Exam Qs Flashcards
1
Q
On a 4 wire, delta connected system where the midpoint of one phase winding is grounded, what color should the ungrounded conductor with the highest voltage to ground be? (high leg)
A
Orange
2
Q
When installing PV source circuits in a rigid PVC conduit outside a building what should be done regarding an equipment grounding conductor?
A
The EGC should be ran inside of the conduit
3
Q
What is the maximum latitude the sun can achieve a 90 degree altitude angle?
A
Approx. 23.45º north and south of the equator, but like magnetic
declination, the latitude of the Tropics varies over time.
4
Q
When should an arc-flash hazard warning should be placed on equipment that may require servicing?
A
While energized (110.16)
