Internachi Florida State Exam prep 100%
correct answers
The typical electrical service for homes in North America is a_____? - 120\240
Volt
The 240 Volt circuit is used for? - Appliances
The return conductor (a.k.a. the neutral) is at ___ volts because it is grounded to
the electric panel - Zero
Most 120 Volt circuits are wired to deliver ___ or ___ Amps of current - 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 - Residential, two
The point of attachment of the service drop conductors to a building or structure
must have a clearance of at least ___ ft - 10
Vertical clearance for overhead conductors they are over public streets - 18 feet
,Internachi Florida State Exam prep 100%
correct answers
Vertical clearance for overhead conductors that are over commercial parking
areas - 18 feet
Vertical clearance for overhead conductors that are over swimming pools? - 22
feet and 6 inches, 10 feet horizontal
Vertical clearance for overhead conductors that are over residential properties? -
12 feet
Vertical clearance for overhead conductors that are from sides of doors? - 3 feet
from the bottom, sides and front
The inspector should recommend that any ____ Within 5 to 6 feet be cut back -
Tree limbs
The clearance for open overhead service conductors from the front, bottom and
sides of windows that______Is 3 feet - Open
Every 5 to 6 feet, rigid service mast should be secured to ___ - The structure
points
,Internachi Florida State Exam prep 100%
correct answers
The method for installing a UF cable is __ - Above ground
A service entrance with ____ Connected conductors is a phase 3 supply - Four
The typical supply for square brand electric meter is ___ amps - 100
Most modern 200 amp electrical meters are marked ___ - 200 CL
The minimum conductor size for a ___ Amp service is a 4 AWG copper or 2 AWG
aluminum - 100
_____ Is a direct connection to the earth to aid in removing damaging transient
over voltages due to lightning - Grounding
____ Need to be bonded to the ground - All panel enclosures
Conductors between the main service disconnect to the distribution panels are
called ____ - Feeders
, Internachi Florida State Exam prep 100%
correct answers
How can you bonded a remote distribution panel? - By connecting the enclosure
to the grounding bus
100 Amps is the ____Service required for a new single-family home - Minimum
The electrical supply should be shut down with ___ movements of the hand - Six
or fewer
A common cause of arc flashes when removing panel fronts is ____? - Incorrect
fasteners
A split bus electrical panel uses a double pole breaker to ___ The120 V circuits -
Isolate
Which of the following would NOT be a defect? - Wire splices
Electrical service panel should be in a clear space measuring _____? - 30 inches
wide by 78 inches high by 36 inches deep
correct answers
The typical electrical service for homes in North America is a_____? - 120\240
Volt
The 240 Volt circuit is used for? - Appliances
The return conductor (a.k.a. the neutral) is at ___ volts because it is grounded to
the electric panel - Zero
Most 120 Volt circuits are wired to deliver ___ or ___ Amps of current - 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 - Residential, two
The point of attachment of the service drop conductors to a building or structure
must have a clearance of at least ___ ft - 10
Vertical clearance for overhead conductors they are over public streets - 18 feet
,Internachi Florida State Exam prep 100%
correct answers
Vertical clearance for overhead conductors that are over commercial parking
areas - 18 feet
Vertical clearance for overhead conductors that are over swimming pools? - 22
feet and 6 inches, 10 feet horizontal
Vertical clearance for overhead conductors that are over residential properties? -
12 feet
Vertical clearance for overhead conductors that are from sides of doors? - 3 feet
from the bottom, sides and front
The inspector should recommend that any ____ Within 5 to 6 feet be cut back -
Tree limbs
The clearance for open overhead service conductors from the front, bottom and
sides of windows that______Is 3 feet - Open
Every 5 to 6 feet, rigid service mast should be secured to ___ - The structure
points
,Internachi Florida State Exam prep 100%
correct answers
The method for installing a UF cable is __ - Above ground
A service entrance with ____ Connected conductors is a phase 3 supply - Four
The typical supply for square brand electric meter is ___ amps - 100
Most modern 200 amp electrical meters are marked ___ - 200 CL
The minimum conductor size for a ___ Amp service is a 4 AWG copper or 2 AWG
aluminum - 100
_____ Is a direct connection to the earth to aid in removing damaging transient
over voltages due to lightning - Grounding
____ Need to be bonded to the ground - All panel enclosures
Conductors between the main service disconnect to the distribution panels are
called ____ - Feeders
, Internachi Florida State Exam prep 100%
correct answers
How can you bonded a remote distribution panel? - By connecting the enclosure
to the grounding bus
100 Amps is the ____Service required for a new single-family home - Minimum
The electrical supply should be shut down with ___ movements of the hand - Six
or fewer
A common cause of arc flashes when removing panel fronts is ____? - Incorrect
fasteners
A split bus electrical panel uses a double pole breaker to ___ The120 V circuits -
Isolate
Which of the following would NOT be a defect? - Wire splices
Electrical service panel should be in a clear space measuring _____? - 30 inches
wide by 78 inches high by 36 inches deep
