PORTABLE GENERATOR
INTERLOCKS

 the safe and easy way to power your home with a portable generator

Not everyone has a standby generator, but that doesn’t mean you have to be left in the dark during a power outage. If you have a portable generator, a generator interlock makes it easier and safer to power your home. Instead of running multiple extension cords to individual appliances, an interlock lets you connect your generator directly to your electrical panel– giving you a more convenient, reliable, and secure way to keep the essentials running.

WHAT IS A GENERATOR INTERLOCK?

A generator interlock, or breaker interlock, is a safety device installed in your electrical panel that allows you to connect a portable generator directly to your home’s wiring. Instead of running extension cords all over the house, an interlock lets you safely power essential circuits– like your refrigerator, well pump, heating system, and lights– right from your breaker panel.

Why are interlocks important?

Without an interlock, backfeeding power into your home’s electrical system can be dangerous. An interlock ensures that your main breaker and generator breaker can’t be on at the same time, preventing dangerous backfeed into the power grid and protecting both you and utility workers from the risk of electric shock.

With a generator interlock, you get:

  • A safer way to power your home during outages
  • No need for messy extension cords
  • A cost-effective alternative to a full standby generator
  • The ability to choose which circuits get power
OUR COMMITMENT TO QUALITY:

1-YEAR WARRANTY ON PARTS & LABOR

At Hartmann Electrical Contracting, we stand behind the quality of our workmanship and materials. For your peace of mind, all of our electrical services come with a comprehensive 1-year warranty on both parts and labor. This means that for one year from the service date, we will repair or replace any faulty parts or correct any installation errors at no additional cost to you. We are dedicated to providing reliable, lasting electrical solutions for your Monroe County home or business.

We install breaker interlocks for any electrical panel except PushOMatic. Depending on your power needs, we can install a 30 amp or 50 amp inlet box to connect your generator to your main panel. Each system includes a Powerback Reliance Control to notify you when the power comes back on. Whether you have a smaller generator to run just the essentials or a larger one to keep more of your home powered, we’ll help determine the right size system for your home.

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GENERAC Sales Event Free 7-Year Warranty with purchase A $735 US/$945 CAN value* APRIL 6, 2026 - June 12 2026 *Terms & Conditions apply