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Hi bro can you help me solve this out for me please ?

Hi bro can you help me solve this out for me please ?

I'm struggling

QUESTION 1

1.     When considering receptacle volt-ampere rating, a single piece of equipment (consisting of four or more receptacles) must be calculated at not less than ____ volt-amperes per receptacle.

a.

40

b.

80

c.

90

d.

120

1 points  

QUESTION 2

1.     ____ is the maximum number of disconnects per service grouped in any one location.

a.

Two

b.

Three

c.

Six

d.

Nine

1 points  

QUESTION 3

1.     The simultaneous presence of flammable gases, flammable liquid-produced vapors, combustible liquid-produced vapors, or combustible dusts shall be considered when determining the ____ of the electrical equipment.

a.

safe operating temperature

b.

grounding arrangement

c.

shielding

d.

sparking potential

1 points  

QUESTION 4

1.     Laundry receptacle outlet(s) must be fed from a ____ branch circuit.

a.

20-ampere

b.

30-ampere

c.

40-ampere

d.

15-ampere

1 points  

QUESTION 5

1.     A dwelling unit must have at least____ small-appliance branch circuits.

a.

three

b.

one

c.

two

d.

four

1 points  

QUESTION 6

1.     Volume in boxes can be increased by using ____ rings, domed covers, extension rings, or similar items.

a.

drilled

b.

polymer

c.

hybrid

d.

plaster (mud)

1 points  

QUESTION 7

1.     The alternating current phase arrangement on 3-phase busses are ____ from front to back, top to bottom, or left to right, as viewed from the front of the switchboard, switchgear, or panelboard.

a.

A, B, C

b.

C, B, A

c.

B, C, A

d.

A, C, B

1 points  

QUESTION 8

1.     The minimum box width for U pulls must include ____.

a.

the thickness of the two raceways

b.

12 in. between raceways plus the thickness of the two raceways

c.

6 in. between raceways

d.

the average pull length plus the thickness of the two raceways

1 points  

QUESTION 9

1.     Equipotential bonding required by 680.26 shall be installed to reduce ____ in the pool area.

a.

voltage gradients

b.

load

c.

power surges

d.

shorting

1 points  

QUESTION 10

1.     Tap conductors from a 50-ampere branch circuit must have an ampacity of at least ____ and not less than the ampacity of the individual unit served.

a.

10

b.

20

c.

30

d.

50

1 points  

QUESTION 11

1.     Individual office furnishings of the freestanding type, or groups of individual office furnishings that are electrically connected, are mechanically contiguous, and do not exceed 30 ft when assembled, shall be permitted to connect to the building's electrical system by means of a ____.

a.

surge protector and concealed wiring

b.

dual flexible cable and panel board

c.

single flexible cord and plug

d.

rigid raceway

1 points  

QUESTION 12

1.     A(n) ____ or an accessible plug and receptacle can serve as the disconnecting means.

a.

suitable ground

b.

an approved power strip

c.

fuse box or circuit breaker

d.

accessible separable connector

1 points  

QUESTION 13

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

a.

less specialized than

b.

a subset of those

c.

the same as those

d.

far more specialized than

1 points  

QUESTION 14

1.     To calculate multiple noncoincident loads used simultaneously, the ____ load(s) that will be used at one time is used in calculating the total feeder/service load.

a.

smallest

b.

largest

c.

average

d.

medial

1 points  

QUESTION 15

1.     An electric vehicle supply equipment's coupling means shall be stored or located at a height of not less than ____ in. above the floor level for indoor locations and 24 in. above the grade level for outdoor locations.

a.

12

b.

14

c.

18

d.

