Test Before You Touch

Posted on April 26, 2012 by Dave Brown

An overview of the deenergized and ‘test before you touch’ processes. Part of ESFI’s Never Assume Electrical Safety Series – A must for anyone working with or near electricity.

Watch the video: Test Before You Touch by EFSi

More ‘Test Before You Touch’ resources from EFSi

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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 energized or de-energized, and this creates confusion for the person performing the test.

Read more at How Stray Voltage Affects Multimeter Measurements by Fluke.

See also:

Fluke 117 Electrician’s Ideal Multimeter.

and

Fluke SV225 Stray Voltage Adapter Instruction Sheet.

Fluke 117 DMM from Amazon

Fluke SV225 Stray Voltage Adapter from Amazon

Posted in Electrical, Maintenance, Safety, Troubleshooting | Leave a comment

Portable Gas Monitors

Posted on May 9, 2011 by Dave Brown

Sadly, fatalities continue to occur worldwide due to improper confined space entry and unsafe atmospheres. These accidents are preventable with procedures, training, and gas monitoring equipment. Learn more at Portable Gas Monitors.

Posted in Calibration, Instruments, Safety | Leave a comment