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.