Key Takeaways

  • GFCI outlets are critical safety devices that instantly shut off power when they detect electrical imbalances, helping prevent shocks, injuries, and electrical fires—especially around water.
  • They’re required in high-risk areas like kitchens, bathrooms, garages, basements, and outdoor spaces, and upgrading older homes adds meaningful protection for your family.
  • Regular testing matters—monthly checks ensure GFCI outlets are working properly, and frequent tripping or failure to reset is a sign it’s time for professional inspection or replacement.
  • Excel Electrical Technologies provides trusted, local expertise, backed by a 100% satisfaction guarantee, a 10-year workmanship warranty, and a 5-year parts warranty.
  • Whole-home safety inspections go beyond outlets, identifying hidden wiring hazards and improving overall electrical reliability and efficiency.

At Excel Electrical Technologies, we’ve been keeping homes and businesses safe across Chicagoland since 2000. Whether your air conditioner isn’t working due to an electrical issue or your kitchen outlets keep tripping, we’re here to help. We’re a locally owned business that takes pride in doing the job right the first time—offering a 100% satisfaction guarantee, 10-year workmanship warranty, and 5-year parts warranty on everything we supply.

If you’ve ever plugged something in and the outlet “popped,” you’ve likely met a GFCI. These small but essential devices help protect you and your family from electrical shock.

What GFCI Outlets Are

GFCI stands for Ground Fault Circuit Interrupter. These outlets monitor the electrical current flowing through a circuit. If they detect an imbalance—such as electricity traveling through water or a person instead of the intended path—they shut off the power instantly.

You can identify them by the “Test” and “Reset” buttons located between the two plugs. When functioning properly, they help prevent severe injuries or electrical fires caused by ground faults.

How GFCI Outlets Work

A GFCI outlet constantly compares the current going into a device with the current coming out.

  • If everything is normal, electricity continues to flow safely.
  • If there’s even a small difference (as low as 4–6 milliamps), the GFCI immediately cuts off power to prevent harm.

This reaction happens in a fraction of a second—fast enough to prevent serious electrical shock. Think of it as a built-in safety switch that stands guard every time you use electricity near moisture or potential hazards.

Where GFCI Outlets Are Required

GFCI outlets are required by the National Electrical Code (NEC) in areas where electricity and water may come into contact, including:

  • Bathrooms
  • Kitchens (especially countertops)
  • Laundry rooms
  • Garages
  • Basements and crawl spaces
  • Outdoor areas, patios, and decks
  • Near utility sinks or wet bars

Even if your home was built before these requirements were in place, upgrading to GFCI outlets adds valuable protection for you and your family.

Testing and Maintenance

GFCI outlets should be tested at least once a month as well as after a power surge or outage to ensure they’re working properly. Testing only takes a few seconds:

  1. Plug in a small appliance like a lamp.
  2. Press the “Test” button on the GFCI outlet—the power should shut off immediately.
  3. Press the “Reset” button to restore power.

If the outlet does not respond during testing or frequently trips, it’s time to have it inspected or replaced by a licensed electrician.

At Excel Electrical Technologies, we test, replace, and install GFCI outlets as part of our whole-home electrical safety inspections. During this type of visit, our team also inspects your wiring for hidden hazards and will make recommendations to correct irregularities to ensure your electrical system runs safely and efficiently.

Why Homeowners Choose Excel Electrical Technologies

  • Locally owned and operated since 2000
  • Guaranteed price quotes—no surprises
  • 100% satisfaction guarantee
  • 10-year warranty on workmanship
  • 5-year warranty on supplied parts
  • Licensed professionals who treat your home with care

We take the time to understand your needs, and we stand by our work long after the job is done.

Areas We Serve

We proudly serve homeowners and businesses throughout the South Chicagoland Suburbs, including:

Burr Ridge, Chicago, Chicago Heights, Evergreen Park, Flossmoor, Frankfort, Homewood, Hazel Crest, Homer Glen, Lemont, Matteson, Merrionette Park, Mokena, Oak Forest, Oak Lawn, Olympia Fields, Orland Park, Palos Hills, Palos Park, and Tinley Park.

Call Today for Safe, Reliable Electrical Service

If you’re having issues with your outlets or suspect a problem with your home’s electrical system, don’t wait. Call Excel Electrical Technologies or fill out our online form today for a guaranteed quote.

We’ll make sure your home’s power is safe, efficient, and ready to support your electrical needs.