IEC YEAR 1 FINAL EXAM LATEST 2025/2026 ACTUAL EXAM WITH
COMPLETE QUESTIONS AND CORRECT DETAILED ANSWERS (100%
VERIFIED ANSWERS) |ALREADY GRADED A+| ||PROFESSOR
VERIFIED|| ||BRANDNEW!!!||
Generally, an overcurrent protective device is not permitted to be
continuously loaded to more than ___ percent of its rating.
a.50
b.125
c.100
d.80 - ANSWER-d. 80
A disconnect switch is fused with plug fuses and supplied from a
2-pole breaker in space 8-10 in the 277/480-volt, 3Ø, 4-wire
panel. This is a Code violation.
a.True
b.False - ANSWER-a. True
240.50(a)(2)
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Plug fuses can only be used on 120/240V or 120/208V panels or
lower.
A breaker panel is permitted to be located ___.
I. in the bathroom in a house
II. in an electrical room in a school
III. in a bathroom in a restaurant - ANSWER-2 and 3 Only
Article ___ of the NEC® covers the requirements for fuses, fuse
holders, and fuse adapters.
a.260 Part III
b.270 Part IV
c.240, Part V
d.250 Part VI - ANSWER-c. 240, Part V
Which of the following types of current travel through a fuse?
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a.overload
b.short-circuit
c.normal
d.ground-fault
e.all of these - ANSWER-e. all of these
Which of the following are standard size circuit breakers?
I. 125
II. 150
a.I only
b.II only
c.both I & II
d.neither I nor II - ANSWER-c. Both 1 and 2
Which of the following are standard size circuit breakers?
I. 20
II. 25
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III. 30
a.I & III only
b.I, II & III
c.II & III only
d.I & II only - ANSWER-b. I, II & III
A fused switch is permitted to be located ___.
I. in the bathroom in a house
II. in an electrical room in a school
III. in a bathroom in a hotel room
a.I, II & III
b.II only
c.II & III only
d.I & III only
e.III only - ANSWER-b. II only