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Exam (elaborations)

IEC 4th year Final

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  • Course
  • IEC 4th year
  • Institution
  • IEC 4th Year

Exam of 29 pages for the course IEC 4th year at IEC 4th year (IEC 4th year Final)

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  • November 14, 2024
  • 29
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • IEC 4th year
  • IEC 4th year
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knowledgeNest
IEC 4TH YEAR FINAL QUESTIONS &
V




ANSWERS ELABORATION


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 - 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 - 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 - 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 - b. 30



Supply cords for mobile homes shall be rated not less than ___ amperes.

Select one:

a. 100

b. 60

c. 50

d. 125 - c. 50



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 - 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 - 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 - 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 - 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 - d. 6 ft.

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