedance test(zs). I then thought to do the same at the DB for those circuits. Again, same reading was obtained. I then turned off the...
  18. opyate

    Friedland 752 transformer giving higher than expected reading

    Hello, We moved into an old house (Wimpy 1957) and the doorbell doesn't work. I read the AC voltage on the old Friedland 752 transformer, and it's at 13V, not 3 or 5 or 8 as per the options. The solenoid on the bell might be getting too much power. Why might it read 13V? This person also...
  19. S

    Doing an EESS course.

    Hi, I'm doing this course in a few weeks > https://www.napittraining.co.uk/courses/lcl-electrical-energy-storage-systems-eess A week after I plan an installation of this Pylon US5000 4.8kWh Li-Ion Solar Battery 48V -...
  20. charlesrr

    UK DIY - Reading meter query (see video). Do I have 3 rates?

    Hi. Is there a better forum for this? Anyway I've moved into a new place and the meter is weird. (I just had one physical reading at my old house, but this has loads of "pages" on an LCD). The new place has electric storage radiators (which are currently all turned off at the wall), some of...

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