220-801 · Question #902
Which of the following devices would provide protection for electronic equipment in an area prone to intermittent, unstable power?
The correct answer is C. Uninterruptible power supply. An Uninterruptible Power Supply (UPS) provides the most comprehensive protection against unstable power conditions. It contains an internal battery that keeps equipment running during outages, brownouts, and blackouts, and also conditions the power to smooth out surges and…
Question
Which of the following devices would provide protection for electronic equipment in an area prone to intermittent, unstable power?
Options
- APower strip
- BSurge suppressor
- CUninterruptible power supply
- DLine conditioner
How the community answered
(37 responses)- A3% (1)
- C92% (34)
- D5% (2)
Explanation
An Uninterruptible Power Supply (UPS) provides the most comprehensive protection against unstable power conditions. It contains an internal battery that keeps equipment running during outages, brownouts, and blackouts, and also conditions the power to smooth out surges and fluctuations. A power strip (A) offers no protection. A surge suppressor (B) only protects against voltage spikes, not drops or outages. A line conditioner (D) smooths out power fluctuations but does not provide battery backup for complete outages. Since the area has 'intermittent, unstable power,' which implies both outages and fluctuations, only the UPS covers all scenarios.
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