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Illustrated Guide to the National Electrical Code

Charles R. Miller

Chapter 16

Health Care - all with Video Answers

Educators

Chapter Questions

Problem 1

X-ray low-voltage cables connecting to oil-filled units that are not completely sealed, such as transformers, condensers, oil coolers, and high-voltage switches, shall have insulation of the type.

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Problem 2

The life safety and critical branches shall be installed and connected to the alternate power source so that all functions supplied by these branches specified here shall be automatically restored to operation within after interruption of the normal source.

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Problem 3

The equipment-grounding terminal buses of the normal and essential branch-circuit panelboards serving the same individual patient care vicinity shall be connected together with an insulated continuous copper conductor not smaller than

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01:46

Problem 4

The is a system of feeders and branch circuits supplying power for task illumination, fixed equipment, select receptacles, and select power circuits serving areas and functions related to patient care and that is automatically connected to alternate power sources by one or more transfer switches during interruption of normal power source.

Khoobchandra Agrawal
Khoobchandra Agrawal
Numerade Educator

Problem 5

The receptacles or the coverplates for receptacles supplied by the hospital's essential electrical system shall have a distinctive so as to be readily identifiable.

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02:30

Problem 6

is a jack or terminal that serves as the collection point for redundant grounding of electric appliances serving a patient care vicinity or for grounding other items in order to eliminate electromagnetic interference problems.

Ben Nicholson
Ben Nicholson
Numerade Educator

Problem 7

In any anesthetizing area, all metal raceways and metal-sheathed cables, and all normally non-current-carrying conductive portions of fixed electric equipment, shall be

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Problem 8

A disconnecting means of adequate capacity for at least $\%$ of the input required for the long-time rating or \% of the input required for the momentary rating of the $\mathrm{X}$-ray equipment, whichever is greater, shall be provided in the supply circuit.

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Problem 9

Each patient bed location in a critical care area shall be supplied by at least branch circuit(s).

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Problem 10

A patient care vicinity is defined as a space, within a location intended for the examination and treatment of patients, extending feet beyond the normal location of the patient bed, chair, table, treadmill, or other device that supports the patient during examination and treatment and extending vertically to feet above the floor.

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Problem 11

The line isolation monitor shall not alarm for a fault hazard of less than $\mathrm{mA}$ or for a total hazard current of less than $\mathrm{mA}$.

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Problem 12

Receptacles that are located within the patient rooms, bathrooms, playrooms, and activity rooms of pediatric units, other than nurseries, shall be or shall employ a cover.

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02:11

Problem 13

is space in which failure of equipment or a system is likely to cause minor injury to patients or caregivers.

Km Neeraj
Km Neeraj
Numerade Educator

Problem 14

In locations where flammable anesthetics are employed, the entire area shall be considered to be a Class I, Division 1 location that shall extend upward to a level ft above the floor.

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Problem 15

Separation of ground-fault protection time-current characteristics shall conform to the manufacturer's recommendations and shall consider all required tolerances and disconnect operating time to achieve selectivity.

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Problem 16

For portable X-ray equipment connected to a 120 -volt branch circuit of or less, a grounding-type attachment plug and receptacle of proper rating shall be permitted to serve as a disconnecting means.

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01:46

Problem 17

The is 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.

Khoobchandra Agrawal
Khoobchandra Agrawal
Numerade Educator

Problem 18

The ampacity of conductors and the rating of overcurrent protective devices shall not be less than of the current rating of medical X-ray therapy equipment.

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Problem 19

As a general rule, the wiring of a hospital's life safety and critical branches shall be mechanically protected by installation in metal raceways, Type cable, Type RTRC marked with the suffix - XW or Schedule 80 PVC conduit.

Rashmi Sinha
Rashmi Sinha
Numerade Educator
01:01

Problem 20

$\mathrm{A}(\mathrm{n})$ is any area of the health care facility that has been designated to be used for the administration of any flammable inhalation anesthetic agents in the normal course of examination or treatment.

Narayan Hari
Narayan Hari
Numerade Educator

Problem 21

Each patient bed location in a critical care area shall be provided with a minimum of receptacle(s).

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Problem 22

In areas used for patient care, all non-current-carrying conductive surfaces of fixed electrical equipment likely to become energized that are subject to personal contact, operating at over , shall be directly connected to an insulated copper equipment grounding conductor.

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Problem 23

Wall-mounted remote-control stations for remote-control switches operating at or less shall be permitted to be installed in any anesthetizing location.

Rashmi Sinha
Rashmi Sinha
Numerade Educator

Problem 24

$\mathrm{A}(\mathrm{n})$ is a system comprised of alternate sources of power and all connected distribution systems and ancillary equipment, designed to ensure continuity of electrical power to designated areas and functions of a health care facility during disruption of normal power sources, and also designed to minimize disruption within the internal wiring system.

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Problem 25

In critical care areas, a patient care vicinity shall be permitted to have a patient equipment grounding point. An equipment-bonding jumper, not smaller than shall be used to connect the grounding terminal of all grounding-type receptacles to the patient equipment grounding point.

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Problem 26

Individual branch circuits shall not be required for portable, mobile, and transportable medical X-ray equipment requiring a capacity of not over

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Problem 27

Each general care area patient bed location shall be provided with a minimum of receptacle(s).

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02:11

Problem 28

is space in which failure of equipment or a system is likely to cause major injury or death to patients or caregivers.

Km Neeraj
Km Neeraj
Numerade Educator

Problem 29

One transfer switch shall be permitted to serve one or more branches or systems in a limited care facility with a maximum demand on the essential electrical system of kVA.

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03:07

Problem 30

Size 18 or 16 AWG fixture wires as specified in 725.49 and flexible cords shall be permitted for the control and operating circuits of X-ray and auxiliary equipment where protected by not larger than -ampere overcurrent devices.

Jennifer Stoner
Jennifer Stoner
Numerade Educator
03:31

Problem 31

A flexible cord storage device, within a hazardous (classified) anesthetizing location, shall not subject the cord to bending at a radius of less than in.

Jonathan Ibarra
Jonathan Ibarra
Numerade Educator

Problem 32

All branch circuits serving patient care areas shall be provided with an effective path by installation in a metal raceway system or a cable having a metallic armor or sheath assembly.

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Problem 33

Essential electrical systems for nursing homes and limited-care facilities shall comprise two separate branches capable of supplying a limited amount of lighting and power service, which is considered essential for the protection of life safety and effective operation of the institution during the time normal electrical service is interrupted for any reason. These two separate branches shall be the branch and the branch.

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Problem 34

The ampacity of supply branch-circuit conductors and the current rating of overcurrent protective devices for $\mathrm{X}$-ray equipment shall not be less than $\%$ of the long-time rating or $\%$ of the momentary rating, whichever is greater.

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Problem 35

In critical care areas, the equipment grounding conductor for special-purpose receptacles, such as the operation of mobile X-ray equipment, shall be extended to the of branch circuits for all locations likely to be served from such receptacles.

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Problem 36

is the area 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 is intimate to the patient or staff.

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00:14

Problem 37

Each operating room shall be provided with a minimum of receptacles.

Michelle Nguyen
Michelle Nguyen
Numerade Educator