Journeyman Electrician Exam
Questions & Answers (Grade A+)
For other than one-and two-family dwellings, when building a new
electrical service, at least one (1) 125-volt, single-phase, 15- or 20-
ampere-rated receptacle outlet shall be located within at LEAST
_____ of the electrical service equipment? -
correct answer ✅50 feet
The ampacity of a conductor is defined by the NEC to be the
maximum current, in amperes, a conductor can carry continuously
under the conditions of use without exceeding ______? -
correct answer ✅it's temperature rating
Disconnect switch enclosure installed in a Class II, Division 2
location shall be listed as _____? -
correct answer ✅dusttight
The interior of enclosures or raceways installed underground shall
be considered as a _____ location? -
correct answer ✅dry
Determine the MAXIMUM allowable current-carrying capacity of
four (4) size 1/0 AWG THW copper current-carrying conductors
installed in a common raceway with an ambient temperature of 86
,Journeyman Electrician Exam
Questions & Answers (Grade A+)
degrees F? -
correct answer ✅120 amperes
The NEC defines a continuous load to be a load where the
maximum current on the circuit is expected to continue for at
LEAST____ hours or more? -
correct answer ✅three
The service disconnecting means for each electrical service shall
consist of NOT more than _____ switches or circuit breakers,
mounted in a single enclosure or in a group of separate enclosures.
-
correct answer ✅six
Given: You have determined a conductor has a computed allowable
ampacity of 75 amperes. What is the MAXIMUM standard ampere
rating of the overcurrent protection device the NEC® permits to
protect this circuit where this is not a motor circuit or part of a
multioutlet branch circuit supplying more than one receptacle? -
correct answer ✅80 amperes
, Journeyman Electrician Exam
Questions & Answers (Grade A+)
A 208-volt, 3-phase, 50 hp, squirrel-cage, continuous-duty, ac
motor has a full-load running current rating of _____? -
correct answer ✅143 amperes
What is the MAXIMUM distance that a disconnect switch is
permitted to be located from the operator's station for a portable
carnival ride? -
correct answer ✅6 feet
Determine the MINIMUM trade size electrical metallic tubing (EMT)
required to enclose eight (8) size 6 AWG copper conductors with
THHW insulation, when installed in a 50 foot conduit run? -
correct answer ✅1 1/4 in.
Where exceptions are not applicable, when a feeder supplies a
continuous load of 240 amperes, the overcurrent protection device
protecting this circuit shall have a rating of at LEAST _____? -
correct answer ✅300 amperes
Liquidtight flexible metal conduit (LFMC) shall be securely fastened
WITHIN _____ of each box or other conduit termination? -
correct answer ✅12 inches
Questions & Answers (Grade A+)
For other than one-and two-family dwellings, when building a new
electrical service, at least one (1) 125-volt, single-phase, 15- or 20-
ampere-rated receptacle outlet shall be located within at LEAST
_____ of the electrical service equipment? -
correct answer ✅50 feet
The ampacity of a conductor is defined by the NEC to be the
maximum current, in amperes, a conductor can carry continuously
under the conditions of use without exceeding ______? -
correct answer ✅it's temperature rating
Disconnect switch enclosure installed in a Class II, Division 2
location shall be listed as _____? -
correct answer ✅dusttight
The interior of enclosures or raceways installed underground shall
be considered as a _____ location? -
correct answer ✅dry
Determine the MAXIMUM allowable current-carrying capacity of
four (4) size 1/0 AWG THW copper current-carrying conductors
installed in a common raceway with an ambient temperature of 86
,Journeyman Electrician Exam
Questions & Answers (Grade A+)
degrees F? -
correct answer ✅120 amperes
The NEC defines a continuous load to be a load where the
maximum current on the circuit is expected to continue for at
LEAST____ hours or more? -
correct answer ✅three
The service disconnecting means for each electrical service shall
consist of NOT more than _____ switches or circuit breakers,
mounted in a single enclosure or in a group of separate enclosures.
-
correct answer ✅six
Given: You have determined a conductor has a computed allowable
ampacity of 75 amperes. What is the MAXIMUM standard ampere
rating of the overcurrent protection device the NEC® permits to
protect this circuit where this is not a motor circuit or part of a
multioutlet branch circuit supplying more than one receptacle? -
correct answer ✅80 amperes
, Journeyman Electrician Exam
Questions & Answers (Grade A+)
A 208-volt, 3-phase, 50 hp, squirrel-cage, continuous-duty, ac
motor has a full-load running current rating of _____? -
correct answer ✅143 amperes
What is the MAXIMUM distance that a disconnect switch is
permitted to be located from the operator's station for a portable
carnival ride? -
correct answer ✅6 feet
Determine the MINIMUM trade size electrical metallic tubing (EMT)
required to enclose eight (8) size 6 AWG copper conductors with
THHW insulation, when installed in a 50 foot conduit run? -
correct answer ✅1 1/4 in.
Where exceptions are not applicable, when a feeder supplies a
continuous load of 240 amperes, the overcurrent protection device
protecting this circuit shall have a rating of at LEAST _____? -
correct answer ✅300 amperes
Liquidtight flexible metal conduit (LFMC) shall be securely fastened
WITHIN _____ of each box or other conduit termination? -
correct answer ✅12 inches
