The pocket-sized voltage detector

• The next generation VoltAlert™ AC non-contact voltage testers from Fluke
  are easy to use – just touch the tip to a terminal strip, outlet, or supply
  cord.
  
• When the tip glows red and the unit beeps, you know there's voltage
  present.
  
• Electricians, maintenance, service, safety personnel, and homeowners can
  quickly test for energized circuits in the workplace or at home.