MICHIGAN JOURNEYMAN UPDATED EXAM SCRIPT
QUESTIONS AND ANSWERS GRADED A+
✔✔11. For a commercial building the service disconnecting means shall have a rating
of not less than___ amperes - ✔✔60amps 230.79.D
✔✔12. The small appliance branch circuit may also provide a receptacle to provide
power for supplemental equipment and lighting on____ - ✔✔gas fired ranges or ovens
210.50.B2
✔✔13. Where type NM cable is fastened within___ inches of the box securing the cable
to the box shall not be required. - ✔✔12" 314.17 exc C
✔✔14. Pool associated motors shall be permitted to employ cord and plug connections.
The flexible cord shall___? - ✔✔not exceed 3' in length 680.8.A
✔✔15. The length of the cord for a built-in dishwasher shall be___? - ✔✔3' to 6.5'
422.16.B.2.3
✔✔16. All 15 and 20-ampere, 125 and 250-volt non-locking type receptacles shall be
listed tamper resistant receptacles when installed in? - ✔✔elementary schools
✔✔17. A 1-inch conduit contains three 3-wire circuits. All conductors are # 10 TW. Each
circuit consists of two phase conductors, one neutral conductor that carries only the
unbalanced current, and one equipment grounding conductor. The maximum ampacity
of each phase conductor is___ amperes - ✔✔30amps
✔✔18. A kiln rated 6000 watts, 208 volts, 3 phase draws___ amperes. - ✔✔16.67amps
✔✔19. An Expansion joint is required for PVC conduit. When the temperature changes
from -5° to 100°F, the thermal expansion for 100 feet of Rigid PVC conduit is___ inches
- ✔✔4.26 t352.44
✔✔20. The allowable ampacity of a #12 AWG THHN copper conductor is___ a. -
✔✔30a
✔✔21. The maximum overcurrent protection for a circuit containing #12 AWG THHN
copper conductors is___ amperes - ✔✔20a small conductor rule 240.4.D5
✔✔22. There are six conductors in a raceway connected to 75® C rated breakers. Each
wire has a 70 amp load using THHN conductors. The minimum size conductors used
are #___AWG - ✔✔4awg
, ✔✔23. The maximum spacing between supports for 2" PVC is___ feet. - ✔✔5' t352.30
✔✔24. Where multiple Rod type electrodes are installed they shall not be less than___
feet apart. - ✔✔6' apart 250.53.A3
✔✔25. If a single rod, pipe, or plate electrode has a resistance to earth of___ ohms or
less, the supplemental electrode shall not be required. - ✔✔25ohms 250.53.A2 exc
✔✔26. A grounding electrode conductor connected to a rod type electrode shall not be
required to be larger than___ copper wire - ✔✔6awg 250.66.A
✔✔27. A grounding electrode conductor connected to a concrete encased electrode
shall not be required to be larger than___awg copper wire - ✔✔4awg 250.66.B
✔✔28. Rod type electrodes shall not be less than___ feet in length - ✔✔8' 250.50.A5
✔✔29. The volume allowance required for a #12 AWG THHN copper conductor is___
cubic inches - ✔✔2.25" t314.16.B
✔✔30. What size metal box (with internal clamps) is needed for the installation of two
3conductor/#10AWG w/ground? - ✔✔4"x 1.5" square t314.16.B/A
✔✔31. What size rigid metal conduit is needed for the installation of 6 #4 A WG THHN
copper conductors? - ✔✔1 1/4" Chp 9 t7
✔✔32. Where more than two conductors are installed in a conduit, the conduit shall be
permitted to be filled to___percent of it's cross-sectional area - ✔✔40%
✔✔33. What is the total area in inches squared of 3 - #4 AWG THHN copper
conductors and 5 - #6 AWG TW copper conductors - ✔✔.6102" Chp 9 t5
✔✔34. What is the minimum size EMT conduit is needed for the installation of 3 - #4
AWG THHN copper conductors and 5 - #6 AWG TW copper conductors - ✔✔1.5"
✔✔35. What is the minimum size EMT conduit 22" in length that is needed for the
installation of 3 - #4 A WG THHN copper conductors and 5 - #6 A WG TW copper
conductors - ✔✔1.25" Chp9 t5 60%
✔✔36. What is the full load current of a 40 Horsepower, 480 volt, 3-phase wound rotor
motor? - ✔✔52amps 430.250
QUESTIONS AND ANSWERS GRADED A+
✔✔11. For a commercial building the service disconnecting means shall have a rating
of not less than___ amperes - ✔✔60amps 230.79.D
✔✔12. The small appliance branch circuit may also provide a receptacle to provide
power for supplemental equipment and lighting on____ - ✔✔gas fired ranges or ovens
210.50.B2
✔✔13. Where type NM cable is fastened within___ inches of the box securing the cable
to the box shall not be required. - ✔✔12" 314.17 exc C
✔✔14. Pool associated motors shall be permitted to employ cord and plug connections.
