CISA · Question #137
In an area susceptible to unexpected increases in electrical power, which of the following would MOST effectively protect the system?
The correct answer is B. Voltage regulator. A voltage regulator (also known as a power conditioner or surge protector with voltage regulation) directly addresses the risk of unexpected increases in electrical power by continuously monitoring and stabilizing voltage to a safe, consistent level, protecting equipment from spi
Question
In an area susceptible to unexpected increases in electrical power, which of the following would MOST effectively protect the system?
Options
- AGenerator
- BVoltage regulator
- CAlternate power supply line
- DCircuit breaker
How the community answered
(48 responses)- A4% (2)
- B92% (44)
- C2% (1)
- D2% (1)
Explanation
A voltage regulator (also known as a power conditioner or surge protector with voltage regulation) directly addresses the risk of unexpected increases in electrical power by continuously monitoring and stabilizing voltage to a safe, consistent level, protecting equipment from spikes and surges. A generator (A) provides power during outages-it does not protect against overvoltage. An alternate power supply line (C) provides redundancy but the alternate line would carry the same voltage irregularities. A circuit breaker (D) interrupts excessive current flow but does not regulate or condition voltage, so equipment may still be damaged before it trips.
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