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  1. L

    What could cause a Fluke T2 volt tester to dance up and down 12-230v

    New batteries ... There is a dimmer attached to the light circuit . Full power its fine .turn down , light flashes , volt meter LEDS dance up and down. 2 x dimmers tried .
  2. O

    What would cause cable to melt?

    This from a while ago but reading about everyone elses problems tonight made me remember this one. The original job was the lights in a recent cellar conversion weren't working althoug they did work for a while. Sure enough you switched the MCB on, the lights lit briefly and then the MCB...
  3. L

    Could a failed HW valve cause boiler to keep running?

    (Or that might be should a failed HW valve keep boiler running) Woke up this morning to find the boiler still running even though all timers off (HW and CH). We have a simple S-plan CH/HW system with oil-fired boiler and a 2-port zone valve for CH and a 2-port zone valve for HW. Various...
  4. D

    Cause of massive night time usage?

    HI Guys, Hopefully someone here might be able to offer a plausible answer to my question because my electricity provider certainly can't. I had a smart meter installed last March. Analysis of the data shows that we are using, on average, virtually the same number of units between 00:00 and...
  5. C

    Heavy duty DIY next door possible cause of oven tripping circuit?

    Hello, new here! Would greatly appreciate some input. I'll first say I intend to get an Indesit technician to take a proper look tomorrow, but I'm curious. A couple of hours ago I tried to switch the main oven on as usual - the oven is only 2-3 yrs old - and a spark came from behind the...
  6. Vortigern

    Smart meters cause soaring bills True or False

    Do smart meters cause soaring bills due to inrush currents recorded digitally? Low power factor equipment may cause this???? What is the hive mind conclusion?
  7. D

    LED lights cause appliance failure

    I installed 2 LED bulbs into my Genie garage door opener and it caused the microwave to lose power. They are both on the same circuit. When I tested the voltage at the microwave outlet it read 48 volts. That usually means a ground reference problem. Take the bulbs out and the microwave lights up...
  8. A

    Deep power surge last night I noticed, could this be the cause?

    Last night while laying down, I heard my air purifier and a little fan that was going almost cut off from a power surge but then it went back to functioning normal. It did it once more about 1 minute later and then I never heard it again the reset of the night. Also yesterday when I got home...
  9. Z

    UK Melted Plug and Socket cause

    Hi all, Washing machine plug and socket melted around Neutral pin. Whilst removing socket faceplate, noticed one brown wire was not in the terminal. May have come out of the terminal when pulling the socket forward or may have been out all the time. Is this lose or disconnected live cable the...
  10. Z

    UK Rcd tripping cause?

    Daughter’s new house. Garage has very old wylex distribution box connected to a double socket and a lighting circuit with one neon. put an RCD’ed extension cord in socket and the RCD trips instantly. Measured leak current at main fuse area. The neon light was switched off. Leakages house as is...
  11. C

    High hot pump jet speeds cause lights on a different breaker to flicker

    Good afternoon, We hired an electrician to replace the lights in our basement. Previously there was one circuit of fluorescent lights for the whole basement on a single switch at the top of the stairs. The electrician removed all of the fluorescent lights, and split that existing lighting...
    • csalt4
    • Thread
    • breaker cause different flicker lights pump
    • Replies: 0
    • Forum: Lighting Forum
  12. D

    Can a new electronic meter go bad and cause no electricity to 200 amp main?

    I ran upon a problem today that is weird and it will be next week sometime before the electric company makes a check of the meter and meter base, By what the owner of the apartment told me. Problem is meter is showing digital read out as if it is getting electricity from transformer. But I have...
  13. R

    Can a difference in phase voltages cause a motor to fail?

    Here is the background: A new Grundfos 3 phase sump pump was installed in a bore hole to pump groundwater to a holding tank. After 6 weeks the motor failed, the installer measured the voltage of the 3 phases which at the time were P1-237v P2-250v P3-233v and suggested this was the likely cause...
  14. S

    Kitchen sockets MCB tripping - what could/could not be a cause?

    Hi everyone. A DIYer here, not looking to fix this issue (as the house in question is hundreds of miles away...) but to try and help owner to narrow down possible causes. He has had a sparky in, but problem persists. He has a kitchen in a flat-roofed extension. There is a 'reception' room in...
  15. Q

    Could this stuck hallway switch cause a fire ?

    This communal hallway switch was 'repaired' by the landlord. It stayed stuck on for four years This junction box ? caught fire
  16. R

    PLC error

    What is the cause if Mitsubishi PLC shows an "XY error"
  17. happysteve

    What would give a low N-E resistance (at DC), but not cause the RCD to trip?

    I'm familiar with RCD spurs giving readings of 0.1 to 0.3MΩ when testing insulation resistance (L+N tied together to E), but what would give a reading of about 65Ω (when tested with "low resistance ohmmeter" i.e. continuity setting) N-E? On a lighting circuit - N isolated from other N's...
  18. B

    What would cause this light fixture to flicker randomly?

    I have a two-light fixture in my kitchen. See this video showing the flickering. Here are the observations: Both light flicker at different times seemingly randomly 80% of the time they don't flicker It worked for many years Roughly 4 years ago it flickered for like a week then it stopped. The...
  19. littlespark

    Cause of sudden flat battery

    My eldest girl has a 10 plate Kia picanto. Bought for her by her grandparents, and she was supposed to be taking it away today, up to Aberdeen to move into her new flat. During lockdown, it hasn’t been used all that much, but it has been used. A few weeks ago, I swapped out the radio for a cheap...
  20. S

    Possible cause for light switches no longer turning on after smart dimmer install?

    I installed a smart dimmer switch in my dining room, which worked fine. The next day, I installed the same type of switch in my kitchen. Not only did it not power on, I noticed that the light switch in the dining room no longer turns on, and that the light switch in my foyer no longer works...
    • shomel
    • Thread
    • after cause dimmer install light longer possible smart switches turning
    • Replies: 7
    • Forum: UK Electrical Forum

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