panel

  1. G

    How to connect 50 amp inlet box to a Siemens 200 amp outdoor combination panel

    Trying to connect a 50 amp inlet box to my Siemens outdoor combination panel 200 amp cutoffs. Can’t figure out where to insert the 50 amp breaker since the 200 amp breakers appear to cover the whole panel. The panel has two 200 amp breakers, but want to connect it to just one of the panel...
  2. S

    Splice wire in the breaker panel or install a junction panel/box and splice there?

    Hello, First of all, thank you in advance for any helpful insights posted in response to my question. I have just moved into a new home. With my new home being in Florida, the thought of a hurricane wiping out power to my home for days or weeks is unsettling. So I've opted to purchase a...
  3. O

    Are solar panel inverters tied to earth?

    I'm in a questions asking mood tonight. I briefely looked at a job today and I need to recommend a board change but need to justify it. Firstly there isn't any main switch, just two RCD's. Looks like an old 16th ed board and someone has replaced the old main switch with an RCD and then looped...
  4. T

    help with short? on panel??

    Can anyone tell me what is going on here? This is a Phono Solar panel, 8 1/2 years old, 10 year warranty. I called installer and he gave me the "well we'll have to come out and see it and test it" after saying in an email it was broken................??
  5. bigspark17

    3 phase surge on reenergising panel board

    Hi all.. Bit of a nightmare afternoon,, testing a caravan park TP&N panel board IR testing while board isolated before returning power (merlin gerin panel board) over the next 30 mins customers on park are reporting loud bangs inside some of there vans, boilers and electric fireplaces (with...
  6. M

    Ground wire(s) in multiple conduits between sub panel and j-box

    At long last my wife is getting her new kitchen and the contractor will be running 10 or so new circuits from a new sub panel. The sub panel, unfortunately, is on an outside wall around 35 feet from the kitchen. The wiring will have to go down the wall, into the crawlspace under the house, and...
  7. S

    Best PV panel cables and connectors to use for replacing existing?

    Hi again. Following my recent zero-Riso issue (unresolved) and also because my system has, in any case, been prone for a good while to the odd 'Low Riso' fault following heavy rain and high winds, I'm going to begin by replacing all the cables and connectors going to my panels. It should be a...
  8. B

    Sub panel install on older Crouse Hinds Board

    I have an older Crouse Hinds board with a 200A service. Due to recent rehab on the house, I found I have the need to install a sub panel. I installed a QO 125A panel, installed the PVC 1.5 inch conduit, and a 100A Siemens breaker in the Crouse Hinds. I then ran the 3 #2 wires to the box, wrappng...
  9. F

    GFCI 240 and 120 in the same panel?

    Hello, I have to install two GFCIs close to my pool. One GFCI 240 volts will take care of the water heather and a 120 volts will take care of the pool pump. I am planning to install a small panel in which I will install both GFCI breakers. Will the GFCIs will work properly if one load more on...
  10. S

    Solar Panel Cable Run, New Build

    Hi all I'm looking for some help on a query I have. I'm currently involved with a new build with the plan to fit Solar in the very near future, which I have never installed before or had any experience. The plan is to fit a 3.4kw system and i wanted to put in the cable ready from where the...
  11. F

    Designing an Electrical Panel with Brum Solution - Busbar Capacity Query

    I need to design an electrical panel, and the main circuit breaker is rated at 250 A. We are implementing a 100% Brum solution for the panel, but Brum's earth and neutral busbars are rated up to 125 A. If I require 20 earth poles, can I use two 10-pole busbars rated at 125 A each? Or does each...
  12. 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...
  13. A

    Finding buried panel

    4 outlets, living room, not on main panel. Can’t find another panel. How can I find buried panel? Built about 1990, Atlanta area
  14. J

    Main panel upgrade for Solar ?

    Hello, I am a homeowner and have a solar project coming up. I intend to install a 9kw solar system but I am not sure if I have to upgrade my main panel or not. I have a 200A main panel with only 3 breaker slots, 1 is 100A double pole breaker feeding the sub panel located inside the home, the...
  15. D

    AC Service Panel Max Solar Backfeed

    Hi, I plan to add solar to my home and have a question about how many amps I can backfeed into my AC service panel using Net Metering. I know NEC 705.12 (D) (3) limits this to 120% of the service panel busbar capacity minus the main circuit breaker rating. I have an old GE panel from the ‘70s...
  16. J

    Replacing Switchboard Panel with smart meter

    I am organising a switchboard upgrade to my property and have recently had a smart meter installed. I am receiving conflicting information regarding whether the meter provider will need to also come out on the same day as the electricians to re-install the smart meter after the new switchboard...
  17. O

    I need my panel upgraded but not my wiring.

    I need my panel upgraded but not my wiring.
  18. G

    How accurate are solar panel output readings?

    Hello Is it possible for solar panel monitoring to over state the actual power generated by the system? My friend’s 6.4kW system has generated 1280 kWh in the 82 days since its commissioning on 1/12/2022. Extrapolation of this output predicts an annual production of around 5,700 kWh which...
  19. G

    200 amp panel amperage flow

    I am trying to understand the amperage flow in my 200 amp main panel. In theory, (example only), let's say you had a 200 main panel installed with (7) single pole 20 amp breakers on each hot leg. So (14) single pole breakers total ... For the sake of this example let's further assume you had...
  20. Designmen90

    Wiring RCBOs inside panel

    Hello everyone, I would be happy to hear your opinion about wiring RCBO inside switchboboards, panels. Here I attached some example. We have 9 (F1-F9) RCBOs, each 20A. If we connect first one (F1) with 16mm2 wire to first phase busbar, second (F2) with 16mm2 to second phase busbar and third (F3)...
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