A resource for safe and effective troubleshooting from the leaders in simulation training.
Welcome back, Troubleshooters! Today on Troubleshooting Thursdays we’re wrapping up our series on locating faults (both shorts and opens) in electrical circuits. In today’s post, we’ll look at the best practices for testing circuits.
Key Points to Remember When Testing Circuits for Faults
- Ensure proper protective equipment is used and that all of your organization’s safety precautions and rules are followed.
- Whenever possible, keep one meter lead stationary on a common reference point and test with the other lead.
- Don’t forget about checking the neutral path. When you get full voltage at the positive or line side terminal of a device that is supposed to be operating and isn’t, don’t stop! Check the return path (negative or neutral).
- When taking resistance readings ensure the circuit is locked out and verified as dead.
- Always open a connection and test from that location,
- Whenever possible, remove only one wire at a time.
- Start testing at the most probable cause, if there is one. If not, test to reduce the problem area.
Note: We recommend you read our information listed on our “do’s and don’ts for using a meter” post.
Stay safe, Troubleshooters, and be sure to check TsT next week for more troubleshooting best practices! Be sure to claim your free TEC module, where you’ll this and other practical exercises to test your skill.
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