Originally Posted by
John Kogel
I use the "nightlight" to test ...
We do a visual inspection, ...
Say what?
As soon as you bring your tools into the house, that "visual inspection" no longer exists.
If that "visual inspection" did not dissipate as soon as you brought your tools in, as soon as you used that testers, AND tester, ... that "visual inspection" ceased to exist.
Do no try to kid yourself, home inspectors DO NOT DO "VISUAL INSPECTIONS", and have not, for at least 20 years or more.
You don't need a multimeter or oscilloscope
, what you need is a good circuit tester, even one of the lesser expensive SureTests will do, as other good brands will.