Gas Fitter Practice Test

What is the approximate secondary voltage range of an electronic air cleaner?

1. 120 - 240 volts

2. 600 - 1,000 volts

3. 2,000 - 5,000 volts

4. 9,000 - 12,000 volts

The correct answer is: 9,000 - 12,000 volts

The approximate secondary voltage range of an electronic air cleaner is between 9,000 and 12,000 volts. This high voltage is essential for the operation of electronic air cleaners as it helps to create a strong electric field that allows these devices to effectively capture and remove airborne particles and pollutants from the air. The intense voltage ionizes particles, making them more likely to adhere to the collection plates within the unit. In contrast, lower voltage ranges, such as those associated with the other options, would not be sufficient to achieve the necessary ionization and cleaning efficiency required for effective air purification. Therefore, the 9,000 to 12,000 volts range accurately reflects the operational requirements of electronic air cleaners, allowing them to perform optimally in maintaining air quality.