Which of the following NEC® sections provides the requirement for the concept that the requirements for grounding in Chapter 5 through Chapter 7 can modify or supplement the rules in Chapter 1 through Chapter 4?
A. 517.17
B. 250.118
C. 250.3
D. 90.3
D. 90.3
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Technician A says most drive shafts have a slip yoke and three universal joints. Technician B says a drive shaft may vibrate if the balance pads are missing off of the tube. Who is correct?
A. A only B. B only C. both A and B D. neither A nor B
The technician should study the suppply and return air ductwork through the system.
Answer the following statement true (T) or false (F)
If the signal wires from feedback devices are routed next to high-power cables, ____ can occur.
A. interference B. hysteresis C. overhauling D. overheating
Brake hard enough to feel a slowdown when you are speed has been reduced to 5 miles per hour below your safe Speed release the brakes when your speed has increased to your safe speed repeat these steps
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