ND Journeyman Electrician Exam Prep-
Article 300(Wiring Methods and
Materials), 300.17(Conductors in a
Raceway), 310(Conductors for General
Wiring), 314(Outlet, Device, Pull, and
Junction Boxes) 334(NM cable)100%
Accurate.
When going through a wood stud to install NM cable, you must leave at least ___" of wood between
the edge of the stud and the edge of the hole. If this distance cannot be maintained then metal
plates at least ____" thick shall be used to protect the cables. - ANSWERWhen going through a wood
stud to install NM cable, you must leave at least 1 1/4" of wood between the edge of the stud and
the edge of the hole. If this distance cannot be maintained then metal plates at least 1/16" thick shall
be used to protect the cables.
#____ and larger conductors require an insulating bushing where entering an enclosure through a
raceway. - ANSWER#4 and larger conductors require an insulating bushing where entering an
enclosure through a raceway.
What is the minimum cover requirement for a rigid metal conduit run under a street? - ANSWER24"
How deep must you bury a UF cable for 120v 20 amp branch circuit with GFCI protection if running
from the house to the garage? - ANSWER12"
Landscape lighting cables must generally be buried 6 inches deep but a lesser depth is allowed if
specified in the ___________ __________. - ANSWERLandscape lighting cables must generally be
buried 6 inches deep but a lesser depth is allowed if specified in the INSTALLATION INSTRUCTIONS.
How far from the edge of a stud must you keep NM cable running along its length? - ANSWER1 1/4"
How high up a pole must you protect cable coming from underground and running up that pole? -
ANSWER8'
, What must be done to a raceway where moisture may enter through it and contact live parts? -
ANSWERSeal it
Raceways going from a warm area to a cold area must be _______. - ANSWERRaceways going from a
warm area to a cold area must be SEALED.
Class 2 circuits may not be put in the same raceway with ________ conductors. - ANSWERClass 2
circuits may not be put in the same raceway with POWER conductors.
May computer cables be laid on top of ceiling tiles? - ANSWERno
Cables, boxes, and raceways must be kept _____" below the lowest part of corrugated metal roofing.
- ANSWERCables, boxes, and raceways must be kept 1 1/4" below the lowest part of corrugated
metal roofing.
Separate support wires may be installed in a suspended ceiling for the purpose of supporting
raceways and cables but they must be _______. - ANSWERSeparate support wires may be installed in
a suspended ceiling for the purpose of supporting raceways and cables but they must be
DISTINGUISHED FROM CEILING GRID WIRES.
Generally, where are boxes required? (4 places) - ANSWERPull, splice, switch, outlet points
If all the conductors in a raceway are the same size and the same insulation type, Note #1 that goes
with table 1 tells us to use _______ __. - ANSWERIf all the conductors in a raceway are the same size
and the same insulation type, Note #1 that goes with table 1 tells us to use ANNEX C.
If sizing a raceway that has all the conductors the same size and the same insulation and you are
going to be using Rigid Metal Conduit, you would use Subtable C.9 - ANSWER
Conductors may not be run in parallel unless they are at least ______. - ANSWERConductors may not
be run in parallel unless they are at least 1/0.
When installing raceways on rooftops exposed to direct sunlight you must add 60 degrees F onto the
ambient for derating unless you keep it at least ___" above the rooftop. - ANSWERWhen installing
Article 300(Wiring Methods and
Materials), 300.17(Conductors in a
Raceway), 310(Conductors for General
Wiring), 314(Outlet, Device, Pull, and
Junction Boxes) 334(NM cable)100%
Accurate.
When going through a wood stud to install NM cable, you must leave at least ___" of wood between
the edge of the stud and the edge of the hole. If this distance cannot be maintained then metal
plates at least ____" thick shall be used to protect the cables. - ANSWERWhen going through a wood
stud to install NM cable, you must leave at least 1 1/4" of wood between the edge of the stud and
the edge of the hole. If this distance cannot be maintained then metal plates at least 1/16" thick shall
be used to protect the cables.
#____ and larger conductors require an insulating bushing where entering an enclosure through a
raceway. - ANSWER#4 and larger conductors require an insulating bushing where entering an
enclosure through a raceway.
What is the minimum cover requirement for a rigid metal conduit run under a street? - ANSWER24"
How deep must you bury a UF cable for 120v 20 amp branch circuit with GFCI protection if running
from the house to the garage? - ANSWER12"
Landscape lighting cables must generally be buried 6 inches deep but a lesser depth is allowed if
specified in the ___________ __________. - ANSWERLandscape lighting cables must generally be
buried 6 inches deep but a lesser depth is allowed if specified in the INSTALLATION INSTRUCTIONS.
How far from the edge of a stud must you keep NM cable running along its length? - ANSWER1 1/4"
How high up a pole must you protect cable coming from underground and running up that pole? -
ANSWER8'
, What must be done to a raceway where moisture may enter through it and contact live parts? -
ANSWERSeal it
Raceways going from a warm area to a cold area must be _______. - ANSWERRaceways going from a
warm area to a cold area must be SEALED.
Class 2 circuits may not be put in the same raceway with ________ conductors. - ANSWERClass 2
circuits may not be put in the same raceway with POWER conductors.
May computer cables be laid on top of ceiling tiles? - ANSWERno
Cables, boxes, and raceways must be kept _____" below the lowest part of corrugated metal roofing.
- ANSWERCables, boxes, and raceways must be kept 1 1/4" below the lowest part of corrugated
metal roofing.
Separate support wires may be installed in a suspended ceiling for the purpose of supporting
raceways and cables but they must be _______. - ANSWERSeparate support wires may be installed in
a suspended ceiling for the purpose of supporting raceways and cables but they must be
DISTINGUISHED FROM CEILING GRID WIRES.
Generally, where are boxes required? (4 places) - ANSWERPull, splice, switch, outlet points
If all the conductors in a raceway are the same size and the same insulation type, Note #1 that goes
with table 1 tells us to use _______ __. - ANSWERIf all the conductors in a raceway are the same size
and the same insulation type, Note #1 that goes with table 1 tells us to use ANNEX C.
If sizing a raceway that has all the conductors the same size and the same insulation and you are
going to be using Rigid Metal Conduit, you would use Subtable C.9 - ANSWER
Conductors may not be run in parallel unless they are at least ______. - ANSWERConductors may not
be run in parallel unless they are at least 1/0.
When installing raceways on rooftops exposed to direct sunlight you must add 60 degrees F onto the
ambient for derating unless you keep it at least ___" above the rooftop. - ANSWERWhen installing
