The electrical disconnect box for a rooftop unit A) is mounted ...

[cagreen833]

The electrical disconnect box for a rooftop unit
 
  A) is mounted on the unit B) is not required for rooftop installations
  C) is mounted on a separate post next to the unit D) is located inside to protect it from the weather

Question 2

When installing units requiring three phase power, the voltages between any two power leads must be
 
  A) within 15 of each other B) Exactly the same
  C) within 3 of each other D) within 10 of each other

[djofnc]

Answer to Question 1

A

Answer to Question 2

C

[cagreen833]

TYSM

[parshano]

Excellent