Category Archives: Maintenance

Preparing for Absence of Voltage Testing

Posted on July 26, 2013 by Dave Brown

Electrical Testing Safety – Part 1 Before you take a single measurement: Will you be troubleshooting or testing for the absence of voltage? What tools will you use to verify the energized or de-energized state? What Personal Protective Equipment (PPE) … Continue reading →

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Stray Voltages

Posted on December 2, 2011 by Dave Brown

Stray or ghost voltages occur from capacitive coupling between energized circuits and non energized, non connected adjacent wiring. Because of this coupling effect and the multimeter’s high impedance, it’s not always possible to determine if the circuit under test is … Continue reading →

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Device Diagnostics and Asset Management

Posted on February 12, 2011 by Dave Brown

Read about Device Diagnostics and Asset Management in Control Engineering magazine.

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