HOME INSPECTOR BUNDLED EXAMS
COMPREHENSIVE QUESTIONS AND
ANSWERS VERIFIED 2026
⩥ How many wires are there from the street into the house in a 240 volt
system? Answer: 3 conductors
⩥ The size of the fuses or breakers at the main disconnect will always
tell you the how much electricity is available to the house? Answer:
FALSE
⩥ What is the min. size wire to provide the house with 60 Amp. service?
Answer: #6 gauge (copper)
⩥ How is the electrical system in most older homes grounded? Answer:
To metal water supply piping
⩥ The ground wire should always be clamped upstream of the water
meter? Answer: TRUE
⩥ How are electrical systems grounded on rural properties where the oil
supply piping into the house is plastic? Answer: Both ground rods and
metal well casing is used
,⩥ Breakers are safer than fuses, anyhow with fuses should be upgraded
to Breakers. True or false Answer: False fuses are just as safe as long as
properly maintained and installed
⩥ Fuses are more prone to be improperly sized and overloaded? True or
false Answer: TRUE
⩥ What is/ are the most common reasons for replacement of knob and
tube wiring? Answer: Breakdown of cloth covering insulation, buried in
thermal insulation, and homeowner splices and repairs are all common
reasons for replacement
⩥ Name an important Improvement between knob and tube wiring and
modern cable. Answer: The use of grounding
⩥ Where are GFCI required in newer homes? Answer: Ground-fault
circuit indicators are required in new homes in kitchen's, bathrooms,
unfinished basements, Outdoors area Porches, and garages.
⩥ In most cases, three distribution wires connected to one fuse or
breaker is acceptable? True or false Answer: FALSE
⩥ What is the most common electrical flaw found residential? Answer:
Over fusing
,⩥ A non grounded receptacle within 6 foot of water should be replaced
with? Answer: GFCI , GFCI Upstream from receptacle , single pole
GFCI breaker
⩥ The maximum number of disconnects allowed to shut off main panel
are? Answer: 6
⩥ What is the correct size copper wire for a 20 amp breaker? Answer: 12
copper wire
⩥ Non-metallic sheathed cables in an attic on top of joist must be?
Answer: Both protected within 6 feet of attic ladder , Scuttle hole and
must be fastened every 4 and 1/2 feet
⩥ What closet lighting is ok? Answer: Surface mounted or recessed
incandescent fixtures with completely enclosed lamps, recessed
fluorescent fixtures , mounted incandescent fixtures can be mounted on
ceiling with 12 inch clearance
⩥ Sub panel requirements? Answer: Neutral and ground must be
separated , must be bonded , must be isolated
⩥ Grounding rod must be driven to what depth for proper protection?
Answer: 8 feet
, ⩥ A fused neutral ( neutral wire runs to a fuse) is considered? Answer:
Unsafe
⩥ (True or False) A fused neutral ( neutral wire runs to a fuse) is
considered is safe ? Answer: False
⩥ 2 conductor wiring can be used with a GFCI? Answer: TRUE
⩥ Does a sump pump require a GFCI? Answer: Not, if it is attached to a
dedicated receptacle or circuit
⩥ What is the minimum required clearance in front of the main electrical
panel box? Answer: 30 inches wide X 36 inches front clearance is
required at breaker box
⩥ AC cable commonly known as BX , contains a bare aluminum wire.
What is its purpose? Answer: The wire is a bonding wire and should not
be connected or brought into the interior of boxes
⩥ When a GFCI is installed on a two wire non grounded system it
provides? Answer: Fault protection, but not grounding protection
⩥ Which action is required by most standards of practice in the electrical
inspection? Answer: Required to observe polarity and grounding of all
interior Outlets within 6 feet of water
COMPREHENSIVE QUESTIONS AND
ANSWERS VERIFIED 2026
⩥ How many wires are there from the street into the house in a 240 volt
system? Answer: 3 conductors
⩥ The size of the fuses or breakers at the main disconnect will always
tell you the how much electricity is available to the house? Answer:
FALSE
⩥ What is the min. size wire to provide the house with 60 Amp. service?
Answer: #6 gauge (copper)
⩥ How is the electrical system in most older homes grounded? Answer:
To metal water supply piping
⩥ The ground wire should always be clamped upstream of the water
meter? Answer: TRUE
⩥ How are electrical systems grounded on rural properties where the oil
supply piping into the house is plastic? Answer: Both ground rods and
metal well casing is used
,⩥ Breakers are safer than fuses, anyhow with fuses should be upgraded
to Breakers. True or false Answer: False fuses are just as safe as long as
properly maintained and installed
⩥ Fuses are more prone to be improperly sized and overloaded? True or
false Answer: TRUE
⩥ What is/ are the most common reasons for replacement of knob and
tube wiring? Answer: Breakdown of cloth covering insulation, buried in
thermal insulation, and homeowner splices and repairs are all common
reasons for replacement
⩥ Name an important Improvement between knob and tube wiring and
modern cable. Answer: The use of grounding
⩥ Where are GFCI required in newer homes? Answer: Ground-fault
circuit indicators are required in new homes in kitchen's, bathrooms,
unfinished basements, Outdoors area Porches, and garages.
⩥ In most cases, three distribution wires connected to one fuse or
breaker is acceptable? True or false Answer: FALSE
⩥ What is the most common electrical flaw found residential? Answer:
Over fusing
,⩥ A non grounded receptacle within 6 foot of water should be replaced
with? Answer: GFCI , GFCI Upstream from receptacle , single pole
GFCI breaker
⩥ The maximum number of disconnects allowed to shut off main panel
are? Answer: 6
⩥ What is the correct size copper wire for a 20 amp breaker? Answer: 12
copper wire
⩥ Non-metallic sheathed cables in an attic on top of joist must be?
Answer: Both protected within 6 feet of attic ladder , Scuttle hole and
must be fastened every 4 and 1/2 feet
⩥ What closet lighting is ok? Answer: Surface mounted or recessed
incandescent fixtures with completely enclosed lamps, recessed
fluorescent fixtures , mounted incandescent fixtures can be mounted on
ceiling with 12 inch clearance
⩥ Sub panel requirements? Answer: Neutral and ground must be
separated , must be bonded , must be isolated
⩥ Grounding rod must be driven to what depth for proper protection?
Answer: 8 feet
, ⩥ A fused neutral ( neutral wire runs to a fuse) is considered? Answer:
Unsafe
⩥ (True or False) A fused neutral ( neutral wire runs to a fuse) is
considered is safe ? Answer: False
⩥ 2 conductor wiring can be used with a GFCI? Answer: TRUE
⩥ Does a sump pump require a GFCI? Answer: Not, if it is attached to a
dedicated receptacle or circuit
⩥ What is the minimum required clearance in front of the main electrical
panel box? Answer: 30 inches wide X 36 inches front clearance is
required at breaker box
⩥ AC cable commonly known as BX , contains a bare aluminum wire.
What is its purpose? Answer: The wire is a bonding wire and should not
be connected or brought into the interior of boxes
⩥ When a GFCI is installed on a two wire non grounded system it
provides? Answer: Fault protection, but not grounding protection
⩥ Which action is required by most standards of practice in the electrical
inspection? Answer: Required to observe polarity and grounding of all
interior Outlets within 6 feet of water
