Question 1

Requirements in 517.40(C) through 517.44 do not apply to freestanding buildings used as nursing homes and limited care facilities, provided that ____.

Accepted Answer

Requirements in 517.40(C) through 517.44 are specific to healthcare facilities where patients are cared for and might require emergency medical procedures that involve electrical equipment. If a freestanding building used as a nursing home or limited care facility does not offer surgical treatment requiring general anesthesia, it is not subject to these specific electrical requirements, as the need for such stringent electrical safety measures (like those for operating rooms or critical care areas) is significantly reduced.

Question 2

Generator accessories, including but not limited to the ____, electrically operated louvers, and other generator accessories essential for generator operation, shall be arranged for automatic connection to the alternate power source and connected to the life safety branch.

Accepted Answer

The transfer fuel pump is essential for generator operation as it ensures the generator has a continuous fuel supply, which is critical for maintaining power during an outage.

Question 3

A system of feeders and branch circuits supplying power for lighting, receptacles, and equipment essential for life safety that is automatically connected to alternate power sources by one or more transfer switches during interruption of the normal power source is called a ____.

Accepted Answer

The description given matches the definition of a life safety branch, which is an important component of a building's emergency power system. It is designed to provide power to equipment essential for life safety during a power outage or interruption. The other answer choices do not accurately describe the system described.

Question 4

For essential electrical systems under ____, deletion of the time-lag intervals feature for delayed automatic connection to the equipment branch shall be permitted.

Accepted Answer

The answer of For essential electrical systems under ____, deletion...

Question 5

All branch circuits serving patient care spaces shall be provided with a(n) ____ by installation in a metal raceway system or a cable having a metallic armor or sheath assembly.

Accepted Answer

Branch circuits serving patient care spaces must have an effective ground-fault current path to quickly trip a circuit breaker in case of a ground fault, protecting patients from electric shock. This can be achieved by installing the branch circuit in a metal raceway system or a cable having a metallic armor or sheath assembly.

Question 6

At least one of the receptacles of a patient bed location must be connected to (1) the normal system branch circuit as required or (2) a critical branch circuit supplied by ____ not associated with other receptacles at the same patient bed location.

Accepted Answer

The correct answer is a different transfer switch. This ensures that at least one receptacle at a patient bed location has an alternative power source in case of failure, enhancing reliability and safety in critical care areas.

Question 7

Critical care spaces served from ____ shall not be required to have circuits from the normal system.

Accepted Answer

Critical care spaces are required to have redundancy and reliability in their power supply, which is why they are served by two separate critical branch transfer switches to ensure continuous power availability.

Question 8

Essential electrical systems for hospitals shall be comprised of ____ capable of supplying a limited amount of lighting and power service that is considered essential for life and safety and effective hospital operation during the time the normal electrical service is interrupted for any reason.

Accepted Answer

Essential electrical systems in hospitals are designed to be comprised of three separate branches, each dedicated to ensuring that critical services remain operational during power outages. These branches typically include the life safety branch, the critical branch, and the equipment branch, all of which are essential for maintaining operations, safety, and patient care during electrical service interruptions.

Question 9

Branch circuits serving only special-purpose outlets or receptacles (such as portable X-ray outlets) do not require ____.

Accepted Answer

Branch circuits serving special-purpose outlets or receptacles, like portable X-ray outlets, do not require service from the same distribution panel(s). The key consideration for these circuits is to ensure they meet the specific power quality and reliability requirements for the equipment they serve, rather than being tied to a particular distribution panel.

Question 10

The branch circuit serving patient bed locations shall ____.

Accepted Answer

The National Electrical Code (NEC) requires that branch circuits serving patient bed locations shall not be part of a multiwire branch circuit, which is a circuit that consists of two or more ungrounded conductors that share a common neutral conductor. This is to prevent the occurrence of a ground fault on one circuit from affecting the other circuits that share the same neutral. Choices A, B, and D are not directly related to the requirement for patient bed locations.

Question 11

Receptacles located within the rooms, bathrooms, playrooms, and activity rooms of pediatric units, other than nurseries, shall be listed tamper resistant or shall ____.

Accepted Answer

Receptacles within these areas must be tamper-resistant listed or have a tamper-resistant cover to prevent children from inserting objects or electrocuting themselves. Options B, C, and D do not address the requirement for tamper-resistant protection.

Question 12

The ____ of the essential electrical system shall supply power for lighting, receptacles, and equipment in a hospital.

Accepted Answer

The life safety branch is responsible for supplying power to emergency lighting, fire alarms, fire pumps, smoke evacuation systems, and other life safety equipment. It is also designed to supply power for egress lighting, exit signs, and elevator operations during a power outage.

Question 13

Demand calculations for sizing of the alternate power source(s) for a hospital shall be based on any of the following: (1) prudent demand factors and historical data, (2) ____, (3) Article 220 feeder calculation procedures, or (4) any combination of the preceding.

Accepted Answer

The answer of Demand calculations for sizing of the alternate...

Question 14

Electrical installation criteria and wiring methods for health care facilities are ____ for a standard commercial or industrial project.

Accepted Answer

Health care facilities have specific requirements and regulations for electrical installations in order to ensure patient safety and proper functioning of medical equipment. Therefore, the criteria and wiring methods are far more specialized than those for a standard commercial or industrial project.

Question 15

Ground-fault protection of equipment shall be provided for solidly grounded wye electric services of more than 150 volts to ground but not exceeding ____ volts phase-to-phase for each service disconnect rated 1000 amperes or more.

Accepted Answer

The answer of Ground-fault protection of equipment shall be provided...

Question 16

Wet procedure locations are the areas in a patient care space where a procedure is performed that is normally subject to wet conditions while patients are present, including standing fluids on the floor or drenching of the work area, where either such condition ____.

Accepted Answer

The wet procedure locations must be identified to minimize the risk of slips, falls, or electrical hazards to both patients and staff, so the wet conditions in these areas are intimate to the patient or staff. The other options are not relevant to the definition of wet procedure locations.

Question 17

The space within a patient room no less than 6 ft (1.8 m) beyond the bed's perimeter (in its normal location), and extending vertically no less than 7 ft 6 in.(2.3 m) from the floor is defined as the ____.

Accepted Answer

The space within a patient room that extends 6 ft beyond the bed's perimeter (in its normal location), and vertically no less than 7 ft 6 in. from the floor is called the patient care vicinity. This space is intended to provide safe and accessible patient care.

Question 18

Conductor ampacity and overcurrent protective device ratings shall not be less than _____ of the current rating of medical X-ray therapy equipment.

Accepted Answer

According to NEC 517.63(A), conductor ampacity and overcurrent protective device ratings shall not be less than 100% of the current rating of medical X-ray therapy equipment.

Question 19

The critical branch should include blood, bone, and tissue banks, critical care systems, and ____.

Accepted Answer

Nurse call systems directly relate to patient care and therefore would be included in the critical branch. The other options (ambulance parking area illumination, food storage areas, and accounting systems) do not have a direct impact on patient care and would not be included in the critical branch.

Question 20

Each patient bed location shall have a minimum of ____ receptacles.

Accepted Answer

The answer of Each patient bed location shall have a...

Quiz 16: Health Care