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  1. M

    230v breaker ratings

    **DIY'ing a campervan, trying to plan the electrics myself before getting help to install so I understand what is going on under the hood. (Engineer by trade, can't help myself) Questioning my basic understanding of circuit breakers and plug sockets: If a standard plug is rated to 13A, do you...
  2. F

    89 mobile home breaker and wire gauge question

    Ok so live in 89 mobile home ugh I really need lots of work but I'm on disability and I cannot afford electrician but I've been working with all kinds of cables wires and electrical probably unsafe as a kid but lol anyway there are way too many plugs on one circuit not what I'm here about tho it...
  3. U

    Unexplained breaker tripping

    👋 First time poster here. My name is Melissa and I’m asking for advice regarding my mom and stepdad’s home. He tried for 4 days to work the problem before I convinced my mom to call an electrician due to fire concerns, who also found nothing wrong. He told us to check appliances one by one to...
  4. OhhhMy

    Residual Circuit Current Breaker triggering. Why?

    Hi! I'm new here, so, please, be gentle... Decided to add some extra features to my old and simple barn's electric system to make it safer and measure the consumption. It's a three phase 230/400 volt line. The neutral, as far as I know, is grounded at the step-down transformer. I don't have a...
  5. 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...
  6. L

    For a 13K peak (10K running) generator, what gauge wire and breaker amperage is required?

    Installing a 13K peak (10K running) generator 190 feet from the panel. The portable generator is housed in a shed at the end of the property. What gauge wire and breaker amperage is required? Getting mixed information. Differing voltage drop calculators and breaker suggestions have me confused...
  7. T

    Is there such thing as 4kW, 115VAC , single phase equipment?

    Hi, We are being asked to make a power supply for a Bass amplifier......its 4kW, from 100-265VAC. Does that sound right? Woudlnt 4kW from 115VAC always be done with three phase? (this kit is for mulitple different countries)
  8. S

    20 amp breaker trips

    The 20 amp breaker that protects ceiling can lights trips with increasing regularity. It takes a few tries to get it to reset. The can lights (led bulbs installed 2 years ago) are on older dimmers. They worked fine until recently. Should I start by replacing the breakers, the dimmers, or...
  9. K

    Replacing a standard slimline GE breaker with AFCI on a mulit-wire circuit

    Hi all! I am new to this forum. I will be updating an electrical 20 amp circuit from a home built in the early 80s. Since I am modifying a circuit, the NEC requires that I update the existing circuit breaker with an AFCI. As you know, the AFCI is twice as wide as the existing slim line GE...
  10. 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...
  11. C

    Heavy duty DIY next door possible cause of oven tripping circuit?

    Hello, new here! Would greatly appreciate some input. I'll first say I intend to get an Indesit technician to take a proper look tomorrow, but I'm curious. A couple of hours ago I tried to switch the main oven on as usual - the oven is only 2-3 yrs old - and a spark came from behind the...
  12. T

    10/3 120ft. Black and red On 1 breaker to keep amps up. What is the max breaker for that?

    10/3 120ft. Going to an out building. Black and red On 1 breaker to keep amps up. What is the max breaker for that setup?
  13. Scott J Walker

    UK Post Smart Meter Main Breaker Tripping Intermittently

    My grandparents are having problems after the installation of a smart meter (against my advice) and now the circuit breaker trips intermittently during the Day part of Economy 7 with no other discernable pattern. Sometimes it will switch off after being toggled on again before a few minutes...
  14. M

    Breaker Box and the Electric Company

    Two electricians looked at the breaker box in an older mobile home in the US. They said things are fine and the electric company just wants money. The electric company says in order for them to turn on power for the mobile, the breaker box has to be moved. They cut the lines at the top of the...
  15. P

    Gfci breaker tripping

    Just installed a “used” Gfci circuit breaker on my panel. New CB’s not made for this older panel. Without a load wire even attached, CB will not hold and instantly trips when power is applied. Pig tail neutral attached to neutral bar. When I disconnect pigtail from neutral bus, CB will hold when...
  16. C

    Two outlets in my garage are not working but no breaker has been tripped

    Both outlets are connected to a round pan box in the garage with a transformer on it
  17. L

    20AMP Breaker to 15AMP GFCI Wiring

    Currently I have a 20AMP breaker with 12 gauge wire going to a 15AMP GFCI receptacle in a bathroom. The receptacle is the only item on this circuit. I'm adding a 120v heated floor to the bathroom w/ thermostat. The specs call form only a 15AMP breaker. I plan on bringing the power to the...
  18. J

    60 amp 240 v breaker in 100 amp sub panel

    Hello, My sub panel is 100 amp (from a main of 200 amp) and it currently has a 20 amp 240 v breaker for A/C and then only lights and outlets. This is not a house, just a remote building with toilets, shower and outside kitchen. I want to add an instant on tankless water heater that requires a...
  19. Msitekkie

    OK to swap B MCB for Type C or does my C load have to go on it's own breaker?

    I have a customer who want's me to fit a 3Kw Patio heaterto a garage. - I believe this requires a Type C breaker. There is limited space in the board, so wanted to get peoples views on whether it's OK to swap an existing B type (used for sockets) for the C type, or whether the C type load needs...
  20. L

    3Phase Motor breaker - overload schematic

    Hi all, I recently bought a CNC router and dust collector and need to connect it to my 3x380v+N power source. I want the CNC router connected to the under/over voltage protection and the motor also connected to the overload protection. Can someone please check if I connect the machines as in my...

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