Exam Qs Flashcards

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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

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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

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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.

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4
Q

When should an arc-flash hazard warning should be placed on equipment that may require servicing?

A

While energized (110.16)

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