When wiring a house with a conduit wiring method, a __________ insulated wire cannot be used in a traditional switch loop as a “hot” ungrounded conductor.
a. red
b. white (re-identified)
c. blue
d. black
b. white (re-identified)
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Overdrive gears have ratios of less than 1:1.
Answer the following statement true (T) or false (F)
What must we examine to calculate current in the common conductor of a three-phase, four-wire wye system?
What will be an ideal response?
If a perfectly round hole was reamed into the neutral fiber of a truck C-channel frame rail and the rail was than subjected to a within specification load force from above, how would the hole be affected?
A. should remain perfectly round B. elongate vertically C. elongate horizontally D. should reduce in size
When troubleshooting single-phase compressor motors, it is important that the technician:
A) Check for phase reversal between L1 and L2. B) Measure the phase displacement between the two power legs. C) Check the frequency of the power source. D) Check the start relay, start capacitor, and run capacitor.