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b. shall not be used

Portable electric luminaires in Class I locations ___ in a spray area during spray operations. Select one: a. shall be permitted to be used b. shall not be used

c. I or III only

A 240-volt, 1-phase circuit supplying power to gasoline dispensing equipment shall be provided with a clearly identified switch, which simultaneously disconnects both circuit conductors from the source of supply. ___ is an acceptable means of disconnect. I. A common-trip circuit breaker II. Two single-pole circuit breakers with handle ties III. A nonfused safety switch Select one: a. I, II, or III b. I only c. I or III only d. I or II only e. III only

b. grounded

Circuits for electric cranes operating over combustible fibers in Class III locations shall not be ___. Select one: a. THHN conductors b. grounded c. spliced d. run in raceways

d. the presence of easily ignitable fibers or flyings

Class III locations are those that are hazardous because of ___. Select one: a. the presence of combustible dust b. flammable gases or vapors may be present in the air c. over 8' depth of water d. the presence of easily ignitable fibers or flyings

c. isolating

For services exceeding 600 volts, nominal, the ___ switch shall be accessible to qualified persons only. Select one: a. emergency shut-off b. power c. isolating d. all of these

a. equipment

The ___ branch is a system of feeders and branch circuits arranged for delayed, automatic, or manual connection to the alternate power source and that serves primarily 3-phase power equipment. Select one: a. equipment b. life safety c. critical

c. both a and b

To prevent static electric discharges, all ___ shall be electrically grounded. Select one: a. electrically conductive objects b. persons c. both a and b d. neither a nor b

c. Class I

A location in which flammable gases or vapors are present in the air in quantities sufficient to produce explosive or ignitable mixtures is classified as a ___ location. Select one: a. Class II b. Class III c. Class I d. Class IV

c. the life safety branch and the critical branch.

According to the NEC®, the two mandatory branches of the hospital essential electrical system are ___. Select one: a. the essential branch and the non-essential branch b. the normal branch and the alternate branch. c. the life safety branch and the critical branch. d. the emergency branch and the standby branch.

b. emergency loads

An emergency system transfer switch is permitted to supply ___. Select one: a. UPS-type equipment b. emergency loads c. computer equipment d. all of these

c. two

Each patient bed location in critical care areas shall be supplied by at least ___ branch circuits. Select one: a. six b. four c. two d. three

e. I & II only

Emergency circuit wiring shall be permitted to enter which of the following types of equipment with normal circuit wiring? I. transfer switches II. exit or emergency luminaires supplied from two sources III. UPS systems Select one: a. I, II & III b. II only c. I & III only d. I only e. I & II only

a. 18

Enclosures in a Class I, Division 1 location containing components that have arcing devices must have an approved seal located within ___ inches of each conduit run entering or leaving such enclosures. Select one: a. 18 b. 24 c. 1 d. 30

d. unclassified

Parking garages are considered to be ___ locations. Select one: a. Class I, Division 1 b. Class II, Division 2 c. Class II, Division 1 d. unclassified e. Class I, Division 2

a. unclassified

Parking garages used for parking or storage are permitted to be ___ locations. Select one: a. unclassified b. Class I c. Class II d. Class III

a. do not include

Patient care spaces within health care facilities ___ areas such as business offices, corridors, lounges, day rooms, dining rooms, or similar areas. Select one: a. do not include b. include

e. II & III only

Which of the following is an approved wiring method in any Class II location? I. electrical metallic tubing II. liquidtight flexible nonmetallic conduit III. dusttight boxes with threaded bosses Select one: a. I & II only b. I, II, or III c. III only d. I & III only e. II & III only

c. 30 amps

X-ray equipment installed in a hospital may be served by a hard-service cord with a suitable plug provided the branch circuit rating does not exceed ___. Select one: a. 20 amps b. 15 amps c. 30 amps d. 50 amps

c. General care spaces

___ includes patient bedrooms, examining rooms, treatment rooms, clinics, and similar areas in which it is intended that the patient will come in contact with ordinary appliances such as a nurse call system, electric beds, examining lamps, telephones, and entertainment devices. Select one: a. Ambulatory health care facilities b. Nursing homes c. General care spaces d. Critical care spaces

a. Class I, Division 2

A ___ location is a location in which volatile flammable gases, flammable liquid-produced vapors, or combustible liquid-produced vapors are handled, processed, or used, but in which the liquids, vapors, or gases will normally be confined within closed containers or closed systems from which they can escape only in case of accidental rupture or breakdown of such containers or systems or in case of abnormal operation of equipment. Select one: a. Class I, Division 2 b. Class II, Division 1 c. Class I, Division 1 d. Class II, Division 2

a. 50 100

A disconnecting means of adequate capacity for at least ___ percent of the input required for the momentary rating or ___ percent of the input required for the long-time rating of medical X-ray equipment, whichever is greater, shall be provided in the supply circuit. Select one: a. 50 100 b. 80 125 c. 80 100 d. 100 50 e. 125 125

