The 6 Best Voltage Testers
We spent 24 hours on research, videography, and editing, to review the top selections for this wiki. If you are a lineman for your county, a professional electrician or are planning to work in any environment where there may be dangerous live wires, make sure you always have one of these voltage testers on hand to warn you of any potentially harmful situations. When users buy our independently chosen editorial picks, we may earn commissions to support our work. Skip to the best voltage tester on Amazon.
While the lifetime warranty that comes with every Greenlee GT-16 ought to give you peace of mind while using one in the field, its lack of a silent mode or an automatic shutoff keep it from breaking into the upper echelon of voltage testers.
- manually adjustable
- low battery indicator
- puts out too many false readings
|Rating||3.8 / 5.0|
The sensitivity of the Raniaco Triple Level automatically adjusts to the intensity of the perceived voltages nearby, helping to prevent false positive readings among tangles of mixed live and null wires. Its anti-slip design keeps it firmly in your grasp.
- batteries included
- extruded upper grip
- feels hollow in the hand
|Rating||4.3 / 5.0|
To ensure that it always performs with peak accuracy, the Fluke 1AC-A1-II periodically tests its own battery levels and circuit integrity using the company's voltbeat technology. The glowing red tip indicates the presence of a voltage.
- an always-on mode
- two-year warranty
- flimsy power button
|Rating||4.5 / 5.0|
The Milwaukee 2203-20 sounds a loud beep in the presence of any voltage, but the effect has no mute option, so if you're working in a sensitive area, you're going to create a distraction. It's voltage readout is reliable, but non-specific.
- very easy to use
- long battery life
- weak flashlight
|Rating||4.8 / 5.0|
An added safety feature in the LESHP PM8909C activates a visual and audible alarm in the presence of dangerously high voltages. Its automatic power off function deactivates the device after a few minutes of dormancy so that its own batteries last as long as possible.
- made from pvc and abs plastics
- detects between 12 and 1000 volts
- works from 0-40 degrees celsius
|Rating||4.7 / 5.0|
The Klein Tools VCV-T3 comes equipped with an easy-to-read LED bar graph that indicates both the presence and the intensity of a readable voltage. Unlike many other testers, this unit can use its flashlight independently from the testing function.
- very few false positive readings
- intuitive controls
- durable against drops
|Rating||4.7 / 5.0|