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  1. B

    RCD tripping when planer turned on?

    Hi, I recently bought a new planer. When I switch it on the RCD in the garage board trips. The machine doesn't try to start, the power trips as soon as the ON button is pressed. It has a 16 amp plug. I plugged it into an existing 16 amp outlet that I use with my welder. The planers info plate...
  2. S

    GU10 flashing when turned on, work if load added to circuit

    A strange one in my kitchen. 3 sets of 2-way switched GU10 `Philips down lighters. ( no dimmers) Have been fine for several years. Last week the fan/light remote receiver, ( connected via a on/off wall switch, using live which also goes to lights, neutral permanently connected to lighting...
  3. R

    I turned off the circuit breaker for the foyer and the doorbell light went off but the doorbell transformer stayed on. Is this possible?

    I turned off the circuit breaker for the foyer and the doorbell light went off but the doorbell transformer stayed on. Is this possible?
  4. J

    CH Thermostat indicator lit when turned off

    Hello I have a central heating system, with a Y plan layout. The neon indicator on the thermostat seems to be sometimes dimly lit / flickering even when the thermostat is turned off. I measure approx 50V AC across terminals 2&3 of the thermostat when it is happening. I have narrowed it down...
  5. L

    Lighting circuit still live after breaker turned off

    Lighting circuit. 3 rooms. I turned the breaker off and in the last room of the circuit I checked the light switch to make sure lights didn’t come on. They didn’t. Anyway….the circuit still live at the fitting. The wire from the previous room loop. I then turned the rcb off on the side of...
  6. Phyllis

    RCD tripping when socket is turned OFF

    Hi, No electrician background here, so novice question! I have a new (<6 months) plug socket that whenever I switch it OFF it trips the RCD on the fuse box. I’d previously had an issue with the RCD and ‘socket’ switch tripping (all sockets are on one switch on the fuse box) which was traced to...
  7. S

    DC isolator arcing when turned off

    At work we've got an 8 panel single string set up, going into a 3000w inverter via a double pole DC isolator. The AC goes supply > isolator > meter > inverter. Obviously the DC usually comes from the roof, into the DC isolator, into the inverter where it's converted to AC which then goes back...
  8. Davew182

    Why would an RCD trip 3-4 minutes after a light has been turned off?

    No lighting has been changed in the house for at least 12 months. Last night a small pop similar to that of a small firework in the distance came from one of the rooms in my house and the rcd for the front of the house ceiling lights tripped. This happened within a few minutes of me turning off...
  9. Loki

    EV chargers turned off at peak times

    Hi, Has anyone heard about this? https://www.dailymail.co.uk/news/article-9982253/amp/Charging-points-electric-cars-preset-turn-NINE-HOURS-day.html
  10. L

    Laptop shocks me when food grinder is turned on in kitchen

    Hi, Recently, I have noticed a very odd thing.. Need help from you guys. I am using my laptop which is connected to AC mains. I am also using my wired earphones which have some metallic parts like the volume control. Normally when I touch this metallic part of volume control or any metallic...
  11. M

    Pot lights suddenly tripping breaker every time turned on

    Hi -- I have a series of 5 pot lights, 10-12 years old, in my kitchen, installed (not by me) when the kitchen was redone in 2010. Never had a problem with them, but now all of a sudden they trip the breaker every time I turn them on. I replaced the halogens with LED bulbs almost 2 years ago...
  12. K

    LED Downlights flicker slightly when heat lamps turned on

    LED downlights in bedroom flicker momentarily when heat lamps turned on in bathroom. Bathroom has 3 in 1 heat/light/fan with 275W heat lamps. I can try to check if any other downlights do the same if that helps. Is this something of concern? All lights are new installed by a registered...
  13. J

    Why neutral and hot reversed only when a/c is turned on?

    I have tenants that have 3 fairly new small a/c units all the same and when any of them are turned on my tester reads hot & neutral reversed. The 15 amp circuit that feeds these units has no ground wire. Is this normal or could these a/c units be wired wrong from the factory?
  14. D

    Fuses blow when I put phase and ground wires in contact even when light switch is turned off

    Hello to all, I stumbled upon a strange problem this morning. I wanted to change the light bulb socket in my bathroom, when I noticed that when the ground and phase wires come in contact,the fuse-box trips even though the light switch is turned off. So I took a pen voltage tester and tested all...
  15. M

    Lights trip rcd when switch is turned off

    Hi, ive came across a fault today, the house has been rewired a month back and I was called today because the rcd would trip when the bedroom switch was turned off, it would turn on and work fine but as soon as you switched it off it would trip out, there is a standard pendant and single pole...
  16. Nimiq1

    Odd issue with TV turning OFF when another device is turned ON.

    OK, this is just odd, we have a wall mounted TV, fed from 1 side of a Dual Socket. The other side of the same socket feeds 7.1 Amp an Android Box and a Router. The Socket is on the Ring Main on the main floor, with 8 other Sockets, on this Floor and upstairs. Also, as I discovered yesterday...
  17. littlespark

    One of those easy jobs that’s turned sour

    Add a few sockets to existing install....holiday cottage. partition walls, back to back with other sockets. First one went without problem. Onto number 2. Plug in socket and see to identify mcb..... buzzes constantly.... off, off, off..... hmmm. Not on any of these socket circuits? Turned off...
  18. msattitude

    RCD 1 Tripping When Kettle Turned On

    Hi, Have an issue with the RCD1 tripping each time I turn on the kettle. Have tried 3 different kettles and they all trip it yet all 3 kettles work fine. The confusion is, the kettle is plugged into socket that is run via RCD2 NOT RCD1 This is the set up: RCD1 trip controls: Oven Boiler Kitchen...
  19. B

    hi people sparky turned scientist back to sparky

    Long time lurker. finally decided to post as my brain is very confused. My situation is family friend really wants me to do his rewire but wants that mates rate. I'm thinking just full stop doing for family and friends as they seem to think its all for free or some dumb price. but at the same...
  20. S

    Noise in wall when switch is turned off

    I replaced a switch and box that feeds a bathroom ceiling fan. Now there is a click in the wall 6 feet away when I turn the switch off. It doesn't happen everytime. What is causing this and how did it result from a simple switch replace?
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