Leviton GUAC1-W 15A SmartlockPro GFCI USB Outlet - Fast Charging

In this review the Leviton GUAC1-W 15A SmartlockPro Self-Test GFCI Combination with Type A & Type-C USB is evaluated for homeowners and professionals who need code-compliant GFCI protection with high-power USB charging built in. The bottom line: this outlet is for anyone who wants reliable ground-fault protection plus fast, high-current USB ports without running separate chargers, and its built-in self-test and tamper-resistant design make it a practical, safety-first upgrade for kitchens, baths, and finished basements.

Key Features

• Powerful USB: Two high-powered USB ports deliver a combined 4.8A of charging power so smartphones and tablets charge faster than with standard USB outlets.
• Self-test safety: The device automatically performs internal tests to confirm GFCI readiness and will deny or trip power if a fault is detected for continuous protection.
• Code compliance: Built to meet NEC requirements for locations that require GFCI protection, so it is suitable for kitchens, bathrooms, and other wet areas.
• Smart charging: Internal smart chip technology supplies over 2X the charging power of typical GFCI USB outlets for more consistent fast charging.
• Status indicator: A simple status light provides intuitive visual feedback on the device condition, making it easy to confirm normal operation at a glance.
• Tamper-resistant outlets: Built-in shutters help prevent foreign objects from being inserted into the receptacle for added safety around children.

Who It's For

The GUAC1-W is ideal for homeowners, electricians, and property managers who need a single device that combines GFCI protection with robust USB charging; it fits well in kitchens, bathrooms, laundry rooms, hallways, and other areas where code requires ground-fault protection. Users who want to eliminate bulky external chargers while keeping outlets available will appreciate the built-in Type A and Type-C ports and the higher combined amperage.

This outlet is not aimed at situations requiring dedicated high-current charging for multiple tablets simultaneously beyond the rated 4.8A combined output, and those needing smart home automation or remote control features should look elsewhere, since this product focuses on safety and charging power rather than networked capabilities.

Pros & Cons

Pros

• Reliable GFCI protection with automatic self-test that simplifies safety maintenance.
• Two high-powered USB ports provide faster charging than many competing GFCI USB outlets.
• Simple status indicator and tamper-resistant design improve everyday safety and usability.
• Code-compliant solution for wet locations, combining outlet and charger in one device to save space.

Cons

• Combined 4.8A USB output is strong for phones and tablets but may limit simultaneous high-speed charging of multiple power-hungry tablets.
• No smart home or network features for remote monitoring or control.

Specifications

Product	GUAC1-W SmartlockPro GFCI Combination
Rating	15A GFCI receptacle
USB Ports	Type A and Type C, 2 ports
USB Output	Combined 4.8A charging power
Safety	Self-test GFCI with status indicator
Features	Tamper-resistant shutters, code-compliant for required locations

Our Verdict

The Leviton GUAC1-W is a practical, safety-focused upgrade that pairs reliable GFCI protection with noticeably faster USB charging in a single in-wall device. It represents good value for homeowners and professionals who need code-compliant protection plus convenient charging without extra adapters; choose it for kitchens, bathrooms, and high-use charging spots.

Frequently Asked Questions

Does this outlet meet code for kitchens and bathrooms?
Yes, the device is intended to fulfill NEC requirements anywhere GFCI protection is required, making it suitable for kitchens and bathrooms.

How much charging power do the USB ports provide?
The two USB ports provide a combined 4.8A of charging power, using smart chip technology for faster charging than typical GFCI USB outlets.

What happens if the device detects a fault?
The SmartlockPro self-test will cause the device to trip or deny reset if a problem is detected, and it may provide visual or audible indication depending on the fault condition.