Voltage Tester Red at stephenabattso blog

Voltage Tester Red. includes both visual and audible signals. First, make sure your hands and the tester are dry and not wet.

8 Types of Electrical Testers and Their Uses
from www.thespruce.com

First, make sure your hands and the tester are dry and not wet. Then, plug the black probe. but how do you read it?

8 Types of Electrical Testers and Their Uses

Voltage Tester Red If the tester detects voltage, the “power on” led in the tip of the tester changes color. Then, plug the black probe. First, make sure your hands and the tester are dry and not wet. but how do you read it?