circuit breaker

circuit breaker

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  1. 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?
  2. gergex

    Losing power to whole house, not tripping circuit breaker?

    Hi, recently moved into 30 year old home. We were renovating it for a few months and didn't notice this issue. 3-4 times over last month the power has gone out to the entire home, without flipping any circuits. When we've been home for it (twice) it has only lasted a few seconds. I'm yet to ask...
  3. T

    Sun heat on caravan cable causing meter box circuit breaker to pop?

    Could the sun’s heat on a caravan mains supply cable cause the fuse/circuit breaker at the meter box/supply end to trip?
  4. S

    Room lost power without tripping circuit breaker.

    We have one room that seems to have lost most of its power last night. One of the outlets in the rooms has a power strip plugged in that powers the tv and video games, but we flip it off when not in use to save power. Last night, when I flipped the power strip on, the entire room lost power, but...
  5. J

    Blender/mixer circuit breaker Advice please

    Hi everyone, 1st post here. I'm a DIYer looking for some advise please. I've got a blender/mixer from India which has decided to pack up. I've narrowed the problem down to a circuit breaker (thermal overload protection switch) I'm not able to find a match on Google or on screwfix, does anybody...
  6. D

    Three phase circuit breaker - Utilising only one phase

    I have a scenario where there is a three phase DB in a commercial property where there are mixture of three phase and single phase washing machines. All the washing machines including those that are single phase have triple pole MCBs installed and wired in 5-core to 16A rotary isolator. from...
  7. G

    No Circuit Breaker - deal breaker ?

    HI , potential 2 bed 1970’s bungalow buyer here…. Our surveyor (RICS) has pointed out there is no circuit breaker to the electrics (fuse board, meter etc. installed in garage). Please see crappy photo attached. Vendor bought property in 2005, and, looking at the photo, the installation does NOT...
  8. AngelLaHash

    Toaster Tripping Circuit breaker

    For some Strange reason we have three Circuits running in the Kitchen i think for two OLD Cookers and a Ring Circuit for the house. Well the Toaster has Tripped the Two Radial Circuits and tried it in the House Ring and it tripped that. I did wire up the sheds on its own Consumer unit and it...
  9. E

    Several Lightbulbs Have Dimmed and Gone Out on the Same Circuit Breaker!

    Summary (TL;DR) Several lightbulbs in my home supplied by one circuit breaker dim over time and go out in about a year. Right now, the ceiling light in my living room won't turn on at all. It will turn on, go dim for 1-10 seconds, and then shut off completely. There are a host of other...
  10. M

    Homeline 50 Amp 2-Pole GFCI Circuit Breaker Tripping with tiny load

    Hello, I had an electrician install a 100Amp subpanel which feeds a mini split. I addition I added a Homeline 50A GFCI breaker to power a shed. I ran 80feet of 6/3 direct burial cable into a breaker panel in the shed. Here I tied the Neutral and Ground on the same bar. Neutral and ground are not...
  11. S

    Fuse to Circuit Breaker Equivalence

    Replace of 45amp Fuse with 50amp CB on 10mm2 cable? Is this okay because of the 0.9 derating of fuse to overloads and because 10mm2 can handle 50Amp current. Installation in air equivalent double brick unit?
  12. S

    Choosing the correct circuit breaker value

    Hello. So, I would like to know how I can choose the correct circuit breaker value when doing a new installation. My example is: I have 16 rooms. Each room has its own electrical board (main breaker is a 220v, 32A, a lighting cb and one for socket outlets) I want to add a LV switchboard or a...
  13. W

    What type of circuit breaker would be used for a three phase circuit?

    Hi , Currently doing a design project in college and I need to pick a circuit breaker ( In device rating and type) for a food holding equipment unit that requires a 16A 400V three phase and neutral supply that is supplied by 5 core SWA. I think I should pick a 16A 3P+N RCBO but wasn't completely...
  14. _KaCe_

    Trouble shoot why a ground fault circuit breaker keeps tripping.

    I installed outdoor lighting and outlets. I finished this past year. I passed my inspection on April 2022. I was so pleased, BUT now the circuit the outlets are on has a problem... the circuit keeps tripping. Question 1: I was wondering if there's a way to test the circuit breaker itself? Then...
  15. L

    Replace old fuse wires with circuit breaker?

    This appears in our Building & Pest report: "Safety switch installed, old fuse wire fuses still in use, recommend replace with circuit breakers." The home was built in the 1980s. Are old fuse wires dangerous? How dangerous are they? What are the risks of replacing with circuit breakers? Are...
  16. SEGOVIA123

    Garage and House Circuits—problems with circuit breaker tripping in Garage

    Hi My main feed comes into the garage, feeds into the meter and then out to another box with a 60AMP fuse then into the house consumer unit. There are tails feeding the consumer unit in the garage, which up until recently didn't have any RCD protection. As part of a recent...
  17. M

    DIY how to wire new circuit breaker to new switch and recessed LED lights?

    I recently installed a new 15amp circuit breaker, and wired a 14-2 gauge wire to a brand new dimmer switch. From the dimmer switch I daisy chain wired 6 LED recessed lights. When I turned on the circuit breaker the lights all turned on, but the switch wasn't working. I then changed the switch to...
  18. Steve10001

    Circuit breaker weirdness.

    So yesterday one of tge circuit breakers tripped and wouldn't turn back on. Removed it completely and it still tripped even with no power. .bought a new one today and installed it, however, if I flip to switch all the way up ti the On position, it only gives out 3v. If I move the switch...
  19. S

    Why my circuit breaker is tripping.

    Hi everyone, no sure this question should be in this forum, but im sure a lot of you will know the answer. I've set up a hot box to deliver food in my van. I've put a leisure battery 130ah and a inverter of 1000w continuous 2000w peak. between the battery and the inverter i've put a 100A circuit...
  20. RicoRepairs

    Ground floor lighting trips circuit breaker.

    Hi all, so just moved into a new property, the light fitting/rose was removed from the living room, nothing looks to be shorting (But there is a single neutral with no connector block?) but the breaker trips straight away. There are 4 fittings on this floor, none with bulbs in, none with any...

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