Which device provides DC power to control circuits from a UPS or battery bank?

Unlock all questions

This demo includes only 20 questions. Upgrade to access hundreds of questions, flashcards, exam simulations, and disable ads.

Full question bankExam simulationsFlashcards
From $25.99Unlock all

Study for the Low Voltage Qualification Test. Explore flashcards and multiple-choice questions with hints and explanations for each, ensuring thorough preparation!

Multiple Choice

Which device provides DC power to control circuits from a UPS or battery bank?

Explanation:
The key idea is distributing DC power for control circuits sourced from a battery or UPS. A DC distribution panel is built to take the DC output from a battery bank or UPS and feed multiple control devices—relays, sensors, PLCs—with proper protection (fuses or breakers) and organization. It creates a centralized, protected DC power source for all the control circuits. The other options don’t fit this role: an AC service panel handles alternating-current distribution from the mains, not DC; a power factor correction capacitor improves reactive power on AC lines and doesn’t supply DC power; and an arc suppressor is used to limit arcing, not to distribute DC power.

The key idea is distributing DC power for control circuits sourced from a battery or UPS. A DC distribution panel is built to take the DC output from a battery bank or UPS and feed multiple control devices—relays, sensors, PLCs—with proper protection (fuses or breakers) and organization. It creates a centralized, protected DC power source for all the control circuits.

The other options don’t fit this role: an AC service panel handles alternating-current distribution from the mains, not DC; a power factor correction capacitor improves reactive power on AC lines and doesn’t supply DC power; and an arc suppressor is used to limit arcing, not to distribute DC power.

More Multiple Choice Questions
Subscribe

Get the latest from Passetra

You can unsubscribe at any time. Read our privacy policy