NORTH CAROLINA HOME
INSPECTION LICENSING EXAM
STUDY GUIDE 2024/2025 (QUESTIONS
AND CORRECT ANSWERS)
The ________ and _________ breaker panels are known to be major electrical
fire hazards and have been recalled.
Fpe stab-lok and zinsco
The service drop cable running over a 4:12 or greater pitch roof has to be ____
over the ridge.
3'
If you have a 8 gauge stranded aluminum cable running to a 40 amp breaker
that goes to an electric stove and a 10 gauge single strand copper cable running
to a 40 amp breaker that goes to the condenser unit, which one is wrong and
how would you fix it?
The aluminum wire is too small for the breaker, it requires a 6 gauge wire
In the sub panel the grounding bus bar has been bonded to the neutral bus bar,
this acNon is called what?
Parallel paths
Indoor staircases are required to have a three-way switch at the top and
boPom if they have __ or more risers.
6
In a complete circuit the ___ wire carries the current with no energy back to
the source.
Neutral
,Every home must have at least __ plumbing vents extending through the roof
by at least __ inches.
1 and 6 inches
Minimum size for the bathroom drain fixtures?
1 ¼ in
Must have a union fiUng on all pipes within __ feet of the water heater?
5W
What does the r-value mean in aUc insulaNon?
Resistant
Electric safety eye sensor should be __ inches from floor?
3 - 6"
With a vapor barrier there should be __ sqW per __ of aUc space?
1 sq W per 300 sq W
What should a steam boil have to prevent cross connecNons?
Bfp: back flow preventer
_______ are any material which allow its electrons to move through the
material.
Conductors
A complete circuit must include a ______.
Load
The amount of energy is known as _____.
Amps
The pressure behind electrical current is _____.
Volts
The resistance to current flow is known as ______.
Ohms
, Higher amp circuits need thicker wire gage because more amps generate more
_____.
Heat
The rate of work or power is known as _____ .
WaPs
Doubling the ____ quadruples the amount of ____ generated.
Current / heat
Service ____ are overhead from a uNlity pole and service ____ are
underground from a uNlity trench.
Drops / laterals
The neutral wire has the same _____ as the black/hot wire but does not have
the ____ to shock you.
Amps / energy
How many wires in a three phase service drop cable?
4, (3) 120 volts and (1) neutral
A mansard style of roof is most likely to have leaks where?
The eyebrows
You are inspecNng a 25 year old roof that has cedar shakes, the full length of
the shake is 24", how much of the cedar shake can be exposed?
8" / ⅓ of the shingle
_____ is a moisture protecNon barrier that is installed on top of the roof
sheathing prior to installing shingles.
Underlayment
You are inspecNng a home in december that has architectural shingles and
noNce ice damming around the eaves and guPers of the roof, what are two
things that could cause this?
Lack of venNlaNon and lack of insulaNon in the aUc
INSPECTION LICENSING EXAM
STUDY GUIDE 2024/2025 (QUESTIONS
AND CORRECT ANSWERS)
The ________ and _________ breaker panels are known to be major electrical
fire hazards and have been recalled.
Fpe stab-lok and zinsco
The service drop cable running over a 4:12 or greater pitch roof has to be ____
over the ridge.
3'
If you have a 8 gauge stranded aluminum cable running to a 40 amp breaker
that goes to an electric stove and a 10 gauge single strand copper cable running
to a 40 amp breaker that goes to the condenser unit, which one is wrong and
how would you fix it?
The aluminum wire is too small for the breaker, it requires a 6 gauge wire
In the sub panel the grounding bus bar has been bonded to the neutral bus bar,
this acNon is called what?
Parallel paths
Indoor staircases are required to have a three-way switch at the top and
boPom if they have __ or more risers.
6
In a complete circuit the ___ wire carries the current with no energy back to
the source.
Neutral
,Every home must have at least __ plumbing vents extending through the roof
by at least __ inches.
1 and 6 inches
Minimum size for the bathroom drain fixtures?
1 ¼ in
Must have a union fiUng on all pipes within __ feet of the water heater?
5W
What does the r-value mean in aUc insulaNon?
Resistant
Electric safety eye sensor should be __ inches from floor?
3 - 6"
With a vapor barrier there should be __ sqW per __ of aUc space?
1 sq W per 300 sq W
What should a steam boil have to prevent cross connecNons?
Bfp: back flow preventer
_______ are any material which allow its electrons to move through the
material.
Conductors
A complete circuit must include a ______.
Load
The amount of energy is known as _____.
Amps
The pressure behind electrical current is _____.
Volts
The resistance to current flow is known as ______.
Ohms
, Higher amp circuits need thicker wire gage because more amps generate more
_____.
Heat
The rate of work or power is known as _____ .
WaPs
Doubling the ____ quadruples the amount of ____ generated.
Current / heat
Service ____ are overhead from a uNlity pole and service ____ are
underground from a uNlity trench.
Drops / laterals
The neutral wire has the same _____ as the black/hot wire but does not have
the ____ to shock you.
Amps / energy
How many wires in a three phase service drop cable?
4, (3) 120 volts and (1) neutral
A mansard style of roof is most likely to have leaks where?
The eyebrows
You are inspecNng a 25 year old roof that has cedar shakes, the full length of
the shake is 24", how much of the cedar shake can be exposed?
8" / ⅓ of the shingle
_____ is a moisture protecNon barrier that is installed on top of the roof
sheathing prior to installing shingles.
Underlayment
You are inspecNng a home in december that has architectural shingles and
noNce ice damming around the eaves and guPers of the roof, what are two
things that could cause this?
Lack of venNlaNon and lack of insulaNon in the aUc
