breakers

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  1. P

    Breakers and buss appear to be overheating on a long-term basis

    My 125A/240V service meter-main/load center is about ten years old, an Eaton MBE1224B125BTS, which (aside from the main common-trip 125A pair) has 12 buss lugs available. Mainly it's used for light residential loads. But since I also do some hobby-level shop fabrication metal work, I run a 50A...
  2. J

    Chint breakers

    Hello everyone, I’m looking to understand the key differences between chint breakers and Schneider breakers. I’ve noticed that both brands are available for a project I’m working on, and I’m trying to make an informed decision. Could anyone provide insights into how these two brands compare in...
  3. R

    Possible to tell which Murray replacement to get without removing the breakers (w/pics)?

    I need to replace two AFCI breakers on our main circuit panel. I have replaced and added breakers to our sub-panel several years ago. When I did so, it was convenient to leave that panel unpowered for more than a few minutes, so I was able to take an existing Murray breaker with me to ensure...
  4. J

    Interlock switch, not powering all of my breakers

    I have hooked up a 30 amp interlock switch to my main panel run off my generator. However, only my light switches work none of my plug-ins have any power. Any input would be helpful. Thanks.
  5. S

    RCD trips with all load breakers open

    My circuit panel has two banks of breakers, each bank protected by an RCD. One of these RCDs has been problematic in that it trips intermitantly. A few months ago it became so frequent that we had the RCD replaced. It would trip regardless of what load breakers were shut or open. No fault could...
  6. R

    Lightning strike damaged 2 AFCI breakers. What to check after replacing breakers and testing outlets

    Background Two weeks ago, lightning struck a tree in our yard. Many circuits tripped and several electronic devices failed. There was a strong smell of ozone/electrical burn throughout the house that has since dissipated. Two AFCI breakers are still problematic. Both serve bedrooms (hence AFCI)...
  7. V

    Dehumidifier trips breakers on one panel but not another

    Hi everyone. I have a basement that was finished years ago. The basement is on a separate panel than the rest of the house. For years I've had several dehumidifiers die various deaths in my basement. I thought it was just bad luck, but now I'm not so sure. My latest dehumidifier started tripping...
  8. S

    How to co-ordinate circuit breakers trip for overload and short circuit?

    Can 50A B type circuit breaker be coordinated with upstream 50A C type circuit breaker to trip earlier on shorts and current overloads?
    • SparkyAus
    • Thread
    • ausie elec breakers circuit circuit breakers how to overload short short circuit trip
    • Replies: 1
    • Forum: Australia
  9. newfutile

    Mixing of circuit breakers

    It's all coming out anyway so it's an acedemic question. Would a Bill consumer unit be comparable with Eaton breakers? An Eaton main switch and mcbs are installed so height differences won't be a problem. I'm changing it for full rcbo with spd board anyway.
  10. soapdoggy

    Were these breakers tampered with?

    Over the holiday period my partner returned home to her apartment with no power. None of the internal breakers in the consumer unit had tripped and so she was unsure what to do. She called an electrician who took the cover off the consumer unit and then showed her these singed breakers across...
  11. B

    underfloor heating and tandem breakers

    Hi, this is a bit complicated. We installed two separate underfloor heating system in our downstairs area. One at 240V and according to the manufacturer at 11.9Amps. The other one also at 240V and 9.7Amps. Because of the lack of space in the 200Amp panel, we connected them to two separate...
  12. J

    Is electric panel dangerous?

    Electrician saw white on breakers (see pic) and says I must replace whole panel with a larger one because it’s overloaded and dangerous. Does this sound right?
  13. S

    Panel out of space (need to add tandem breakers)

    I am looking to install a dedicated breaker (20 amp) for a mini-split AC. My panel is full but I was thinking to install a tandem breaker and free up one slot but I wanted to make sure that me adding another breaker with be within the code. 1) My main breaker is 100 amp, however, the panel...
  14. N

    Solar solar protection for inverter and battery

    Hie. How can I size my protective devices for my solar installations because most breakers keep burning out. I'm I missing something?
  15. 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) ...
  16. R

    Fused fuse board no rcd or breakers eicr rating

    Hello I live in a rental in scotland and have recently had an EICR carried out. I have an old fuse wire fuse board on a wooden plate with no rcd or breakers, I had assumed this would be a C1 or C2 but this came back as a C3. Surely this is incorrect if the plastic fuse boards are C3s surely no...
  17. T

    Do Breakers trip on irms(total)

    Hi, Say i have a 16A load on a Mains 16A circuit at 230VAC. If its not power factor corrected, then is there a danger the breaker could trip? (due to the reactive current being high aswell).
  18. HappyHippyDad

    What ratings are these circuit breakers?

    I've been a bit silly and forgotten to jot down the current rating of the circuit breakers in preparation for a CU change! I've had a look on line but I'm still not sure! I'm pretty sure the 2 white ones are 6A. The red is perhaps 32A? Black 40A? orange?? The last one I can see says 45A...
  19. TheAverageJoeDIYer

    Can I add some tandem breakers?

    I've done a significant amount of wiring in my previous work shop; but just moved to a new location. I have the need to wire up two 220v plugs. When I opened the breaker box I was disappointed to see every slot used! It appears that my box is a V-2813 with a max of 40 circuits. I just want...
  20. txsmed

    Crouse-Hinds LW020PR Rainproof+ 200 amp main lug. Will it accept tandem 20 amp breakers?

    I need to free up space for a 50 amp breaker by combining 2 20 amp into a single tandom breaker. I can not find any information on this model number. Will this lug accept tandem breakers.
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