Recommended · for some experience
How To Determine If Voltage Is Real Or a Ghost Voltage Using your Fluke Digital Multimeter
Why people recommend it
Explains ghost voltages and how a meter's low impedance setting tells real mains voltage from induced readings, shared in safety discussions.
Watch for: Treat any unexplained voltage as live until proven otherwise
In their words
Like the Fluke T90, to make sure what you measure is correct, and not a "ghost voltage".
Jeroen3 on electronics.stackexchange.com, May 2018. CC BY-SA.
When I was seaching info related to my previous question, I just came across the following video about ghost voltage:
floppy380 on electronics.stackexchange.com, Jan 2017. CC BY-SA.