How do I kill the power from my main breaker?

Steve Kondris
by Steve Kondris
I have a home built in 2006, the main panel does not seem to have a main breaker...? See attached pic of the main panel. It's a Siemens G3040 200 amp panel.

Outside everything is locked up, so not sure where else to look.

I'm sure it's simple, but I'm not a pro, so would love some help so I can add some breakers for my basement I'm finishing.

Thanks in advance
  14 answers
  • Ken Ken on Jan 23, 2017

    If there is no main breaker located in the circuit breaker panel, it will be in a panel very near where the electric company's meter is. If the panel is locked and you have no means to get it open, have someone remove the lock and replace it with a lock you can access when needed.

  • Lynne Webb Lynne Webb on Jan 23, 2017

    I thought mine outside was locked up but found out that particular box opens from the bottom and swings up. It's hard to get open. See if you can find a little tab sticking out at the bottom of the box, press downward just a bit and try to get it open. My clue was there were no side hinges on the box cover so I had to open another way.

  • HausDoctor HausDoctor on Jan 23, 2017

    The main breaker outside is dual purpose: it lets you shut off everything in your house and lets the fire department do the same. IT CANNOT BE LOCKED EVER BY ANYONE IN ACCORDANCE WITH THE FIRE DEPARTMENT AND YOUR HOME OWNERS INSURANCE CARRIER, be careful.

  • Steve Kondris Steve Kondris on Jan 23, 2017

    Ok thanks everyone, I'm betting it's not really locked but just not obvious how to open like was mentioned by one of you. I'll take a closer look today and see if I can't figure it out. Thank you all!

  • Hillela G. Hillela G. on Jan 23, 2017

    Good luck! Let us know how it works out!

  • Ken Ken on Jan 24, 2017

    Actually there is one and only one reason a main breaker is located remotely from the circuit breaker panel: when the power company's service is on a side of the house that is not physically close to where the circuit breaker panel is to be installed, there will be a run of power cables from the service entrance to where the breaker panel is (typically through the attic space) that would be unprotected otherwise.

  • Steve Kondris Steve Kondris on Jan 24, 2017

    My main panel is in the basement and on the same side as the meter....?

    • See 94 previous
    • Ken Ken on Jan 25, 2017

      Most likely in your case the service entrance to the house, although relatively close to the breaker panel, is still far enough away that it was thought prudent to protect the cables in the walls by placing the main disconnect outside. In any event, if the main breaker is not in the breaker panel, it will be located in a box very close to the electric meter. Post a picture of the electric meter and I could point out where it most probably is.

  • Catherine Catherine on Jan 24, 2017

    Check the outside of your house. That's usually where the Main is. Check near your gas or electric meter on the outside of the house.


  • Grouchy Grouchy on Jan 28, 2017

    Pull the entire meter. This means you need to contact the electric company and tell them you have done it because it most likely requires the removal of a metal tag and they will have to install another one.

  • Ken Ken on Jan 28, 2017

    Unless you are a licensed electrician, under no circumstances should anyone "pull" the electric company's meter.

    For the record it's not really necessary to even turn off the main breaker to replace or add an additional circuit breaker if you know what you are doing... I have installed many circuit breakers in my time and do not remember ever needing to turn of the main to do so, nor have any of my electrician friends. In my opinion, if you are not comfortable within the circuit breaker panel you have no business being in there and should seek experienced help

  • Oberlinmom Oberlinmom on Jan 28, 2017

    I'd open your breaker box. Take off the panel. Our main switch was under the panel in the box.

  • Maynard Maynard on Jan 31, 2017

    The thread of your conversation leads me to believe you're not familiar with handling electricity. Do yourself and family a favor, call a licensed electrician, get an estimate, and decide if the possibility of death by electrocution is worth saving that much money. Accidental electrocution is very real, and very permanent.

  • Steve Kondris Steve Kondris on Jan 31, 2017

    Thanks for your concern and word of caution. Tho, to be fair, I feel like being familiar with handling electricity and being familiar with panels are not necessarily one and the same. Tho I'm not a licensed electrician and do not have experience working with panels, that does not mean I have zero background in electrical systems.

  • Johnavallance82 Johnavallance82 on Jan 16, 2024

    Just be careful, If you are not sure of what to do, ask a friendly neighbour or electrician to help you this time. Watch and Learn!