Home Inspection Test Questions with all Correct & 100%
Verified Answers |Actual Complete Update |Already
Graded A+
What determines the amount of electricity (amperage) the wire can carry? ✔Correct Answer-
Size (diameter)
How many wires are there from the street into the house in a 240 volt system? ✔Correct
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? ✔Correct Answer-FALSE
What is the min. size wire to provide the house with 60 Amp. service? ✔Correct Answer-#6
gauge (copper)
How is the electrical system in most older homes grounded? ✔Correct Answer-To metal water
supply piping
The ground wire should always be clamped upstream of the water meter? ✔Correct Answer-
TRUE
How are electrical systems grounded on rural properties where the oil supply piping into the
house is plastic? ✔Correct 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
✔Correct 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 ✔Correct Answer-
TRUE
What is/ are the most common reasons for replacement of knob and tube wiring? ✔Correct
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.
✔Correct Answer-The use of grounding
Where are GFCI required in newer homes? ✔Correct 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 ✔Correct Answer-FALSE
What is the most common electrical flaw found residential? ✔Correct Answer-Over fusing
A non grounded receptacle within 6 foot of water should be replaced with? ✔Correct Answer-
GFCI , GFCI Upstream from receptacle , single pole GFCI breaker
The maximum number of disconnects allowed to shut off main panel are? ✔Correct Answer-6
What is the correct size copper wire for a 20 amp breaker? ✔Correct Answer-12 copper wire
Non-metallic sheathed cables in an attic on top of joist must be? ✔Correct 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? ✔Correct 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? ✔Correct Answer-Neutral and ground must be separated , must be
bonded , must be isolated
Grounding rod must be driven to what depth for proper protection? ✔Correct Answer-8 feet
A fused neutral ( neutral wire runs to a fuse) is considered? ✔Correct Answer-Unsafe
(True or False) A fused neutral ( neutral wire runs to a fuse) is considered is safe ? ✔Correct
Answer-False
2 conductor wiring can be used with a GFCI? ✔Correct Answer-TRUE
Does a sump pump require a GFCI? ✔Correct 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? ✔Correct
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?
✔Correct 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? ✔Correct Answer-
Fault protection, but not grounding protection
, Which action is required by most standards of practice in the electrical inspection? ✔Correct
Answer-Required to observe polarity and grounding of all interior Outlets within 6 feet of water
(True or False) The home inspector is required to use a GFCI tester and neon bulb tester at the
main panel? ✔Correct Answer-FALSE
(True or False) the home inspector is required to determine if aluminum branch circuit wiring is
safe ✔Correct Answer-FALSE
(True or False) the home inspector is required to dismantle a main disconnect and Main
overload protection devices? ✔Correct Answer-FALSE
(True or False) According to most standards the inspector must inspect branch circuit wiring
✔Correct Answer-TRUE
(True or False) According to most standards inspector must inspect Carbon Monoxide
detectors? ✔Correct Answer-FALSE
(True or False) According to most standards the inspector must inspect low voltage systems?
✔Correct Answer-FALSE
(True or False) According to most standards the inspector is not required to inspect security
system wiring? ✔Correct Answer-TRUE
What is the overall purpose of the electrical inspection ✔Correct Answer-To identify major
deficiencies in the electrical system
How do the standards describe the inspection of a home electrical system ✔Correct
Answer-"As a visual inspection, of the following: service drop , severice enterence, conductors
cables and racways, equpiment and main disconnects, service, grounds conductors, interior
compenents, overcurrent protection devices, a representative number of installed lighting,
fixtures, switches, and receptacles, ground fault circuit interrupters and arc fault
circuit interrupters." ✔Correct Answer-
what steps should a home inspector take to protect the customer safety ✔Correct Answer-
Have the customer stay a safe distance away from the electrical equipment.
What is resistance? ✔Correct Answer-Opposition of a material to the flow of electricity.
