Milady Esthetics State Board Practice Test

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What is the common voltage level for most household appliances?

110 volts
220 volts
330 volts
440 volts

The correct answer is: 110 volts

The common voltage level for most household appliances in the United States is 110 volts. This level is used for a wide range of devices, including lights, small kitchen appliances, and electronic equipment. The 110-volt system is designed for safety and efficiency in homes, as it provides enough power for everyday uses while minimizing the risk of electrical shock or fire. In contrast, the other voltage levels mentioned—220 volts, 330 volts, and 440 volts—are typically used for larger appliances and industrial settings. For example, 220 volts may be used for heavy appliances like dryers and air conditioners, which require more power. However, for the majority of standard household appliances, 110 volts remains the standard, making it the correct answer in this context.