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breaker

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  1. tank

    Main breaker trip

    Hi guys, why might a fault on a final circuit in an apartment trip the dp c63 submain circuit breaker in the plantroom but not any mcbs on the consumer unit in the apartment?
  2. T

    UK Motor breaker size/type

    Hello, I have a 7.5kw 3 phase motor 400/690v 50hz. Can anyone advise what size and type mcb is needed for this please? It’s currently being fed via a c16 which is tripping now and then. many Thanks
  3. N

    Square d breaker

    Anyone got a square d SQO 20a b breaker they want to sell ??
  4. M

    AFCI/GFCI breaker bad?

    In my kitchen, I have 1 circuit with a total of 5 outlets (backsplash), and it appears to have a dedicated neutral which is connected to a Square D Homeline issue AE-70 20A combo AFCI/GFCI breaker in my panel. I have a Miele espresso maker on this circuit. Occasionally but not always (maybe...
  5. Robertbed01

    FSTWIFI tripping breaker

    Hi, I try to install FSTWIFI on my towel rail heater, I think I connected everything correctly but when I switch it on it tripps breaker. I would appreciate any help. Thx, Rob Below picture of connections. https://www.dropbox.com/s/ttxxlxlvyu4idpc/20201013_202705.jpg?dl=0
  6. M

    breaker tripping

    breaker just started to trip unhooked wire from breaker and unhooked white wire from neutrual touched together big spark why
  7. R

    Where can I get a obsolete Square D Main Breaker?

    I am in need of the 200 amp main breaker for a QOC-20M200 Series 1 breaker box. I have attached a picture for reference. I was told it is obsolete and have looked online but none of the reference pictures have the lower bolt-on as I have? Any help would be greatly appreciated!
  8. Andy5678

    Circuit breaker

    Has any one seen these new Circuit breaker lock downs I have been hearing about in the news?
  9. B

    What do you think about a 16A socket on a 20A breaker

    Been asked to provide a 4 pole 16A socket with RCD protection with a C20 protecting the circuit specified by the manufacture of the machine, should I not use a 32A socket?
  10. S

    Low insulation resistance and tripping circuit breaker

    I've just done an insulation resistance test between line and earth and got 0.0 Mohms for most circuits. Obviously this is an F1, but what I don't understand is why the CB doesn't trip. Is the answer that the resolution on my tester isn't high enough? So I could for example have 0.049Mohms and...
  11. S

    Why my breaker tripped?

    Hello. Today first time something tripped breaker in my house. I mean i was sitting on Windows 10 desktop ,like always and i hear BUM from fuse box. And power go down. Pc turned off. I have that pc almost 1 year and something like that never happened. I think there was not circuit...
  12. H

    How to setup new breaker from an extension cable

    Guys so my parents built me my own room in the backyard that is seperate from the main house (we have almost an acre of land) when we moved into our new house this past year but the person who built it micky moused the wiring and just made an extension cable that connects from my room to an...
  13. G

    No Power to Breaker

    Hello! Our dryer stopped working after a power outage. I checked to outlet with a multimeter and it has no power to it. I checked the breaker and the power lines going into it have no power so it has no power. I replaced the breaker and there is still no power. Any idea what the problem could...
  14. Dartlec

    Joys of "Park" homes - Can an RCD be described as "Earth Leakage Circuit Breaker" ?

    Seems to be my month for finding odd bodges by supposed professionals. Installing an external socket in a shed today at a park home (non-mobile home) and find this label on the consumer unit: and this behind the door: It looks like the CU was installed at the factory and then shipped with...
  15. V

    Electrical plugs and breaker questions

    Hey everyone! New to these forums. Looking to get advice on the best option to resolve this: I have a 50A 6 gauge wire (with an un-used neutral) coming to my detached garage from my main panel that powers an electric car charger via a 6-50R. The car charger only takes 20A but due to the 6-50...
  16. J

    What gauge wire and breaker do I need?

    Hello, DIY electrical question here. I have a 100amp breaker panel in my pole barn. I am trying to wire in a system which requires a max 80amp input with max 60amp output with a minimum 4AWG. My question is what gauge wire do I need to run from my panel? And what size breaker do I need? Would I...
  17. W

    sub main breaker tripped by 20+ sub sub breakers

    I have been living in this house for five years. From time to time, the sub main breaker (bottom-right in pic1, the RCCB breaker that is tripped in the photo) for the ground floor would be tripped. This happens during the raining season (June to October). In the dry season, there is no problem...
  18. F

    What brand is this panel?

    Can anyone identify the manufacturer of this panel? What type of breakers it takes? Slim breakers possible?
  19. R

    Problems with circuit breaker tripping

    I have a circuit on my back patio that keeps tripping periodically. No apparent reason, it just trips when nothing is on
  20. 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...

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