What is the measure for electromotive force? ✔Correct Answer-Volts
A material with a high resistance would be ✔Correct Answer-Good insulator
Verified Answers |Actual Complete Update |Already
Graded A+
What determines the amount of electricity (amperage) the wire can carry? ✔Correct Answer-
Size (diameter)
How many wires are there from the street into the house in a 240 volt system? ✔Correct
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? ✔Correct Answer-FALSE
What is the min. size wire to provide the house with 60 Amp. service? ✔Correct Answer-#6
gauge (copper)
How is the electrical system in most older homes grounded? ✔Correct Answer-To metal water
supply piping
The ground wire should always be clamped upstream of the water meter? ✔Correct Answer-
TRUE
How are electrical systems grounded on rural properties where the oil supply piping into the
house is plastic? ✔Correct 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
✔Correct 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 ✔Correct Answer-
TRUE
What is/ are the most common reasons for replacement of knob and tube wiring? ✔Correct
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.
✔Correct Answer-The use of grounding
Where are GFCI required in newer homes? ✔Correct 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 ✔Correct Answer-FALSE
What is the most common electrical flaw found residential? ✔Correct Answer-Over fusing
A non grounded receptacle within 6 foot of water should be replaced with? ✔Correct Answer-
GFCI , GFCI Upstream from receptacle , single pole GFCI breaker
The maximum number of disconnects allowed to shut off main panel are? ✔Correct Answer-6
What is the correct size copper wire for a 20 amp breaker? ✔Correct Answer-12 copper wire
Non-metallic sheathed cables in an attic on top of joist must be? ✔Correct 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? ✔Correct 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? ✔Correct Answer-Neutral and ground must be separated , must be
bonded , must be isolated
Grounding rod must be driven to what depth for proper protection? ✔Correct Answer-8 feet
A fused neutral ( neutral wire runs to a fuse) is considered? ✔Correct Answer-Unsafe
(True or False) A fused neutral ( neutral wire runs to a fuse) is considered is safe ? ✔Correct
Answer-False
2 conductor wiring can be used with a GFCI? ✔Correct Answer-TRUE
Does a sump pump require a GFCI? ✔Correct 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? ✔Correct
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?
✔Correct 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? ✔Correct Answer-
Fault protection, but not grounding protection
, Which action is required by most standards of practice in the electrical inspection? ✔Correct
Answer-Required to observe polarity and grounding of all interior Outlets within 6 feet of water
(True or False) The home inspector is required to use a GFCI tester and neon bulb tester at the
main panel? ✔Correct Answer-FALSE
(True or False) the home inspector is required to determine if aluminum branch circuit wiring is
safe ✔Correct Answer-FALSE
(True or False) the home inspector is required to dismantle a main disconnect and Main
overload protection devices? ✔Correct Answer-FALSE
(True or False) According to most standards the inspector must inspect branch circuit wiring
✔Correct Answer-TRUE
(True or False) According to most standards inspector must inspect Carbon Monoxide
detectors? ✔Correct Answer-FALSE
(True or False) According to most standards the inspector must inspect low voltage systems?
✔Correct Answer-FALSE
(True or False) According to most standards the inspector is not required to inspect security
system wiring? ✔Correct Answer-TRUE
What is the overall purpose of the electrical inspection ✔Correct Answer-To identify major
deficiencies in the electrical system
How do the standards describe the inspection of a home electrical system ✔Correct
Answer-"As a visual inspection, of the following: service drop , severice enterence, conductors
cables and racways, equpiment and main disconnects, service, grounds conductors, interior
compenents, overcurrent protection devices, a representative number of installed lighting,
fixtures, switches, and receptacles, ground fault circuit interrupters and arc fault
circuit interrupters." ✔Correct Answer-
what steps should a home inspector take to protect the customer safety ✔Correct Answer-
Have the customer stay a safe distance away from the electrical equipment.
What is resistance? ✔Correct Answer-Opposition of a material to the flow of electricity.
What is the measure for electromotive force? ✔Correct Answer-Volts
A material with a high resistance would be ✔Correct Answer-Good insulator