Use may include

• megohmmeter
• ohmmeter
• light meter
• phase rotation meter
• battery testers
• discharge probe.

Process/Skill Questions:

• What common types of testing devices are used in the electricity trade? What do they measure?
• Why is it important to have the testing device set to the proper function before taking a reading?
• What is the first step when using an ohmmeter?
• How do you identify a resistor by the color band?
• Why should the testing device leads be inspected before taking a reading?
• Why should one know the voltage ratings of the testing device?