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  1. L

    Why is my AFCI breaker tripping?

    Hi. Recently, one of my AFC I breakers began tripping any time even a small load was put on it. To make a long story short, I have replaced all the receptacles and switches on the circuit and have replaced the AFCI circuit breaker. Really the only 2 things left I haven't touched are two...
  2. C

    Blowing breaker

    I have a very small circuit in my house. Probably 8 outlets 6 lights. The breaker for this circuit has a direct short somewhere. It didn't start this way. At first it would stay energized for a couple of minutes then trip. The more I reset it the shorter it would last. Now it trips immediately...
  3. S

    Tripping contact breaker

    I have a contact breaker that trips off randomly. Sometimes it's two or three times a week and at other times it can go six weeks or more without tripping. It doesn't seem to be associated with switching any lights or appliances on or off and I'm worried it could trip off when we're away on...
  4. T

    UK How to repair switch with no circuit breaker?

    Hi, I live in a house that has been converted into three flats. Each flat has a circuit breaker box, but there doesn't appear to be one for the communal lights. We have an issue with the communal lights being permanently on (because of a faulty timer switch). Is it normal for there to be no...
  5. T

    Outlets out. breaker not tripped

    So after turning on a shop vac, the lights and outlets in the room went out. No breaker or gfci have been tripped. I also am not 100% sure what breaker this string of outlets is even on. I cant trace it without making holes in the walls. Asnyone have any ideas or had a similar problem?
  6. R

    3 pole breaker query

    I know it needs to be replaced, but what actually causes a 3 pole breaker to suddenly stop being able to stay in the on position please, and that's even without it connected to anything (i.e. the switch mechanism makes the correct sounding click when push up, but immediately springs down)????
  7. C

    Replacing pool pump: wiring from breaker box through timer to pump acting strange.

    New member, DIY homeowner here. I bought a new in-ground 1HP 120v Harris pool pump (online) and had it installed by my pool maintenance company. A few weeks later it appears blown -- it hums when the power goes on -- but I removed the back and the shaft turns easily so I suspect wiring issues...
  8. O

    UK Thermal breaker to derate circuit?

    Hi chaps and chapettes, I have a buried 6mm SWA 32a radial circuit powering a single 32a commando/ceeform, i'm looking to add a 16a ceeform for convenience. Can I use a thermal-magnetic breaker to derate to 16a. There isn't space for a 2 way CU so would this be my best option? Thanks.
  9. S

    Can I safely add a 50 amp breaker to this?

    Hello! I’m confused as to how to add up total amperage on my panel when it comes to double pole and single pole. So I can avoid overload. I want to add a 50 amp breaker. Any advice?
  10. A

    I have a dedicated circuit for my fridge and freezer on a 32amp breaker

    Hi guys, I have a dedicated circuit for my fridge which is on a 32amp circuit and also runs off a fcu. Is it possible to have the fridge and a separate freezer connected to the double gang socket ? So both appliances are sharing the socket . Thanks !
  11. B

    Main Breaker box Wiring

    Hello Gentlemen Great Forum! Newbie to this place, not sure if am posting my question in the right section. I am attaching a pic showing wiring to the 220-240V main panel, my question is this the correct way of making these connections? I do feel something is missing here as I am confused with...
  12. T

    UK how to work out what breaker to use and why (level 3 hotel extension assignment)

    I have 10 7.5A lights in a room on a breaker 10x7.5a=75a so 75a ÷ 230v is something crazy like 0.3A so what am I going to use a 1A breaker ? another example I have 700w AC unit 700w ÷ 230v= something like 3.2A yet again ovs not gonna use a 4amp breaker for a AC unit??? What am I doing wrong...
  13. D

    The breaker on the right trips after anything from 30 seconds to an hour. I have only two led lights on this circuit

    The breaker on the right trips after anything from 30 seconds to an hour. I have only two led lights on this circuit. Can anyone please help? Source URL: DIY Electrical Forum - https://www.electriciansforums.net/forums/diy-electrical-forum.64/
  14. F

    Breaker GFCI AFCI

    Hi Everyone, I have a question regarding GFCI AFCI Breakers in my main panel. I have a Siemens residential household box with QP breakers. I wanted to replace a standard one with a GFCI AFCI Breaker. I noticed that the cable conduit that houses that circuit has a black, red, and white wire...
  15. B

    Will turning off an individual breaker cut

    Being from France i'm having a bit of a brain fart when looking at UK wiring systems. In our systems, neutral and live come out the top of a breaker and go directly to the circuit (we have radials here, no rings, not allowed in our regs) and we also have no neutral bar for individual circuits...
  16. P

    VFD tripping breaker

    hey guys had to replace the VFD on my lathe. running off 240v single phase to 3 phase to control the motor in delta config. i wired the new vfd up as per the last one, which is a different brand. hooked up active and neutral, then the ground to the chassis screw, when plugged in instantly trips...
  17. S

    UK Proteus FC005 circuit breaker switch hunt.

    I need to replace an old FC005 5amp fuse holding switch with snapped switch due to old plastic. Having trouble finding one and hope someone out there has a box of them somewhere I may be able to buy. If you could advise on what could replace it if not that would be great.
  18. U

    UK Need help with cable size and breaker size

    I’m still an apprentice electrician so the whole thing around diversity is still a bit confusing to me A family member has moved into a new flat. The existing cooker circuit is 6mm on a 32A MCB. She has bought a cooker which pulls 9.6Kw. I know you do 9600/230 = 41.7 This is telling me that...

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