JOURNEYMAN ELECTRICIAN EVALUATION EXAMS
QUESTIONS AND ANSWERS SET A+
tors with _______ Insulation have a greater ampacity when used in a dry location
compared to when used in a wet location - ✔✔THHW
✔✔When calculating total load for buildings and finding minimum branch circuit load,
what must be factored into the volt amps for an exterior electric sign? - ✔✔Demand load
(1.25)
✔✔Table C.11 and C.11(A) show conductor numbers for size for schedule 40 PVC,
what is the difference in charts? - ✔✔Compact vs stranded conductors
✔✔332.30 states that type MI cable shall be supported at intervals of at least how many
feet? - ✔✔Six feet
✔✔What table sizes equipment grounding conductors for specific over current devices?
- ✔✔250.122
✔✔Wye is another term for what kind of systems? - ✔✔Three phase
✔✔What is the equation for voltage drop? - ✔✔VD=2KID/CM
✔✔In the voltage drop equation, what is the value CM, and where is it found in the NEC
codebook? - ✔✔Circular mile, chapter 9, table 8
✔✔Conductors installed under at least _______ inches of concrete are considered by
NEC Section 230.6 to be outside the building. - ✔✔2 inches
, ✔✔Conductors installed in electrically heated floors in bathrooms, kitchens, and in
hydro massage bathtub locations shall be provided with what kind of protection? -
✔✔GFCI 424.44(E)
✔✔With 90 kVA and 208Y, what is the current on each ungrounded phase conductor at
full load? - ✔✔90kVA/(208X1.732) 250 amps
✔✔For dwelling units, GFCI protection shall be provided for lighting outlets not
exceeding 120 volts where installed in - ✔✔Crawl spaces
✔✔430.32 gives percentages for marked service factors on motors. For 40 degrees C
or less and 1.15, what is the percentage you multiply by? - ✔✔125%
✔✔422.13 states fixed storage water heaters with a capacity of ____ gallons should be
considered a continuous load for sizing branch circuits - ✔✔120 gallons
✔✔250.54(G) states when driving a ground rod and solid rock is encountered, the
ground rod is permitted to be buried in a trench at least how deep? - ✔✔30 inches
✔✔Section 210.11(C)(2) states at least one additional _____ amp circuit shall be
provided to supply the laundry outlet in the laundry room - ✔✔20 ampere
✔✔What section of the NEC discusses corrosion protection? - ✔✔300.6
✔✔300.6 says that where corrosion protection is necessary and the conduit is threaded
in the field, the threads shall be coated with what? - ✔✔An electrically conductive,
corrosion resistant compound
✔✔110.26 (E) discusses the space equal to the width and depth of the equipment and
extending from the floor to a height of six feet above the equipment or to the structural
ceiling. What is this called? - ✔✔Dedicated electrical space
✔✔For single phase dwelling services, when sizing conductors, 100-400 amps, what do
you multiply your ampacity by to derate? - ✔✔83 percent
✔✔For stationary motors of 2 hp or less, and 300 volts or less, a general use switch
having an ampere rating of _____ the flc rating of the motor is permitted to be used -
✔✔2 times
✔✔240.22 states no over current device shall be connected in series with any
conductors - ✔✔The overcurrent device opens all conductors of the circuit, including the
grounded and is designed so no pole can operate independently.
QUESTIONS AND ANSWERS SET A+
tors with _______ Insulation have a greater ampacity when used in a dry location
compared to when used in a wet location - ✔✔THHW
✔✔When calculating total load for buildings and finding minimum branch circuit load,
what must be factored into the volt amps for an exterior electric sign? - ✔✔Demand load
(1.25)
✔✔Table C.11 and C.11(A) show conductor numbers for size for schedule 40 PVC,
what is the difference in charts? - ✔✔Compact vs stranded conductors
✔✔332.30 states that type MI cable shall be supported at intervals of at least how many
feet? - ✔✔Six feet
✔✔What table sizes equipment grounding conductors for specific over current devices?
- ✔✔250.122
✔✔Wye is another term for what kind of systems? - ✔✔Three phase
✔✔What is the equation for voltage drop? - ✔✔VD=2KID/CM
✔✔In the voltage drop equation, what is the value CM, and where is it found in the NEC
codebook? - ✔✔Circular mile, chapter 9, table 8
✔✔Conductors installed under at least _______ inches of concrete are considered by
NEC Section 230.6 to be outside the building. - ✔✔2 inches
, ✔✔Conductors installed in electrically heated floors in bathrooms, kitchens, and in
hydro massage bathtub locations shall be provided with what kind of protection? -
✔✔GFCI 424.44(E)
✔✔With 90 kVA and 208Y, what is the current on each ungrounded phase conductor at
full load? - ✔✔90kVA/(208X1.732) 250 amps
✔✔For dwelling units, GFCI protection shall be provided for lighting outlets not
exceeding 120 volts where installed in - ✔✔Crawl spaces
✔✔430.32 gives percentages for marked service factors on motors. For 40 degrees C
or less and 1.15, what is the percentage you multiply by? - ✔✔125%
✔✔422.13 states fixed storage water heaters with a capacity of ____ gallons should be
considered a continuous load for sizing branch circuits - ✔✔120 gallons
✔✔250.54(G) states when driving a ground rod and solid rock is encountered, the
ground rod is permitted to be buried in a trench at least how deep? - ✔✔30 inches
✔✔Section 210.11(C)(2) states at least one additional _____ amp circuit shall be
provided to supply the laundry outlet in the laundry room - ✔✔20 ampere
✔✔What section of the NEC discusses corrosion protection? - ✔✔300.6
✔✔300.6 says that where corrosion protection is necessary and the conduit is threaded
in the field, the threads shall be coated with what? - ✔✔An electrically conductive,
corrosion resistant compound
✔✔110.26 (E) discusses the space equal to the width and depth of the equipment and
extending from the floor to a height of six feet above the equipment or to the structural
ceiling. What is this called? - ✔✔Dedicated electrical space
✔✔For single phase dwelling services, when sizing conductors, 100-400 amps, what do
you multiply your ampacity by to derate? - ✔✔83 percent
✔✔For stationary motors of 2 hp or less, and 300 volts or less, a general use switch
having an ampere rating of _____ the flc rating of the motor is permitted to be used -
✔✔2 times
✔✔240.22 states no over current device shall be connected in series with any
conductors - ✔✔The overcurrent device opens all conductors of the circuit, including the
grounded and is designed so no pole can operate independently.