24

1 points  

QUESTION 16

1.     Conduit/cable system seals minimize the passage of ____ and prevent the passage of flames from one portion of the electrical installation to another through the conduit.

a.

water

b.

electrical flow

c.

gas/vapors

d.

sparks

1 points  

QUESTION 17

1.     A(n) ____ is permitted on a small-appliance branch circuit.

a.

hood fan

b.

outdoor receptacle

c.

lighting outlet

d.

dedicated clock outlet

1 points  

QUESTION 18

1.     All cut ends of intermediate metal conduit (IMC) and rigid metal conduit (RMC) shall be ____.

a.

jacketed with plastic or polymer

b.

jacketed with aluminum or composite materials

c.

grounded to stable fixture

d.

reamed or otherwise finished to remove rough edges

1 points  

QUESTION 19

1.     Cables not installed on the face do not require ____.

a.

insulation

b.

guard strips or running boards

c.

switch plates

d.

stapling

1 points  

QUESTION 20

1.     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 safety and effective hospital operation during the time the normal electrical service is interrupted for any reason.

a.

three separate branches, which are all

b.

four separate branches (two for lights and two for power service)

c.

two separate branches, which are both

d.

one complete branch and an emergency auxiliary branch

1 points  

QUESTION 21

1.     In calculating general lighting load, each floor's area shall be calculated using the building's (or area's) ____.

a.

interior dimensions

b.

cubic dimensions

c.

outside dimensions

d.

cross-sectional dimensions

1 points  

QUESTION 22

1.     A load calculation on an individual unit in a multifamily dwelling must be calculated in accordance with one of the ____ methods.

a.

one-family dwelling load-calculation multiplied by the number of units per floor

b.

multi-family dwelling load-calculation

c.

multi-family dwelling load-calculation divided by the number of units per floor

d.

one-family dwelling load-calculation

1 points  

QUESTION 23

1.     ____ or fewer luminaire wires (smaller than 14 AWG) and an equipment grounding conductor can be omitted from box fill calculations where they enter a box from a domed luminaire (or similar canopy) and terminate within that box.

a.

Two

b.

Four

c.

Six

d.

Eight

1 points  

QUESTION 24

1.     ____ must be included when calculating a dwelling unit service.

a.

Detached garage space loads

b.

Crawl space branch circuits

c.

Small-appliance branch circuits

d.

Refrigeration equipment loads

1 points  

QUESTION 25

1.     Wire connectors, pigtails, locknuts, bushings, raceway connectors, grounding screws, and equipment bonding jumpers are not factors when calculating ____.

a.

connections

b.

box fill

c.

branches

d.

total load

1 points  

QUESTION 26

1.     The service disconnecting means for a one-family dwelling load calculation must have a rating of at least ____.

a.

one quarter the total load

b.

one half the total load

c.

the calculated load

d.

the load for a single unit

1 points  

QUESTION 27

1.     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 ____.

a.

vital systems backup

b.

life safety branch

c.

critical branch

d.

safety backup

1 points  

QUESTION 28

1.     All receptacles installed to serve kitchen countertop surfaces shall have _____.

a.

GFCI protection

b.

a UL listing

c.

a 20 ampere rating

d.

ARCI protection

1 points  

QUESTION 29

1.     A clothes dryer outlet must have ____ and an equipment grounding conductor.

a.

an insulated grounded (neutral) conductor

b.

two adjacent receptacles

c.

an accessible circuit breaker

d.

25-ampere dedicated circuit

1 points  

QUESTION 30

1.     A contact device installed at an outlet for the connection of an attachment plug is a(n) ____.

a.

receptacle

b.

outlet contact

c.

ground

d.

jump-off

1 points  

QUESTION 31

1.     A(n) ____ is a device intended to provide protection from the effects of arc faults by recognizing characteristics unique to arcing.

a.

grounded circuit interruptor (GCI)

b.

circuit interruptor (CI)

c.

arc-fault circuit interruptor (AFCI)

d.

diagnostic arc-fault interruptor (DACI)

1 points  

QUESTION 32

1.     Lamps in cellulose nitrate film storage vaults shall be installed in rigid luminaires of the ____ type.

a.

socket bulb

b.

wired bracket cover

c.

standard hinged cover

d.

glass-enclosed and gasketed

1 points  

QUESTION 33

1.     Branch circuits in kitchens should be ____-ampere circuits.

a.

