IEC 4th year Final Exam Study Questions and Answers 2024
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Course
IEC 4th year
Institution
IEC 4th Year
Duty on escalator and moving walk driving machine motors shall be rated as ___.
Select one:
a. continuous
b. intermittent
c. varying
d. periodic
e. short-time -answer- a. continuous
Each carnival ride and concession shall be provided with a fused disconnect switch located within sight of a...
IEC 4th year Final Exam Study
Questions and Answers 2024
Duty on escalator and moving walk driving machine motors shall be rated as ___.
Select one:
a. continuous
b. intermittent
c. varying
d. periodic
e. short-time -answer- ✔a. continuous
Each carnival ride and concession shall be provided with a fused disconnect switch
located within sight of and within ___ feet of the operator's station.
Select one:
a. 8
b. 10
c. 6
d. 25
e. 50 -answer- ✔c. 6
An RV campground has 150 campsites with electrical power. Twenty-five of the
campsites are reserved as tent sites. How many sites are required to have a 30-amp,
125-volt receptacle?
Select one:
a. 0
b. 125
c. 150
d. 88
e. 25 -answer- ✔d. 88
Receptacles that provide shore power for boats shall be rated not less than ___
amperes.
Select one:
a. 20
b. 30
c. 40
d. 50 -answer- ✔b. 30
Supply cords for mobile homes shall be rated not less than ___ amperes.
Select one:
a. 100
b. 60
c. 50
d. 125 -answer- ✔c. 50
IEC 4th year Final exam
,IEC 4th year Final exam
Overcurrent protection for feeders and branch circuits supplying electric vehicle supply
equipment shall have a rating of not less than ___% of the maximum load of the electric
vehicle supply equipment.
Select one:
a. 80
b. 200
c. 125
d. 100
e. 150 -answer- ✔c. 125
Lamps in cellulose nitrate film storage vaults shall be installed in rigid luminaires of the
___ type.I. glass-enclosed II. guarded III. gasketed
Select one:
a. I & III only
b. I, II & III
c. II & III only
d. II only
e. I & II only -answer- ✔a. I & III only
A theater stage switchboard is used primarily to feed stage equipment and can contain
___, dimmers or relays with associated overcurrent protective devices, or overcurrent
protective devices alone.
Select one:
a. fuses
b. dimmers
c. relays
d. all of these -answer- ✔d. all of these
A ___ is an assembly cable containing one male and two female cord connectors used
to connect two loads to one branch circuit.
Select one:
a. tap box
b. splitter
c. transfer cable
d. two-fer
e. breakout assembly -answer- ✔d. two-fer
What is the maximum distance that a disconnect can be located from the operator's
station for a carnival ride?
Select one:
a. 10 ft.
b. 50 ft.
c. 25 ft.
d. 6 ft -answer- ✔d. 6 ft.
IEC 4th year Final exam
, IEC 4th year Final exam
In a recreational vehicle park with electrical supply, at least ___% of the sites shall be
equipped with 30-ampere, 125-volt receptacles.
Select one:
a. 100
b. 5
c. 70
d. 20 -answer- ✔c. 70
Every recreational vehicle site with electrical supply shall be equipped with at least ___
20-ampere, 125-volt receptacle(s).
Select one:
a. one
b. three
c. two
d. four
e. none are required -answer- ✔a. one
The power supply cord to a mobile home must not be longer than ___ feet.
Select one:
a. 361/2
b. 21
c. 261/2
d. 20
e. 50 -answer- ✔a. 36 1/2
The power supply to the mobile home shall be a feeder assembly consisting of not more
than one listed ___-ampere mobile power-supply cord with an integrally molded or
securely attached plug cap or a permanently installed feeder.
Select one:
a. 60
b. 100
c. 30
d. 50
e. 20 -answer- ✔d. 50
Outdoor mobile home disconnecting means shall be installed so the bottom of the
enclosure containing the disconnecting means is not less than ___ above finished grade
or the working platform.
Select one:
a. 11/2 ft.
b. 6 ft-7 in.
c. 2 ft.
d. 6 ft-6 in.
e. 21/2 ft. -answer- ✔c. 2 ft.
IEC 4th year Final exam
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