breaker

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  1. J

    Wire and breaker size

    I'm in tech school and would appreciate if someone checked my work. Thank you We have a 480/277 panel with a 3-pole 45amp breaker feeding a vfd. The vfd main breaker is 50amps 460 volts. I figured #10 cu thhn with a #10 cu for the ground. My question is how can #10 wire be on a 45amp breaker We...
    • JeremyJones
    • Thread
    • breaker screwfix size wire
    • Replies: 4
    • Forum: UK Electrical Forum
  2. A

    Breaker wont turn on

    Hi im new here and im having a problem, i wanted to remove the bathroom vent fan and i cut the wires connected to it without turning off the breaker switch and as i put the cutter on the wire and cutted a little the breaker turned off(Down) and now when i try to turn it on(Up) it turns back off.
  3. A

    GFCI Breaker Trips during Lightening Storms

    Hi All. First time poster here looking for some advice. I have been having issues with a GFCI breaker being tripped whenever we have very close lightening. Here is the current wiring configuration: 20amp GFCI at the panel. This circuit runs outside and powers the pool pump and a receptacle...
    • AndrewB77
    • Thread
    • breaker during gfci screwfix trips
    • Replies: 1
    • Forum: UK Electrical Forum
  4. V

    Electrical Panel breaker wiring

    Hello experts! I ran some 6AWG wiring from my electrical service panel for a 240V outlet in my garage. The builder had provided an empty junction box with a conduit to the panel. So, all I did was fish the 4 wires and added a 50A breaker for the NEMA 14-50 outlet. See the attached picture. My...
    • vikbhatia
    • Thread
    • breaker electrical electrical panel panel screwfix wiring
    • Replies: 2
    • Forum: UK Electrical Forum
  5. E

    Electric furnace wired breaker calculation (canada)

    Hi, can anybody walk me through on the CEC side on figuring out the breaker and wire size for a 240V, 15.7kW electric furnace. I am an electrician and have not worked on residential for a while. Thank you.
    • electricalguy
    • Thread
    • breaker calculation canada electric furnace wired
    • Replies: 1
    • Forum: UK Electrical Forum
  6. I

    Voltage measured when breaker is off

    Hi ther I'm fitting a new IKEA kitchen for my father and have insta Ed a new cooker switch. When testing with cooker breaker off I was sill seeing 9.6v on my multimeter. As I individually switched other breakers off I saw the voltage decrease witheach breaker till i switched off the main...
    • Iron Balls McGinty
    • Thread
    • breaker measured off voltage when
    • Replies: 5
    • Forum: DIY Electrical Advice
  7. A

    AFCI breaker tripping ONLY WHEN grid tie solar system active

    I had solar installed professionally 3 years ago. The home is 10 years old and has 3 AFCI breakers for bedrooms. One AFCI circuit was hardly used. A new mini fridge was plugged into the rarely used circuit. The mini fridge (60 watt) now causes the AFCI breaker to intermittently trip. I moved...
    • aaronrnelson
    • Thread
    • active afci breaker grid screwfix solar system tripping when
    • Replies: 3
    • Forum: UK Electrical Forum
  8. Marti

    Identifying an old Wylex CU Breaker

    I was asked to "just fit a bigger breaker" by a plumber who had installed an electric shower for a customer. Bit surprised he hadn't finished the task but I arrived with a DIN rail full of conventional, spring fitted MCB's. I've seen a fair amount of old kit (East London rentals are full of the...
  9. B

    Power to meter, no power directly under meter at breaker box.

    I am trying to move into a house that has been vacant for 2 years. I called the power company because the power isn't working. They sent someone out, but said the meter is good and we need to hire a electrician. The electrician came out and used a device to see if power was coming out. It...
    • BrittMK
    • Thread
    • box breaker directly meter no power power power to screwfix under
    • Replies: 2
    • Forum: UK Electrical Forum
  10. C

    Pool Breaker Tripping

    Hello, I been having an issue with my breaker to my pool pump tripping. It's an odd scenario that two electricians are unable to provide a resolution. My pool pump is on one breaker and I can run the pump for 24/7 with no issues. My heat pump is on another breaker and when I put my heat pump...
    • cannonball35
    • Thread
    • breaker pool tripping
    • Replies: 24
    • Forum: UK Electrical Forum
  11. 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?
    • goasis
    • Thread
    • breaker circuit circuit breaker earth earth leakage leakage
    • Replies: 18
    • Forum: UK Electrical Forum
  12. J

    Where to attach neutral/ground in breaker panel

    Installing an over the range microwave, ran the (yellow) wire to the box, but where can I attach the ground and neutral wires? The one bus on the right is full, the second bus on the right is empty, but can I use it? Nothing else is attached to it.
  13. 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...
  14. P

    What cable size and breaker would I need for two extractor fans in a public toilet? 1.5mm 3 core and a 20amp rcbo?

    What size cable for 2 extractor fans in a public toilet?
  15. T

    Can I replace one breaker with another?

    I have a square D panel(QOC16UF) with a 20 amp breaker(plus others). This breaker is too small to handle the various outlets and light fixtures in the small kitchen and living room. I purchased a 30 amp breaker and wonder if I can unscrew the front panel from the wall, turn off the main breaker...
  16. S

    RCD Tripping out

    THIS IS FOR ELECTRICAL NEWS ONLY
    • Steffan
    • Thread
    • breaker circuit circuit breaker doing earth out rcd rcd tripping test thoughts tripping trips
    • Replies: 18
    • Forum: UK Electrical Forum
  17. T

    Does removing a socket lower breaker amperage?

    I tried removing a socket. I turned off the power, I snipped the wires off, covered with electrical tape, put those plastic twist nobs on the end each wire individually. Then tucked it all into the "socket hole. I have a plastic cover with no holes i'll be screwing over to cover the whole job...
    • TheBotman
    • Thread
    • breaker lower removing socket
    • Replies: 18
    • Forum: UK Electrical Forum
  18. S

    Looking to upgrade breaker to open up room

    Looking to possible add a double breaker in the box to open up some space for a swimming pool without needing to add a sub panel. Any advice on breakers they might sell?
    • Szawada
    • Thread
    • breaker looking room screwfix upgrade
    • Replies: 1
    • Forum: UK Electrical Forum
  19. M

    Pot lights suddenly tripping breaker every time turned on

    Hi -- I have a series of 5 pot lights, 10-12 years old, in my kitchen, installed (not by me) when the kitchen was redone in 2010. Never had a problem with them, but now all of a sudden they trip the breaker every time I turn them on. I replaced the halogens with LED bulbs almost 2 years ago...
    • mwhyte
    • Thread
    • breaker every lights time tripping turned
    • Replies: 10
    • Forum: UK Electrical Forum
  20. 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...
    • Tangent
    • Thread
    • arc fault breaker circuit circuit breaker home screwfix
    • Replies: 4
    • Forum: UK Electrical Forum

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