Electricity & EquipmentQuestion 93 of 484
Most salon hair dryers, clippers, and overhead lights plug into wall outlets that supply which type of current?
a.Alternating current at 120 V
b.Direct current at 9 V
c.Galvanic direct current
d.High-frequency Tesla current
Explanation
Standard United States wall outlets deliver alternating current (AC) at roughly 120 volts and 60 hertz. Salon equipment such as dryers and clippers is built to run on this AC supply.
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