Technician A says that the voltage regulator on many current linehaul trucks is set for a maximum 13.8 volts. Technician B says that when voltage regulators are set at a voltage exceeding 14.0 volts, light bulb life is shortened. Who is correct?

A. Technician A only
B. Technician B only
C. Both A and B
D. Neither A nor B


Answer: C

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