When using an electrical meter to check that a circuit is safe to work on, it is important to verify the proper scale, current, or both that is being used because
a) it may appear that no voltage or current is present and therefore safe
b) the meter will be damaged
c) the user will be subjecting himself or herself to danger
d) the main high voltage transformer circuit will be opened
e) electrical wiring will be damaged by fire or overheating
Answer: A