Critical Power: Circuit protection in health care facilities

Critical Power: Circuit protection in health care facilities

Air Date: Thursday, August 8, 2013

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: Circuit protection in health care facilities

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Exam Question 1 *

A hospital's emergency generator should be designed as a Level 1 system per the requirements of NFPA 110.

Exam Question 2 *

The fault available from a parallel generator system is sometimes greater than the fault available from the utility.

Exam Question 3 *

The following is required to obtain the available short circuit current: 

Air handing unit (AHU) nameplate
Letter from the utility identifying the available fault current
Year building was built
Dimensions of the switchgear
Exam Question 4 *

A nurse station is an example of a patient care area within a hospital.

Exam Question 5 *

The following area is not considered a critical care area within a hospital: 

Operating rooms
Medical/surgical patient rooms
Labor/delivery rooms
Trauma room in emergency department
Exam Question 6 *

These items are required by the National Electrical Code to indicate the short-circuit rating on the equipment nameplate: 

Industrial control panels
Elevator controllers
Air/refrigeration equipment controllers
All of the above
Exam Question 7 *

Ground fault selective coordination must show 6 cycles of separation for a hospital.

Exam Question 8 *

Arc flash energy increases as: 

Short circuit available increases
Breakers are adjusted to allow more current through
Feeder size is increased
All of the above
Exam Question 9 *

The following is an acceptable wiring method for a critical power branch circuit in a patient care area: 

Schedule 80 PVC
Schedule 40 PVC where encased in concrete
MC cable
EMT conduit with a grounding conductor installed in the conduit
Exam Question 10 *

Assuming metal conduit is used for feeders, panels serving these areas require a grounding bushing (or similar equivalent bonding methodology) between the feeder and the panel: 

Any patient care area
Any area of a hospital
Critical care areas
None of the above
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