c. dusttight

A fused safety switch installed in a Class II, Division 2 location shall be ___. Select one: a. raintight b. rated heavy-duty c. dusttight d. rated general duty

c. 120

A horizontal raceway, entering a dust-ignitionproof enclosure from one that is not, need not have a seal-off if it is ___ inches in length. Select one: a. 18 b. 60 c. 120 d. 24

b. an isolating transformer or line isolation monitor

A hospital isolated power system can be a system powered by ___. Select one: a. a generator or transformer b. an isolating transformer or line isolation monitor c. a monitor or transistor d. a transformer or batteries

a. 36

A minimum of ___ receptacles shall be provided in a critical care area operating room. Select one: a. 36 b. 16 c. 8 d. 14 e. 12

c. unclassified

A stock room in a major repair garage is considered to be a(n) ___ location if designed with positive air pressure. Select one: a. Class I, Division 2 b. Class II, Division 2 c. unclassified d. Class II, Division 1 e. Class I, Division 1

d. 1.5

A storage battery supplying emergency lighting and power shall maintain not less than 87.5 percent of full voltage at total load for a period of at least ___ hour(s). Select one: a. 2 b. 0.5 c. 1 d. 1.5

d. patient equipment grounding point

A(n) ___ is a jack or terminal that serves as the collection point for redundant grounding of electrical appliances serving a patient care vicinity or for grounding other items in order to eliminate electromagnetic interference problems. Select one: a. reference grounding point b. isolated power system c. line isolation monitor d. patient equipment grounding point

a. flammable anesthetizing location

A(n) ___ is any area of the 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. Select one: a. flammable anesthetizing location b. life safety branch c. critical branch d. ambulatory health care facility e. anesthetizing location

c. Class I, Division 2

Aboveground storage tanks shall be classified ___ for the space between 5 feet and 10 feet from the open end of a vent, extending in all directions. Select one: a. Class I, Division 1 b. Class II, Division 1 c. Class I, Division 2 d. Class II, Division 2

c. 18

Aircraft energizers shall be designed and mounted such that all electric equipment and fixed wiring will be at least ___ inches above floor level. Select one: a. 24 b. 12 c. 18 d. 4 e. 36

a. shall not be

An isolated ground receptacle ___ installed within a patient care vicinity. Select one: a. shall not be b. is required to be

e. 14

Each critical care area patient bed location shall be provided with at least ___ receptacle(s). Select one: a. 6 b. 4 c. 12 d. 8 e. 14

c. II & III only

Essential electrical systems for nursing homes and limited care facilities shall be comprised of 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 ___. I. emergency system II. critical branch III. life safety Select one: a. I & II only b. I & III only c. II & III only

b. 7 1/ 2

Fluorescent luminaires installed more than ___ feet above the floor in patient care areas or any switches located outside patient care areas in a hospital shall be permitted to be connected to an equipment grounding return path complying with 517.13(A). Select one: a. 6 b. 7 1/ 2 c. 7 d. 6 1/ 2

d. 5

For Group C equipment in Class I, Division 1 locations, threaded joints shall be made up with at least ___ threads fully engaged. Select one: a. 7 b. 6 c. 3 d. 5 e. 4

c. threaded bosses

In Class II, Division 1 locations, fittings and boxes shall be provided with ___ for connection to conduit or cable terminations and shall be dusttight. Select one: a. sealing fittings b. strain relief c. threaded bosses d. gasketed covers

c. 10

In a health care facility, low-voltage equipment that is frequently in contact with the bodies of persons or has exposed current-carrying elements shall operate on a voltage of ___ volts or less if the equipment is not approved as intrinsically safe, double insulated, or moisture resistant. Select one: a. 24 b. 100 c. 10 d. 120

d. upward to a level 5 feet above the floor

Locations where flammable anesthetics are employed are Class I, Division I locations that shall extend ___. Select one: a. 10 feet in all directions from the source b. upward to the structural ceiling c. upward to a level 8 feet above the operating table d. upward to a level 5 feet above the floor

a. tamper resistant

Receptacles located within the patient rooms, bathrooms, playrooms, activity rooms, and patient care areas of pediatric units shall be listed tamper resistant or shall employ a listed ___ cover. Select one: a. tamper resistant b. nonmetallic c. lockable d. any of these

d. essential electrical system

The ___ 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 to minimize disruption within the internal wiring system. Select one: a. life safety branch b. critical branch c. emergency system d. essential electrical system e. alternate power source

b. 1 inch

What is the minimum thickness of the sealing compound in a one-inch sealing fitting? Select one: a. 5/ 8 inch b. 1 inch c. 3/ 4 inch d. 1/ 2 inch

c. either a or b

When supplied from the essential electrical system, ___ shall have a distinctive color or marking so as to be readily identifiable. Select one: a. electrical receptacle cover plates b. electrical receptacles c. either a or b d. neither a nor b

c. two

Where an internal combustion engine is used as the prime mover for an emergency system, an on-site fuel supply shall be provided for not less than ___ hours of full demand. Select one: a. four b. five c. two d. three

d. 2

Where rigid nonmetallic conduit is installed underground to feed a gasoline dispensing unit, threaded rigid metal conduit or threaded steel intermediate metal conduit shall be used for the last ___ feet of the underground run to where the conduit emerges. Select one: a. 6 b. 4 c. 5 d. 2

d. I or II only

Which of the following are acceptable hazardous (classified) location protection techniques for electrical and electronic equipment? I. Purged and Pressurized II. Oil Immersion III. Raintight Enclosure Select one: a. II or III only b. I, II, or III c. II only d. I or II only e. I or III only

d. all of these

Which of the following wiring methods is/are approved for use as fixed wiring in an area above Class I locations in a major repair garage? Select one: a. Type TC cable b. Type MI cable c. Type MC cable d. all of these

a. Dust-ignitionproof

___ is defined as equipment enclosed in a manner that excludes dusts and does not permit arcs, sparks, or heat otherwise generated or liberated inside of the enclosure to cause ignition of exterior accumulations or atmospheric suspensions of a specified dust on or in the vicinity of the enclosure. Select one: a. Dust-ignitionproof b. Dusttight c. Hermetically sealed d. Nonincendive e. Explosionproof

d. any combination of the above

For a health care facility, demand calculations for sizing of the generator set(s) for the essential electrical system shall be based on ___. Select one: a. connected load b. prudent demand factors and historical data c. feeder calculation procedures described in Article 220 d. any combination of the above

c. 10

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 ___ AWG shall be used to connect the grounding terminal of all grounding-type receptacles to the patient equipment grounding point. Select one: a. 12 b. 8 c. 10 d. 14 e. 6

a. are

In health care facilities, patient bed receptacles located in general care areas shall be supplied by at least two branch circuits. These circuits ___ permitted to originate from two separate transfer switches on the critical system. Select one: a. are b. are not

e. 12

In major repair garages, lamps and lampholders for fixed lighting that is located over lanes through which vehicles are commonly driven shall be located not less than ___ feet above the floor level. Select one: a. 15 b. 10 c. 8 d. 18 e. 12 Question 8

b. seven

In the critical care areas of health care centers, the minimum Code requirements are satisfied if each patient bed location is provided with ___ duplex receptacles. Select one: a. one b. seven c. three d. four

a. critical branch

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. Select one: a. critical branch b. alternate power source c. life safety branch d. emergency system e. essential electrical system

a. shall not

The alternate source for emergency systems ___ be required to have ground-fault protection of equipment. Select one: a. shall not b. shall

a. 100

The ampacity of conductors and rating of overcurrent protective devices shall not be less than ___ percent of the current rating of medical X-ray therapy equipment. Select one: a. 100 b. 110 c. 125 d. 80 e. 50

e. 50 100

The ampacity of supply branch-circuit conductors and the current rating of overcurrent protective devices for diagnostic X-ray equipment shall not be less than ___ percent of the momentary rating or ___ percent of the long-time rating, whichever is greater. Select one: a. 100 50 b. 125 125 c. 80 125 d. 80 100 e. 50 100

b. upper surface of the aircraft wings and engine enclosures

The area within 5 feet horizontally from aircraft power plants or aircraft fuel tanks shall be classified as a Class I, Division 2 or Zone 2 location that shall extend upward from the floor to a level 5 feet above the ___. Select one: a. highest receptacle in the classified location b. upper surface of the aircraft wings and engine enclosures c. floor d. none of these

b. color or marking

The cover plates for the electrical receptacles or the electrical receptacles themselves supplied from the hospital's essential electrical system shall have a distinctive ___ so as to be readily identifiable. Select one: a. configuration b. color or marking c. shape or size d. rating

c. both I & II

The critical branch of the essential electrical system shall supply power for ___, selected receptacles, and special power circuits serving areas and functions related to patient care. I. task illumination II. fixed equipment Select one: a. I only b. II only c. both I & II d. neither I nor II

d. 18

The entire area of an aircraft hangar, including any adjacent and communicating areas not suitably cut off from the hangar, shall be classified as a Class I, Division 2 or Zone 2 location up to a level ___ inches above the floor. Select one: a. 36 b. 12 c. 4 d. 18 e. 24

b. Class I, Division 2

The entire floor area in a major repair garage without ventilation, up to a level of 18 inches above the floor, shall be considered a ___ location where Class I liquids, hydrogen, natural gas, or LPG are transferred. Select one: a. Class II, Division 1 b. Class I, Division 2 c. Class I, Division 1 d. Class II, Division 2

b. 10

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 ___ AWG. Select one: a. 12 b. 10 c. 14 d. 8

c. Class I, Div. 1

The interior of any dip tank or coating tank is classified as a ___ location. Select one: a. Class II, Div. 2 b. Class I, Div. 2 c. Class I, Div. 1 d. Class II, Div. 1