FLUKE VOLT ALERT
An Easy-To-Use Voltage Detector. VoltAlert™ AC voltage testers from Fluke are easy to use. Just touch the tip to a terminal strip, outlet, or cord. When the tip glows red, you know there’s voltage in the line. Electricians, maintenance, service, safety personnel, and home owners can quickly test for energized circuits and defective grounds on the factory floor, in the shop, or at home.