circuit breaker | Page 3

circuit breaker

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  1. 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...
  2. K

    Can anyway help with Radial circuit maximum floor area help?

    Hi everyone I am doing level3 design andI have a circuit to design but I have confusion with radia circuit maximum floor area to understand? I have a socket to feed on the design and floor area according to my knowledge is Length multiply width so in that case it exceeds 75 m square so I am...
  3. 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.
  4. G

    Fan oven keeps tripping circuit breaker - how to diagnose?

    I've a 10 yr old Neff combination oven (B6447N0GB /05) that failed recently, and I can't get a replacement component. I found a brand new oven - exactly the same model and revision - I thought I was sorted, but it arrived damaged :( So now I have two ovens, and hoping to make a working oven...
  5. B

    What's wrong with this circuit breaker box?

    It might be easier to list the few things right with it. I have noted what appears to be burnt or frayed hot wires. I have only seen the pictures provided but this looks less than professional to me. The house is 1957 construction and may have aluminum wiring (probable cause for the burnt...
  6. T

    multiple circuits stopped getting power same time, replaced all, still no power??

    video explaining/showing problem View: https://youtu.be/VjtsPzzZYrQ this is a eaton cutler hammer circuit breaker. The house was built in 1969 but the breaker was upgraded to this eaton 9 years ago when i bought it. House uses mostly older outlets that are 2 prong, not 3 prong. HOuse does...
  7. B

    Updating 1982 Pre-fab building with fuses & no grounding

    Hello, I have a flat/apartment in a building as described in the subject. I am wondering what to do about the current and additional outlets to have them be safe for kids. The options: -Replace fuse box with circuit breakers -Run ground wiring and connect it to neutral at the junction boxes...
  8. R

    Help with adding a circuit breaker

    I finished framing my bathroom and wired an outlet and switch. I want to connect a 20 amp circuit breaker to the panel. I know the black hot wire is connected to the circuit breaker and it snaps into the panel. Does the ground and nuetral wire connect to the bar on the left? I see there is a mix...
  9. M

    Secondary Transformer Circuit Breaker

    Hi, I'm just curious about what will happen if I use an MCB lower than the calculated current rating. I have a 1kVA 220v stepdown to 110V transformer, calculated downstream MCB current rating would be 11.3625 if i'm right I multiplied the secondary current to 125%? what will happen if I use a...
  10. J

    Circuit Breaker needed for Split Air-con with Inverter

    Hello all. I´m installing a new multi split Air Conditioning (Inverter Type) in my dwelling and I have to purchase all of the electrical parts needed for the installer. I am currently running a 63a Type-A RCCB and I was told by the electrician that I could use the Type-A with a 16a Type-C MCB...
  11. Spark40

    Schneider Electric Acti 9 iC60L MCB Mini Circuit Breaker 4P, 40 A, 10 kA, Curve C

    i have being using my multometer 4023 model on my mcb and its reading 309.3A but to my calculations it should be below 4 amperos can anyone lend me a 320A fuse would be delightful
  12. Empire

    Crabtree f-60 tp&n circuit breaker bs# and short circuit capacity

    Morning All, Having spent many years gleaning information from you all as a non member I've finally needed to join because, try as I might, I just can't find the answer to this puzzle, so here goes. I've just installed, replaced really, a TP sub board that's being fed from a Crabtree 60A STD...
  13. G

    Circuit Breaker drops before Fuse

    I have underfloor heating rated at 3kW. The circuit goes through a fused switch with a 13A fuse in it. That is supplied directly from the main fuse box with a B16 circuit breaker dedicated to that circuit alone. Every time we use the system, it warms up for a bit, then the circuit breaker goes...
  14. J

    Circuit breaker for new belling oven incorrect. Should it be changed to 20Amps or 32Amps?

    Dear all, I recently bought a new under counter belling bi70fp oven. 4.5kw at 240v. I have a circuit breaker on the main switchboard for the oven at 40Amps. I was told this needs changing to a 20Amps. The specification on the oven stated 32Amps. I am confused to the advice. What is the...
  15. Pete999

    Pete's Videos No more threads on why my circuit breaker trips please

  16. Techgenius

    Earth likage circuit breaker

    Hi Guys!I have question,why is the E.L.C.B connected outside the resistance area of any parallel path to the earth? And also I would need the full wiring diagram of the E.L.C.B if anyone has an access to it.Thank you
  17. C

    Tripping circuit breaker

    On return from holiday, I discovered the circuit breaker had tripped out on my fuse board. Its an old board with only one circuit breaker. Trying to reset failed and it tripped again. This also happened two days before I went away, but on that occasion the trip could be reset. The fuse board...
  18. C

    Circuit Breaker Required

    Good Morning, Was wondering if anyone can help me out. I am looking for the following type of circuit breaker for a customer of ours. Have looked into modern replacements but can't find any suitable ones so it's looking more likely that we need a direct replacement. What we are after is the...
  19. W

    Alternative for absolete mini circuit breaker

    Hi there I was told that domestic Wylex NB05 mini circuit breaker (pictures attached) is obsolete. Can someone advise me please if it would be safe to use similar NB05 breaker, which has following differences: - the old one does not have any type. The replacement is Type2.- - the old caries...
  20. gijno

    Shower circuit breaker trip after use...

    Hello, this morning I was having a shower with really really hot water. Shower lasts at least 15 minutes... at the end shower circuit breaker tripped. It does not work any more, when I try to switch it on, it does not "keep the position". I have a brand new circuit breaker, bought some time ago...

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