CHC MEP Systems in Healthcare Facilities 2

Question 1

According to NFPA 99, what are the three branches of the Essential Electrical System (EES) required in healthcare facilities?

Accepted Answer

Life safety, critical, and equipment

Answer

Emergency, standby, and optional

Answer

Primary, secondary, and backup

Answer

Normal, redundant, and emergency

Question 2

What is the maximum time allowed for the Essential Electrical System to restore power after a normal power failure in a healthcare facility per NFPA 99?

Accepted Answer

10 seconds

Answer

5 seconds

Answer

30 seconds

Answer

60 seconds

Question 3

What is the primary purpose of an Isolated Power System (IPS) in wet procedure locations of healthcare facilities?

Accepted Answer

To prevent microshock hazards to patients connected to monitoring equipment

Answer

To reduce energy consumption

Answer

To provide backup power during outages

Answer

To meet general NEC requirements for damp locations

Question 4

Which NFPA standard is the primary code governing electrical systems, medical gas systems, and other utilities in healthcare facilities?

Accepted Answer

NFPA 99

Answer

NFPA 70

Answer

NFPA 72

Answer

NFPA 101

Question 5

What minimum ampacity are receptacles in patient care areas generally required to have to support medical equipment loads?

Accepted Answer

20 amperes

Answer

15 amperes

Answer

30 amperes

Answer

50 amperes

Question 6

What defines a 'wet procedure location' in the context of healthcare facility electrical design per NFPA 99?

Accepted Answer

A patient care area where liquids from procedures may contact patients or staff touching energized equipment

Answer

Any room containing a sink or hand washing station

Answer

Exterior areas exposed to precipitation

Answer

Rooms with humidification systems above 60% RH

Question 7

Which electrical distribution design strategy is commonly used in hospitals to ensure no single point of failure shuts down an entire patient care floor?

Accepted Answer

Selective coordination with redundant feeders

Answer

Series circuit distribution

Answer

Single-bus distribution with oversized breakers

Answer

All circuits fed from one large panel