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Kevin
Kevin, Licensed Electrician
Category: Electrical
Satisfied Customers: 3094
Experience:  30 years Licensed Electrical Contractor in Illinois, Adjunct College Electrical Instructor, Former Electrical Inspector, Diploma: Digital Electronics, FCC Technician License
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I need to know how to use a generator in a power outage.

Customer Question

I need to know how to use a generator in a power outage. There is a 220 receptacle right next to the breaker box in the garage. If I turn off the main breaker, then plug the generator into that receptacle and select a few small breakers to turn on, will that work?
Submitted: 4 months ago.
Category: Electrical
Expert:  Kevin replied 4 months ago.

Hello and welcome to Just Answer. My name is ***** ***** I will be happy to assist you with your electrical question.

1) Whenever backfeeding an electrical panel with a portable generator, you will either require a transfer switch or an Interlock kit to isolate the public utility grid from your generator during a power outage. The XFER switch or Interlock kit prevents utility linemen workers from getting injured or killed while they are working on utility lines during a power outage.

2) The easiest and most cost effective and recommended method is to install an Interlock kit at the main electrical panel. The Interlock will allow you to select which circuits that you want to be powered from the generator.

3) If the generator has a 30 amp/240 volt plug (most common), the main electrical panel will require a 30 amp double pole circuit breaker along with 2 spare circuit breaker spaces. The garage 240 volt receptacle will need to be converted to a power inlet box which must also be compatible with the generator receptacle NEMA rating.

4) You will also require the compatible cord that plugs from the generator to the 240 volt power inlet based on the gen set receptacle NEMA rating.

5) See link shown below for an Interlock kit:

https://www.interlockkit.com/

6) The wall receptacle needs to be converted over to a power inlet. It is a code violation and a safety issue to use a male-to-male cord from the gen set to a wall receptacle. In the electrical industry, we refer to this as a "suicide cord". Suicide cords are never allowed.

If you have any additional questions, just let me know and I’ll be glad to answer them for you.

Otherwise, don’t forget to rate me before you log Off.

Thanks...............Kevin:)

Expert:  Kevin replied 4 months ago.

If you have any additional questions, just let me know and I’ll be glad to answer them for you.

Otherwise, don’t forget to rate me before you log Off.

Thanks...............Kevin:)

Expert:  Kevin replied 4 months ago.

If you have any additional questions, just let me know and I’ll be glad to answer them for you.

Otherwise, don’t forget to rate me before you log Off.

Thanks...............Kevin:)

Expert:  Kevin replied 4 months ago.

If you have any additional questions, just let me know and I’ll be glad to answer them for you.

Otherwise, don’t forget to rate me before you log Off.

Thanks..............Kevin:)

Expert:  Kevin replied 4 months ago.

If you have any additional questions, just let me know and I’ll be glad to answer them for you.

Otherwise, don’t forget to rate me before you log Off.

Thanks..............Kevin:)

Expert:  Kevin replied 4 months ago.

If you have any additional questions, just let me know and I’ll be glad to answer them for you.

Otherwise, don’t forget to rate me before you log Off.

Thanks...............Kevin:)

Expert:  Kevin replied 4 months ago.

If you have any additional questions, just let me know and I’ll be glad to answer them for you.

Otherwise, don’t forget to rate me before you log Off.

Thanks................Kevin:)

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