The flexible cord shall___? - ✔✔not exceed 3' in length 680.8.A
✔✔15. The length of the cord for a built-in dishwasher shall be___? - ✔✔3' to 6.5'
422.16.B.2.3
✔✔16. All 15 and 20-ampere, 125 and 250-volt non-locking type receptacles shall be
listed tamper resistant receptacles when installed in? - ✔✔elementary schools
✔✔17. A 1-inch conduit contains three 3-wire circuits. All conductors are # 10 TW. Each
circuit consists of two phase conductors, one neutral conductor that carries only the
unbalanced current, and one equipment grounding conductor. The maximum ampacity
of each phase conductor is___ amperes - ✔✔30amps
✔✔18. A kiln rated 6000 watts, 208 volts, 3 phase draws___ amperes. - ✔✔16.67amps
✔✔19. An Expansion joint is required for PVC conduit. When the temperature changes
from -5° to 100°F, the thermal expansion for 100 feet of Rigid PVC conduit is___ inches
- ✔✔4.26 t352.44
✔✔20. The allowable ampacity of a #12 AWG THHN copper conductor is___ a. -
✔✔30a
✔✔21. The maximum overcurrent protection for a circuit containing #12 AWG THHN
copper conductors is___ amperes - ✔✔20a small conductor rule 240.4.D5
✔✔22. There are six conductors in a raceway connected to 75® C rated breakers. Each
wire has a 70 amp load using THHN conductors. The minimum size conductors used
are #___AWG - ✔✔4awg
, ✔✔23. The maximum spacing between supports for 2" PVC is___ feet. - ✔✔5' t352.30
✔✔24. Where multiple Rod type electrodes are installed they shall not be less than___
feet apart. - ✔✔6' apart 250.53.A3
✔✔25. If a single rod, pipe, or plate electrode has a resistance to earth of___ ohms or
less, the supplemental electrode shall not be required. - ✔✔25ohms 250.53.A2 exc
✔✔26. A grounding electrode conductor connected to a rod type electrode shall not be
required to be larger than___ copper wire - ✔✔6awg 250.66.A
✔✔27. A grounding electrode conductor connected to a concrete encased electrode
shall not be required to be larger than___awg copper wire - ✔✔4awg 250.66.B
✔✔28. Rod type electrodes shall not be less than___ feet in length - ✔✔8' 250.50.A5
✔✔29. The volume allowance required for a #12 AWG THHN copper conductor is___
cubic inches - ✔✔2.25" t314.16.B
✔✔30. What size metal box (with internal clamps) is needed for the installation of two
3conductor/#10AWG w/ground? - ✔✔4"x 1.5" square t314.16.B/A
✔✔31. What size rigid metal conduit is needed for the installation of 6 #4 A WG THHN
copper conductors? - ✔✔1 1/4" Chp 9 t7
✔✔32. Where more than two conductors are installed in a conduit, the conduit shall be
permitted to be filled to___percent of it's cross-sectional area - ✔✔40%
✔✔33. What is the total area in inches squared of 3 - #4 AWG THHN copper
conductors and 5 - #6 AWG TW copper conductors - ✔✔.6102" Chp 9 t5
✔✔34. What is the minimum size EMT conduit is needed for the installation of 3 - #4
AWG THHN copper conductors and 5 - #6 AWG TW copper conductors - ✔✔1.5"
✔✔35. What is the minimum size EMT conduit 22" in length that is needed for the
installation of 3 - #4 A WG THHN copper conductors and 5 - #6 A WG TW copper
conductors - ✔✔1.25" Chp9 t5 60%
✔✔36. What is the full load current of a 40 Horsepower, 480 volt, 3-phase wound rotor
motor? - ✔✔52amps 430.250
