Internachi Florida State Exam prep
Questions and Answers 100% Pass
The typical electrical service for homes in North America is a_____? - CORRECT
ANSWER-120\240 Volt
The 240 Volt circuit is used for? - CORRECT ANSWER-Appliances
The return conductor (a.k.a. the neutral) is at ___ volts because it is grounded to
the electric panel - CORRECT ANSWER-Zero
Most 120 Volt circuits are wired to deliver ___ or ___ Amps of current -
CORRECT ANSWER-15, 20
Most ___ Buildings are supplied with 120\240 Volt services. This means that the
cable assembly is made up of ___ ungrounded conductors each supplying 120 V
with one ground - CORRECT ANSWER-Residential, two
The point of attachment of the service drop conductors to a building or structure
must have a clearance of at least ___ ft - CORRECT ANSWER-10
Vertical clearance for overhead conductors they are over public streets -
CORRECT ANSWER-18 feet
,Vertical clearance for overhead conductors that are over commercial parking areas
- CORRECT ANSWER-18 feet
Vertical clearance for overhead conductors that are over swimming pools? -
CORRECT ANSWER-22 feet and 6 inches, 10 feet horizontal
Vertical clearance for overhead conductors that are over residential properties? -
CORRECT ANSWER-12 feet
Vertical clearance for overhead conductors that are from sides of doors? -
CORRECT ANSWER-3 feet from the bottom, sides and front
The inspector should recommend that any ____ Within 5 to 6 feet be cut back -
CORRECT ANSWER-Tree limbs
The clearance for open overhead service conductors from the front, bottom and
sides of windows that______Is 3 feet - CORRECT ANSWER-Open
Every 5 to 6 feet, rigid service mast should be secured to ___ - CORRECT
ANSWER-The structure points
The method for installing a UF cable is __ - CORRECT ANSWER-Above ground
A service entrance with ____ Connected conductors is a phase 3 supply -
CORRECT ANSWER-Four
COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED
,The typical supply for square brand electric meter is ___ amps - CORRECT
ANSWER-100
Most modern 200 amp electrical meters are marked ___ - CORRECT ANSWER-
200 CL
The minimum conductor size for a ___ Amp service is a 4 AWG copper or 2
AWG aluminum - CORRECT ANSWER-100
_____ Is a direct connection to the earth to aid in removing damaging transient
over voltages due to lightning - CORRECT ANSWER-Grounding
____ Need to be bonded to the ground - CORRECT ANSWER-All panel
enclosures
Conductors between the main service disconnect to the distribution panels are
called ____ - CORRECT ANSWER-Feeders
How can you bonded a remote distribution panel? - CORRECT ANSWER-By
connecting the enclosure to the grounding bus
100 Amps is the ____Service required for a new single-family home - CORRECT
ANSWER-Minimum
The electrical supply should be shut down with ___ movements of the hand -
CORRECT ANSWER-Six or fewer
A common cause of arc flashes when removing panel fronts is ____? - CORRECT
ANSWER-Incorrect fasteners
, A split bus electrical panel uses a double pole breaker to ___ The120 V circuits -
CORRECT ANSWER-Isolate
Which of the following would NOT be a defect? - CORRECT ANSWER-Wire
splices
Electrical service panel should be in a clear space measuring _____? - CORRECT
ANSWER-30 inches wide by 78 inches high by 36 inches deep
Fused main disconnects are usually a maximum of ___ amps - CORRECT
ANSWER-100
Upgrading to ___ fuses stops over fusing - CORRECT ANSWER-S
Electric panel buses colored red, blue, and black are indicative of a ___? -
CORRECT ANSWER-Three phase supply
GFCI breakers have ____ conductors - CORRECT ANSWER-Two
What wiring would require a specialist? - CORRECT ANSWER-Solid conductor
aluminum branch wiring
Or horizontally mounted face up countertop receptacles allowed? - CORRECT
ANSWER-No
The first kind of residential wiring is called? - CORRECT ANSWER-Knob and
tube
COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED
Questions and Answers 100% Pass
The typical electrical service for homes in North America is a_____? - CORRECT
ANSWER-120\240 Volt
The 240 Volt circuit is used for? - CORRECT ANSWER-Appliances
The return conductor (a.k.a. the neutral) is at ___ volts because it is grounded to
the electric panel - CORRECT ANSWER-Zero
Most 120 Volt circuits are wired to deliver ___ or ___ Amps of current -
CORRECT ANSWER-15, 20
Most ___ Buildings are supplied with 120\240 Volt services. This means that the
cable assembly is made up of ___ ungrounded conductors each supplying 120 V
with one ground - CORRECT ANSWER-Residential, two
The point of attachment of the service drop conductors to a building or structure
must have a clearance of at least ___ ft - CORRECT ANSWER-10
Vertical clearance for overhead conductors they are over public streets -
CORRECT ANSWER-18 feet
,Vertical clearance for overhead conductors that are over commercial parking areas
- CORRECT ANSWER-18 feet
Vertical clearance for overhead conductors that are over swimming pools? -
CORRECT ANSWER-22 feet and 6 inches, 10 feet horizontal
Vertical clearance for overhead conductors that are over residential properties? -
CORRECT ANSWER-12 feet
Vertical clearance for overhead conductors that are from sides of doors? -
CORRECT ANSWER-3 feet from the bottom, sides and front
The inspector should recommend that any ____ Within 5 to 6 feet be cut back -
CORRECT ANSWER-Tree limbs
The clearance for open overhead service conductors from the front, bottom and
sides of windows that______Is 3 feet - CORRECT ANSWER-Open
Every 5 to 6 feet, rigid service mast should be secured to ___ - CORRECT
ANSWER-The structure points
The method for installing a UF cable is __ - CORRECT ANSWER-Above ground
A service entrance with ____ Connected conductors is a phase 3 supply -
CORRECT ANSWER-Four
COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED
,The typical supply for square brand electric meter is ___ amps - CORRECT
ANSWER-100
Most modern 200 amp electrical meters are marked ___ - CORRECT ANSWER-
200 CL
The minimum conductor size for a ___ Amp service is a 4 AWG copper or 2
AWG aluminum - CORRECT ANSWER-100
_____ Is a direct connection to the earth to aid in removing damaging transient
over voltages due to lightning - CORRECT ANSWER-Grounding
____ Need to be bonded to the ground - CORRECT ANSWER-All panel
enclosures
Conductors between the main service disconnect to the distribution panels are
called ____ - CORRECT ANSWER-Feeders
How can you bonded a remote distribution panel? - CORRECT ANSWER-By
connecting the enclosure to the grounding bus
100 Amps is the ____Service required for a new single-family home - CORRECT
ANSWER-Minimum
The electrical supply should be shut down with ___ movements of the hand -
CORRECT ANSWER-Six or fewer
A common cause of arc flashes when removing panel fronts is ____? - CORRECT
ANSWER-Incorrect fasteners
, A split bus electrical panel uses a double pole breaker to ___ The120 V circuits -
CORRECT ANSWER-Isolate
Which of the following would NOT be a defect? - CORRECT ANSWER-Wire
splices
Electrical service panel should be in a clear space measuring _____? - CORRECT
ANSWER-30 inches wide by 78 inches high by 36 inches deep
Fused main disconnects are usually a maximum of ___ amps - CORRECT
ANSWER-100
Upgrading to ___ fuses stops over fusing - CORRECT ANSWER-S
Electric panel buses colored red, blue, and black are indicative of a ___? -
CORRECT ANSWER-Three phase supply
GFCI breakers have ____ conductors - CORRECT ANSWER-Two
What wiring would require a specialist? - CORRECT ANSWER-Solid conductor
aluminum branch wiring
Or horizontally mounted face up countertop receptacles allowed? - CORRECT
ANSWER-No
The first kind of residential wiring is called? - CORRECT ANSWER-Knob and
tube
COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED
