circuit breaker | Page 2

circuit breaker

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  1. M

    Circuit breaker rate sizing

    Hi all I would like to know what should be the rating of Air Circuit Breaker to select for a Genset based on the following data: 2000k VA PF 0.8 1600k W load connected to the Genset via dedicated busduct. Supply: 415 V I have an idean in mind (whether right or wrong) but I would like you to...
  2. D

    Circuit Breaker Tripping - Sockets

    Hi guys, I'm a novice, so be gentle. Ok, I've attached a photo. 1) I've come home to find none of my sockets working. I've checked my circuit breaker box and as expected the 'Sockets' switch is off. 2) I flicked the switch back to 'On' however the main switch to the right will not go to 'On'...
  3. A

    Adding a 20 AMP tandem circuit breaker

    Hi. I am DIYer who is trying to add a 20 AMP circuit to a residential Challenger SB12(16-24)CN Mod.1 panel. The purpose of the circuit to is to allow the use of a 1400W pond vacuum. My first thought/question is whether this panel is compatible with tandem breakers (ie Eaton BR2020...
  4. J

    Circuit breaker keeps tripping

    15 amp Eaton breaker controls office and 3 hallway lights. 9 year old house. 200 amp panel.. Wind storm last week, breaker tripped. Re set it on, but it keeps tripping. Figured it was toast, so ordered a couple new breakers. (None in stock locally). Pulled an identical breaker from the panel and...
  5. N

    Replacing a Crabtree Starbreaker B32 RCBO 30mA Circuit Breaker Old Type

    Hi, I need to replace a Crabtree Starbreaker B32 RCBO 30mA CIRCUIT BREAKER. 61/B3230 old type which is now obsolete and can only be bought online from Ebay. Comapring the image of the breaker online, there is a small difference to the one that needs replacing. Printed above 30mA is a square box...
  6. R

    DIY, difficulty new cooktop, present wiring & breaker

    I am at a standstill installing the new cooktop until I can determine if the new one works with the present wiring/breaker. (I am keeping in mind the contractor may not have installed the right wiring/breaker for the original (current) cooktop either, so tell me if you determine this is the...
  7. C

    Do Siemens make a 50/50 Quad Circuit Breaker?

    I have a newer all electric manufactured home with a Siemens 200 amp service panel. I'd like to replace my standard water heater with a 24Kw tankless water heater that requires two 50 amp 240v double pole breakers. I only have two side-by-side regular slots available in the panel. Does...
  8. G

    Earth leakage circuit breaker

    From a brief bit of Internet research my understanding is earth leakage circuit breakers monitor voltage on the CPC rather than an inbalance in current between L &N as an RCD does. Is this correct?
  9. HappyHippyDad

    32A or 40A circuit breaker?

    A really simple question. I'm sat here with my coffee and getting confused by it! 7.4kW EVCP. Would I fit a 32A or 40A RCBO? Not concerned with anything else, as it's all sorted, but the fact that the 7.4kW equates to 32.17A has thrown me. I was just going to use a 32A RCBO, but really I should...
  10. S

    RCD Tripping out

    THIS IS FOR ELECTRICAL NEWS ONLY
  11. T

    Tiny Home Circuit Breaker Help

    I purchased a 2020 tiny home in November of 2020. Since then I have had one 15 amp arc fault breaker tripping frequently. The arc fault light comes on when reset. Another 15 amp arc fault breaker has also tripped a couple of times, but not nearly as often. I have checked outlets and...
  12. H

    Strange circuit breaker activity?

    Hi there. I'm dealing with a difficult to locate problem with our 120V landscape lights. My first thought was there was a short somewhere in the run, but there seems to be something additional going on at the circuit breaker or closer to it. The circuit (one bundle of white, black, green)...
  13. M

    15

    Just wanna ask about Power Draw Like moved to a Townhouse in December, Built in 1971 How can I add up like I have a PC, Monitor, HDTV, CRT Set Can I add mAh or Watts up? So I can explain to my brother, He thinks most of my older Console will trip the 15 Amp Circuit Breaker I have like...
  14. G

    LED light - Circuit breaker

    Hi all, I'm hoping to tap into the wealth of advice on here to help me solve my LED light issue. Background: Brought an expensive dimmerable LED light from a UK company in August – Light fitting made and shipped from Hong Kong. Light was installed by replacing the old standard wiring with ease...
  15. D

    Circuit breaker has tripped

    I found that the circuit breaker had tripped on the downstairs lighting circuit after a light didn’t turn on. I don’t know what caused it but I found the the water heater breaker had also tripped (I assume is the water tank heater in the airing cupboard). I could reset the water heater but the...
  16. G

    Circuit breaker box question

    Greetings, everyone! I am trying to do a small, simple job: replacing an outlet in one of the bathrooms on 2nd floor of our house. To do this, I am trying to shut off the power to that outlet. The breaker box was labeled by someone else (probably the previous owner). Alright... So I tried all...
  17. Andy5678

    Circuit breaker

    Has any one seen these new Circuit breaker lock downs I have been hearing about in the news?
  18. 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...
  19. 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...
  20. 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

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