Greenlee GT-10 110V Outlet Circuit Tester with Polarity

The Greenlee GT-10 is a reliable tool for testing 120V AC grounded outlets. Its key feature is the Polarity Cube, which helps in identifying the correct wiring. With a simple light sequence, it quickly shows whether the wiring is correct or incorrect, making it easy to troubleshoot electrical issues.

Using the Greenlee GT-10 is easy. First, make sure the device is in good condition. Then, plug it into the 120V AC grounded outlet you want to test. Observe the light sequence. If the lights show the correct pattern, the wiring is okay. If not, there might be a wiring problem. When not in use, store it in a dry and safe place. Avoid exposing it to extreme temperatures or moisture. Regularly check for any signs of damage, and if you notice any, stop using it and get it repaired or replaced.