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tripping

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  1. newfutile

    Strange Residual Current Device tripping on lamp post

    During a recent EICR the RCBO keeps tripping , i measure leakage of 2.6 ma when clamped around line and neutral, when i clamp the cpc i get over 10 ma ,its a PME supply 0.09 ZE. These RCBOs have a functional earth , the RCBO ramp tested at 21 ma . does anyone have any idea why this is...
  2. B

    Oven tripping both RCDs

    Hi all, Just after a bit of knowledge to satisfy my own curiosity - hope this is allowed within forum rules 🙂 I’ve just had a new kitchen installed and the electrician came today to connect two single ovens. They are each connected to their own MCB on different sides of the CU. One of the...
  3. D

    Breakers tripping other breakers

    Asked my electrician this question but he never experienced anything like it and did not have any real suggestions or tests. My daughter bought a new condo. We found out that when you switch one breaker off (I'll call it Breaker1) and then turn it back on it trips another breaker (Breaker2) ...
  4. S

    RCD keeps tripping. Perhaps i've wired it incorrectly?

    Good afternoon! In my house, I have a three-phase power system and this RCD that's rated for 40 A max and 30 mA leakage current. It keeps constantly tripping on loads larger than a phone charger (ie an electric kettle or toaster). This house is to EU standards (I live in Latvia). I'm wondering...
  5. mikeyking

    RCD tripping... What other problem determination can I do?

    Unfortunately my electrician is too busy installing EVs so I've kinda been left on my own for now! I have an issue where the RCD labelled #1 in the attached picture trips as soon as I attempt to turn the immersion heater on. I've had the immersion heater replaced (well, I couldn't get it out...
  6. Alan-N

    Gabarron Electric Central Heating boiler CMX15

    Got called to look at a Gabarron CMX15 that was dead, discovered the Safety Limiter device on the CH side had tripped, reset it and bled the radiators are recharged to 1.5bar per the manual. long story short it has tripped a couple of times since. Done it today while I was there after only being...
  7. R

    RCBO tripping even when the switch is off

    Hi I have an RCBO that keeps tripping. It is a new install to feed an EV charger with an isolation switch between and is around 5 foot from the switch board. The RCBO trips at random when the switch is off to isolate the EV charger. It has not tripped when the charger is turned on. I have...
  8. 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...
  9. wsoppitt

    lathe tripping after quarter turn on startup ?

    Guys / Girls , i have been asked to go and replace a light fitting tomorrow in a domestic environment and only have an hour window to get it fitted. Customer has asked it i can take a look at his single phase lathe whilst there. Because of the time frame i wont have long to try and diagnose the...
  10. Scott J Walker

    UK Post Smart Meter Main Breaker Tripping Intermittently

    My grandparents are having problems after the installation of a smart meter (against my advice) and now the circuit breaker trips intermittently during the Day part of Economy 7 with no other discernable pattern. Sometimes it will switch off after being toggled on again before a few minutes...
  11. P

    Gfci breaker tripping

    Just installed a “used” Gfci circuit breaker on my panel. New CB’s not made for this older panel. Without a load wire even attached, CB will not hold and instantly trips when power is applied. Pig tail neutral attached to neutral bar. When I disconnect pigtail from neutral bus, CB will hold when...
  12. GarethW

    Cylinder Immersion Heater Tripping

    Hoping someone can give me some advice. My cyclinder immersion thermostat is tripping every few days. It hasn't been used for a few years, but now, because I got Solar panels and an Eddi connected, we've started using it again. I've established that the Eddi, nor the top thermostat, is faulty...
  13. I

    UK Rcd tripping, 77v on earth bar

    So to start off with i’ll tell you i’m a young electrician, 23, I am qualified but obviously will always be learning. Was carrying out an eicr early last week. During the eicr I went to disconnect what I thought were the earths for the (switched off) kitchen ring, as they were in the...
  14. J

    UK 100mA RCCB keeps tripping with certain items connected.

    Hi all I am in an industrial unit and the 100mA RCCB keeps tripping. They use it as the main switch inside of the unit's distribution board. The mainboard that feeds all the units has an MCB in it. The RCCB keeps tripping when I plug-in AC to DC transformer loads such as laptops, speakers...
  15. C

    2 rcbo tripping. 2 rcbo tripping

    Hi. Today I turned a rcbo on and it tripped straight away and took another one with it. Any help is appreciated. I didn’t have time to look at anything so just wondering what are peoples initial thoughts
  16. V

    Bosch washing machine tripping fuse box

    Hello everyone. I've bought a second hand Bosch series 6 (2 years old, minimal use). The first washing went without any fault during the cycle, but after the cycle fully finished (10 seconds later), the machine tripped the fuse box. I've removed back and top lid to check if any wired connection...
  17. V

    Bosch washing machine tripping fuse box

    Hello everyone. I've bought a second hand Bosch series 6 (2 years old, minimal use). The first washing went without any fault during the cycle, but after the cycle fully finished (10 seconds later), the machine tripped the fuse box. I've removed back and top lid to check if any wired connection...
  18. R

    Very strange RCD tripping

    Hello I'm wondering if someone can shed any light on a peculiar RCD tripping problem please. It's feeding four socket rings along with garage and the PV system is also connected through it. What happens is the RCD sometimes trips between 09.00 and 09.30 in the morning and only in winter. A...
  19. electricky

    DB board keeps tripping mysteriously at night

    Is it possible that a DB board can be controlled from outside the unit/house itself? We suspect that someone has been playing around with our electricity and we're wondering if that is possible. I know next to nothing about electricity other than the basics so please excuse me if this question...
  20. B

    RCD keeps Tripping, need some Advice

    My RCD began to trip several months ago. I narrowed it down to a fridge/freezer in the garage. However, after turning this off, its now started to trip again due to another fridge/freezer (in the last few weeks). Either I’m incredibly unlucky and both appliances need replacing, or there’s...

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