Leviton's Reset Lockout Technology: The Safety Upgrade that GFCIs Needed

Leviton GFCI

How Leviton's Reset Lockout Technology Solved a Hidden Safety Risk in GFCI Devices

For decades, Ground Fault Circuit Interrupters (GFCIs) have been a cornerstone of electrical safety, protecting people from shock in kitchens, bathrooms, garages, and outdoor spaces. But even as GFCIs became more common, a subtle but serious issue persisted that could compromise safety without anyone realizing it.

The problem? Traditional GFCIs could be reset even when they weren’t wired correctly or had stopped functioning. That meant power could be restored to a device that wasn’t providing protection. Leviton recognized this risk and responded with a breakthrough: Reset Lockout Technology.

The Line-Load Reversal Problem 

One of the most common wiring mistakes during GFCI installation is reversing the line and load terminals. This miswiring can cause the device to appear functional with lights that may turn on and appliances that may run, but the GFCI won’t trip during a ground fault. In other words, it’s not protecting anyone.

Before Reset Lockout, there was no easy way to detect this error. Installers might complete a job unaware that the outlet wasn’t providing safety. Homeowners could reset a failed device and continue using it, assuming they were protected.

Leviton's Safety First Solution

Leviton Smart Lockout GFCI

Leviton’s patented Reset Lockout Technology was designed to eliminate this risk. If the device is miswired, lacks power, or has reached the end of its life, it simply won’t reset. The outlet remains off until the issue is resolved, ensuring that only a properly functioning GFCI can deliver power.

This innovation does more than protect the end user. It gives electricians and contractors a built-in diagnostic tool during installation. If the device won’t reset, it’s a clear signal that something’s wrong whether it’s a wiring issue or a failed unit. That means fewer callbacks, faster troubleshooting, and safer installations.

Designed for Long-Term Protection

Leviton GFCI Outlet test/reset buttons

GFCIs should be self-tested monthly using the built-in test and reset buttons. Over time, exposure to moisture, surges, or wear can cause a GFCI to fail. With Reset Lockout, Leviton ensures that a failed device can’t be reset and reused. Instead, it alerts the user to replace the unit and maintain proper protection.

Innovation That Sets Leviton Apart

Leviton didn’t just follow safety standards, it helped raise them. By solving the reset vulnerability with smart engineering, Leviton gave professionals and homeowners a more reliable, intuitive, and safer GFCI solution. Whether you're installing a new outlet or maintaining an existing one, Leviton’s SmartlockPro® GFCIs with Reset Lockout Technology are built to protect, right from the first wire to the final test.

Looking for GFCIs that won’t reset unless they’re safe to use? Choose Leviton SmartlockPro® GFCIs with Reset Lockout Technology, the smarter way to protect what matters.

If you have any questions please contact us