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Have a question about Circuit Protection? Ask our Expert, Abhishek Rao

AbhishekRao

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Abhishek Rao

Abhishek is a technical team lead and has extensive experience and expertise in the field of circuit protection. He holds B.E in Electronics & Telecom Engineering and extends application support for the Littelfuse line of products.


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  • I live in a 12 unit complex and have a question regarding the main electrical circuit breaker box located outside the apartment complex.
     
    Inside all apartments and most homes, there is an electrical panel box which has switches, levers or for older places, cartridges that each control the power, oven, hot water and so on.
     
    I wanted to know with the main circuit breaker located on the outside of my apartment complex, granted that these apartments were made in the 1970’s. Irrespective, as I observed the main circuit breaker box on the outside of the apartment complex, I noticed  a row of 12 or so cartridges next to one another. I wanted to know, could the electrical power to a single apartment be turned off from the main circuit breaker box located outside the apartment complex if one of these cartridges are removed?
     
    Or better put, is it possible to turn the power off to a single apartment from the main circuit breaker box which would override the ability of the electrical panel located within that apartment?
     
    The reason I bring this up is because I do remember an electrician knocking on my door saying that the power is going to be turned off for a few hours, how was he able to disable power without entering my apartment, did he simply remove the cartridge from the main circuit breaker located on the outside of the apartment complex?
     
    Thank you for taking the time to read this, much appreciated. Look forward to hearing from you all.
  • in reply to Former Member

    Hi Vlad,

     

     

     

    For 12 apartment complex there should be 12 CB systems, 1 for each complex. The mail CB systems will be for protecting the electrical systems from external interference, over current & voltage due to lightning etc.

     

     

     

    The CB system inside each home is for protecting from the accidental short circuit inside your home.

     

     

     

    Coming to your question, if main CB system is switched off then entire apartment complex power should go off.  In these systems I don’t think that you can turn off the power of the single apartment.

     

     

     

    Hope this addresses your request.

     

     

     

     

     

    Thanks & Regards,

     

    Abhishek.R.Rao

     

    Techinical Support team

    element14

    T: +91 80 40003832

    www.element14.com <http://www.element14.com>

     

    Disclaimer:

     

    The ultimate decision on the suitability of parts or advice in the customer's application is solely a decision that should be made by your customer.

     

    P Please consider the environment before printing this email

Reply
  • in reply to Former Member

    Hi Vlad,

     

     

     

    For 12 apartment complex there should be 12 CB systems, 1 for each complex. The mail CB systems will be for protecting the electrical systems from external interference, over current & voltage due to lightning etc.

     

     

     

    The CB system inside each home is for protecting from the accidental short circuit inside your home.

     

     

     

    Coming to your question, if main CB system is switched off then entire apartment complex power should go off.  In these systems I don’t think that you can turn off the power of the single apartment.

     

     

     

    Hope this addresses your request.

     

     

     

     

     

    Thanks & Regards,

     

    Abhishek.R.Rao

     

    Techinical Support team

    element14

    T: +91 80 40003832

    www.element14.com <http://www.element14.com>

     

    Disclaimer:

     

    The ultimate decision on the suitability of parts or advice in the customer's application is solely a decision that should be made by your customer.

     

    P Please consider the environment before printing this email

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