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Greenlee's TR-12A Universal Non-Contact Voltage Detector

Greenlee-TR-12AGreenlee's TR-12A is the first non-contact voltage detector designed specifically to test tamper-resistant receptacles.


  • Detects voltage in tamper-resistance receptacles
  • Patented automatic self-test and design. Other patents pending
  • Bright LEDs flash and audible alarm sounds if AC voltage is present
  • Silent mode for use in quiet areas
  • Safe, non-contact voltage detection
  • Automatic shut-off extends battery life
  • Lifetime Warranty
  • Designed and assembled in USA

 Greenlee Spec Sheet -TR-12A