Control (Complete Guide)
Parts of an electrical system that should be connected to earth ground include
A. metal raceways
B. metal conduit
C. All the above
D. None of the above ✔️ C. All the above
Three-Phase power is transmitted in phases that are ____________ degrees apart.
A. 60
B. 120
C. 90
D. 100 ✔️ B. 120 degrees
Which of the following is not a common voltage supplied by a wye-configured
system?
A. 240 VAC
B. 480 VAC
C. 208 VAC
D. 600 VAC ✔️ A. 240 VAC
A grounded neutral wire can be used as an equipment ground. ✔️
False
A ground fault occurs when ✔️ one of the phases becomes grounded
Which of the following is not part of a fusible disconnect?
A. Fuses
B. Manually-operated switch
C. Enclosure
D. All the above