HOLT Electricians Practice Exam

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Electric discharge lighting fixtures with an open circuit voltage exceeding what value should not be installed in dwelling occupancies?

500 volts
750 volts
1000 volts
1200 volts

The correct answer is: 1000 volts

Electric discharge lighting fixtures are commonly used in various residential and commercial applications. However, when dealing with safety regulations and electrical codes, it is critical to consider the voltage levels to prevent hazards such as electrical shock or fire. The correct threshold for open circuit voltage in dwelling occupancies is established at 1000 volts. Exceeding this voltage level poses significant safety risks, as higher voltages can lead to increased chances of electrical shock, particularly to untrained individuals who may come into contact with these fixtures. Electrical codes are created with safety in mind, balancing functionality with the need to protect occupants in a dwelling. By adhering to this standard, electrical installations ensure that safety measures are prioritized, ultimately contributing to the well-being of the inhabitants. This is why the figure of 1000 volts is crucial and widely recognized in regulatory guidelines for residential installations concerning electric discharge lighting fixtures.