Using A Voltage Detector

By Robert Robillard on Tool Review Videos, Tool Reviews

What Is A Voltage Tester?Using A Voltage Detector

A voltage tester is a tool that determines whether there is electrical current flowing through a wire, it is also used to test for proper grounding. A quality voltage tester usually has a LED visual and an audible indicator when the circuit your testing is live.  When purchasing a voltage tester buy one rated for up to 500 volts, I prefer the pencil types over the dual wire voltage tester.

How Do You Use A Voltage Tester?

To use a voltage tester, touch the device to  wire or connection your testing.  If the component is receiving electricity, the light in the housing will glow and audible will sound. If the light doesn’t glow, the trouble is at this point.

Which Voltage Tester Do I Recommend?

I recently received the new Milwaukee CAT IV 1000 volt Voltage Detector with LED.   After using this in the field on remodeling and renovation projects it quickly became my favorite tester, replacing my trusty Fluke tester.

It’s compact, super easy to use and the LED and visual and audible indicator are great features.  The Milwaukee CAT IV 1000 volt Voltage Detector with LED sells for approximately $ 25.00.

Milwaukee CAT IV 1000 volt Voltage Detector

The Milwaukee CAT IV 1000 volt Voltage Detector with LED addresses two needs for the user:

1. It  detects voltage at a wide range of 50-1000 AC with the highest safety rating available,

2. It has an extra bright LED work light to illuminate the work space.

The Milwaukee CAT IV 1000 volt Voltage Detectors integrated LED work light that is 3 times brighter, and has a loud buzzer, not to mention the highest safety rating of Milwaukee CAT IV 1000 volts. A  built-in a power-on indicator lets users know if their batteries are working before testing.

The new voltage detector provides a durable tip for checking outlets, and when voltage is present, the tool alerts the user both audibly and with a visual indicator that is visible on all sides.

Milwaukee Cat IV 100 Specifications (2202-20)

Voltage Range – 50-1000 Volts AC
Safety Rating – CAT IV,1000V

Includes 2202-20 Voltage Detector with LED and (2) AAA Batteries. It sells for $23.00 online here:

This review contains my opinion of a product. I take pride in providing my readers with an honest and objective information as well as a practical approach to using a product. I never accept payment in exchange for a positive review. Many of the tools and products are provided to for free by a manufacturer for review.

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About the author

Robert Robillard

Carpenter / Remodeler / Editor

Rob Robillard is “The Concord Carpenter” Rob is a builder, general contractor, carpenter, woodworker, and editor of Concord Carpenter and ToolBoxBuzz As a General Contractor and carpenter, Rob owns and operates Concord Carpenter LLC. A full-service remodeling and construction company. Rob is a recognized leader in home building best practices and a source for how-to information for building professionals. On this website, Rob covers all aspects of home construction, building science, home improvement, woodworking, remodeling, and some of the best product and tool reviews. Rob is in charge of our Tool and Product Review series - Concord Carpenter Videos where we post all of our tool reviews and video tutorials. Rob approaches remodeling and building construction with a pragmatic and problem-solving approach. He enjoys using his knowledge and experience to help and educate building professionals as well as DIYers on best practices in the construction and remodeling industry. He's a strong advocate for "raising the bar" in the construction trades and promoting the trades to youth. #BeAMentor #Green2Great Craftsmanship, quality, and pride guide his journey on this channel The Concord Carpenter's motto: "Well done is better than well said!" : Read more about Rob

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