Critical Power: NFPA 110: Standard for Emergency and Standby Power

Air Date: Thursday, May 8, 2014

Exam for Continuing Education Units

1 AIA CES accredited LU available for attendees

You must get 8 of 10 questions correct to pass the exam. You may retake the exam if necessary. You will be notified whether you passed or failed automatically after taking the exam. Upon passing the exam, you will be able to download the completion certificate immediately.


Critical Power: NFPA 110: Standard for Emergency and Standby Power

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Exam Question 1 *

Natural gas generators fed from public gas lines can be utilized to serve emergency systems and legally required stand-by systems if approved and accepted by the AHJ.

Exam Question 2 *

Which of the following is NOT a requirement of NEC 708 Critical Operations Power System (COPS)?

72 Hours of on-site fuel storage
Equipment located above 100 year flood plain
Can depend on public utility natural gas if accepted/approved by the AHJ
Redundant generator or means to connect a roll up generator
Exam Question 3 *

Extended operation of diesel generators at light loads can lead to a phenomenon known as “wet stacking.”

Exam Question 4 *

The 2013 edition of NFPA 110 was extensively changed from the previous edition.

Exam Question 5 *

Which of the following is a requirement for an emergency system as defined by the NEC?

Start automatically
Available for load in 10 seconds
Generator requires 2-hour on-site fuel storage
All of the above.
Exam Question 6 *

When testing and commissioning EPSS for mission critical facilities, which of the following is recommended?

Factory testing
Site acceptance testing
Integrated system testing
All of the above.
Exam Question 7 *

Portable generators are acceptable to be connected to a legally required standby power system.

Exam Question 8 *

Hospital generators are sized under NEC Article 517 for:

Connected load
Demand load
Worst-case possible load
Exam Question 9 *

For diesel generators, monthly generator testing under NFPA 110 must be done at what load?

100% of generator nameplate kW rating
100% of facility demand load
30% of generator nameplate kW rating, or sufficient load to cause exhaust gas temperature to reach manufacturer’s recommended level.
Exam Question 10 *

A facility must take measures to protect its essential load from a utility outage during generator testing.

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