HD Electric Co.’s DVI-100T Digital Voltage Indicator with capacitive test point mode is a direct-contact, compact instrument designed to read the voltage on a conductor up to 99 kV line-to-ground.

When working on electrical projects around the home—whether that’s troubleshooting an issue with your HVAC system, repairing an appliance, or testing a car battery—a multimeter is essential. These ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? The Takeaway: The Greenlee TK-30A may be the perfect electrical test kit. It weighs ...

We independently review everything we recommend. We may get paid to link out to retailer sites, and when you buy through our links, we may earn a commission. Learn more› By Doug Mahoney Doug Mahoney ...

The circuit was designed to provide a means for measuring the operating voltage of zener diodes before applying on a circuit. Zener Diode – a special kind of diode that permits the flow of current in ...

For product safety testing, the basic instrument for many years has been the dielectric voltage withstand or high-potential (hipot) tester. But like so many other instruments that must deal with today ...