
Klein Tools ET310 AC Circuit Breaker Finder, Electric and Voltage Tester with Integrated GFCI Outlet Tester
As a weekend warrior tackling various home improvement projects, I often find myself knee-deep in electrical work, whether it’s installing new outlets or troubleshooting pesky circuit issues. One fateful Saturday, armed with my trusty Klein Tools ET310, I embarked on a mission to locate a circuit breaker that had mysteriously stopped functioning. Little did I know, this compact device would save me hours of frustration and a few extra trips to the hardware store.
The Klein Tools ET310 is more than just a circuit breaker finder; it’s a versatile electric and voltage tester that also features an integrated GFCI outlet tester. This handy tool is designed for both professionals and DIY enthusiasts alike, making it a must-have for anyone who works with electrical systems.
What Makes the Klein Tools ET310 Stand Out?
- Quick identification of circuit breakers with minimal effort.
- Integrated GFCI outlet testing for added safety.
- Compact design that fits comfortably in your hand.
- Audible and visual indicators for easy reading.
Are You Ready to Revolutionize Your Electrical Work?
Imagine being able to pinpoint circuit breakers without the hassle of flipping switches or tripping breakers. How much easier would your electrical tasks become? The Klein Tools ET310 promises to make your electrical work not only easier but also safer.
Product Analysis
Key Features of the Klein Tools ET310
- Fast and Accurate Circuit Detection: The ET310 can identify circuit breakers from a distance, ensuring you don’t waste time searching.
- GFCI Outlet Testing: This feature allows you to check GFCI outlets for proper functionality, crucial for safety in wet areas.
- Dual Voltage Testing: The tool can handle both AC voltage and circuit continuity, making it versatile for various applications.
- Compact and Ergonomic Design: Lightweight and easy to handle, it reduces hand fatigue during prolonged use.
Advantages of Using the ET310
- Time-Saving: Quickly locates circuit breakers, cutting down on troubleshooting time.
- User-Friendly: Simple operation with clear indicators makes it suitable for all skill levels.
- Safety First: The GFCI outlet tester ensures your electrical installations are safe and compliant.
Strengths and Weaknesses
“The Klein Tools ET310 is a game-changer for anyone dealing with electrical systems. It’s efficient, reliable, and easy to use.” – Electrical Expert
- Strengths:
- Reliable performance
- Multiple testing functions
- Portable and lightweight
- Weaknesses:
- Limited range for very large homes
- Requires batteries for operation
Design and Build Quality
The Klein Tools ET310 boasts a robust yet lightweight design, crafted from high-quality materials that ensure durability. The bright yellow casing not only makes it easy to spot in a toolbox but also adds a touch of flair. Its ergonomic grip fits comfortably in your hand, allowing for extended use without discomfort.
Comparative Analysis
When placed alongside similar products, the ET310 holds its ground remarkably well. Let’s take a look at how it compares with other popular circuit testers:
Comparison Chart
Feature | Klein Tools ET310 | Fluke 1AC II | Extech ET20 |
---|---|---|---|
Circuit Breaker Finder | Yes | No | Yes |
GFCI Testing | Yes | No | Yes |
Voltage Testing | Yes | Yes | Yes |
Weight | 0.5 lbs | 0.3 lbs | 0.8 lbs |
Price | $49.99 | $59.99 | $39.99 |
Usability and Setup
Setting up the Klein Tools ET310 is a breeze. Simply insert the batteries, plug in the GFCI tester, and you’re ready to go. The intuitive design allows even novices to operate it effectively without needing a manual. I found it particularly handy during my last project, where I quickly identified faulty circuits.
Real-Life Performance
In practical scenarios, the ET310 excels. During my last home project, I used it to troubleshoot an outlet that had stopped working. Within minutes, I was able to identify the correct breaker and resolve the issue. The audible beep and flashing lights provided clear indications, making it impossible to misinterpret the results.
Price Point and Value for Money
Priced at around $49.99, the Klein Tools ET310 offers excellent value for its features and performance. When compared to similar products, it stands out due to its integrated GFCI testing and circuit breaker finding capabilities, making it a smart investment for anyone serious about electrical work.
Customer Support and Warranty
Klein Tools is known for its customer service and support. The ET310 comes with a limited lifetime warranty, ensuring that you’re covered in case of defects. Their support team is responsive and knowledgeable, ready to assist with any inquiries.
Where to Buy
You can purchase the Klein Tools ET310 from various retailers, including:
- Amazon
- Home Depot
- Lowe’s
- Klein Tools Official Website
Recap of Key Points
In summary, the Klein Tools ET310 is a reliable, user-friendly tool perfect for both professionals and DIY enthusiasts. Its ability to quickly identify circuit breakers, combined with integrated GFCI outlet testing, makes it a standout choice in the market. With its ergonomic design, competitive pricing, and excellent customer support, the ET310 is a worthy addition to any toolbox.

Owner/Author of UCCnet.org. Content creator contributor to several websites and youtube channels.