15

b.

20

c.

25

d.

40

1 points  

QUESTION 34

1.     Generally, ungrounded (hot) conductors can be any color except ____.

a.

white, gray, green, or, green with yellow stripe(s)

b.

yellow, red, or green with yellow stripes

c.

red, yellow, or gray

d.

white, gray, or red

1 points  

QUESTION 35

1.     Branch circuits shall be rated in accordance with the maximum permitted ampere rating or setting of the ____.

a.

overcurrent device

b.

 load

c.

receptacle

d.

conductor

1 points  

QUESTION 36

1.     A separately derived ____ with 60 volts on each of two ungrounded conductors to a grounded neutral conductor can be used to reduce objectionable noise in sensitive electronic equipment locations.

a.

110-volt, single-phase, 3-wire system

b.

115-volt, single-phase, 3-wire system

c.

120-volt, single-phase, 3-wire system

d.

125-volt, single-phase, 3-wire system

1 points  

QUESTION 37

1.     Raceway fill calculations are a prerequisite in ____ needed for particular circuits.

a.

determining the size of raceway

b.

schematic requirements

c.

material requirements

d.

circuit loads

1 points  

QUESTION 38

1.     .Nonmetallic-sheathed cable passing through holes (or slots) in metal framing must be protected by ____ covering all metal edges.

a.

electrical tape

b.

rubber inserts

c.

listed bushings (or grommets)

d.

plastic covers (insulation)

1 points  

QUESTION 39

1.     ____ shall be connected to the electrical grounding system.

a.

Equilateral planes

b.

Equidistant planes

c.

Equipotential planes

d.

Equipositional planes

1 points  

QUESTION 40

1.     Conductors in concealed raceways, even though they may become accessible by withdrawing them, are still considered ____.

a.

distributed

b.

concealed

c.

grounded

d.

inaccessible

1 points  

QUESTION 41

1.     ____ branch circuit supplying receptacle(s) can also supply stage set lighting.

a.

Only a 50 ampere

b.

Only a 100 ampere

c.

Only a 150 ampere

d.

Any size

1 points  

QUESTION 42

1.     GFCI protection for personnel is required for every ____ receptacle located in the bathroom area.

a.

112-volt, single-phase 20-ampere

b.

125-volt, single-phase 20- and 25-ampere

c.

125-volt, single-phase 15- and 20-ampere

d.

112-volt, single-phase 15-ampere

1 points  

QUESTION 43

1.     According to the NEC®, live parts of electric equipment operating at 50 volts or more shall be guarded against ____ by approved enclosures.

a.

water damage

b.

accidental contact

c.

overvoltage

d.

phase transformations

1 points  

QUESTION 44

1.     Load calculations must be performed in order to determine the ____.

a.

voltage drop across all circuits

b.

size of circuit breakers

c.

placement of fuse boxes

d.

size of services and feeders

1 points  

QUESTION 45

1.     Cartridge fuse and fuseholder overcurrent protection provisions are located in ____.

a.

240.12

b.

240.21

c.

240.60 through 240.67

d.

404.8 and 404.13

1 points  

QUESTION 46

1.     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 ____.

a.

carries the potential for arcing

b.

also compromises wiring

c.

is intimate to the patient or staff

d.

could impinge on electrical equipment

1 points  

QUESTION 47

1.     A one-family dwelling service disconnecting means must have a minimum rating of ____.

a.

100 amperes, 3-wire

b.

100 amperes, 2-wire

c.

120 amperes, 4-wire

d.

120 amperes, 3-wire

1 points  

QUESTION 48

1.     The recommended voltage drop for a branch circuit is ____ % or less.

a.

3

b.

5

c.

1

d.

7

1 points  


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