When a warning ribbon is required to mark the location of buried underground service conductors, it must be placed at least __________ inches above the buried conductors.
A) 8
B) 12
C) 18
D) 24

Question

Quizplus · Accepted Answer

The correct depth for placing a warning ribbon above buried underground service conductors is 12 inches. This standard helps ensure that any excavation activities that might occur near the buried conductors are alerted by the warning ribbon before reaching the conductors themselves, providing a measure of safety.

When a Warning Ribbon Is Required to Mark the Location