JOURNEYMAN ELECTRICIAN QUESTIONS AND
ANSWERS SET A+
✔✔In general, when current carrying conductors are installed in parallel, the paralleled
conductors in each phase shall be what two things? - ✔✔The same size in circular mil
area and have the same insulation type
✔✔Any motors that supply a motor used in a short time, intermittent, or varying duty
application are permitted to have an ampacity of not less than the percentage values on
table _______ and called what? - ✔✔430.22(E) Duty Cycle Service
✔✔For branch circuit, short circuit and ground fault protection of motors, what table
gives percentages of flc for sizing of fuses and breakers? - ✔✔430.52
✔✔If the dual element fuse sizing for a motor branch circuit is not big enough to cover
starting current of the motor, what is the maximum you can multiply the flc by what?
What section is this found? - ✔✔225 percent, 430.52(C)(1) Ex.2
✔✔For motors feeder conductor sizing supplying two or more motors, when choosing
the protective device what two steps do you take? - ✔✔1) add largest of device
provided for the motor in the group plus
2) sum of all flc of other motors of the group
✔✔In addition to overcurrent protection, Most continuous duty electric motors rated
more than 1 hp, and motors automatically started having a rating of 1 hp or less are
required to be protected by what devices? What section for sizing? - ✔✔Overloads,
430.32
✔✔What table gives conductor application and insulations? - ✔✔310.104(A) like dry
and damp locations
ANSWERS SET A+
✔✔In general, when current carrying conductors are installed in parallel, the paralleled
conductors in each phase shall be what two things? - ✔✔The same size in circular mil
area and have the same insulation type
✔✔Any motors that supply a motor used in a short time, intermittent, or varying duty
application are permitted to have an ampacity of not less than the percentage values on
table _______ and called what? - ✔✔430.22(E) Duty Cycle Service
✔✔For branch circuit, short circuit and ground fault protection of motors, what table
gives percentages of flc for sizing of fuses and breakers? - ✔✔430.52
✔✔If the dual element fuse sizing for a motor branch circuit is not big enough to cover
starting current of the motor, what is the maximum you can multiply the flc by what?
What section is this found? - ✔✔225 percent, 430.52(C)(1) Ex.2
✔✔For motors feeder conductor sizing supplying two or more motors, when choosing
the protective device what two steps do you take? - ✔✔1) add largest of device
provided for the motor in the group plus
2) sum of all flc of other motors of the group
✔✔In addition to overcurrent protection, Most continuous duty electric motors rated
more than 1 hp, and motors automatically started having a rating of 1 hp or less are
required to be protected by what devices? What section for sizing? - ✔✔Overloads,
430.32
✔✔What table gives conductor application and insulations? - ✔✔310.104(A) like dry
and damp locations
