[taneq]

In those cases you're 'probably fine' but if someone gets home while you're working, sees that the power is out, and goes to check the circuit breaker (as you've probably trained them to do) then you could still get zapped without warning.

[Gibbon1]

That's why central air conditioners are supposed to have a disconnect within sight of the unit.

[Scoundreller]

I thought it was for easy-money from new/unfamiliar home-owners.

https://youtu.be/fUAIBZKeK74 For the Dateline Special.