Final answer:
In electrical systems, any overhead wire should be considered an energized line unless and until it has been confirmed to be de-energized and visibly grounded.
Step-by-step explanation:
In electrical systems, any overhead wire should be considered an energized line unless and until it has been confirmed to be de-energized and visibly grounded. So, option 3: Confirms it is de-energized and visibly grounded is the correct answer.