Encyclopedia & FAQ's

DIY Frequently Asked Questions / Voltage Tester


  • DIY Frequently Asked Questions / Voltage Tester')"> Also known as a test lamp, a circuit tester, a neon tester or a test light.
  • Consists of two insulated wire probes and a small neon light.
  • Designs vary widely.
  • Used to determine if there is electricity running through a circuit or if it is properly grounded.
  • Recommend as a basic tool for every toolbox.