Comprehensive Review For Master
Electrician Examinations And
Answers.
branch circuit - ANS>>That portion of a wiring system extending beyond the final
overcurrent device is called the:
Calculated load - ANS>>The final sum of the computed loads, based on the minimum
code requirements, is the
Resistance - ANS>>As compared to #10, a #8 wire of the same Iength has less:
0.001 inch - ANS>>One circular mil is the area of a circle whose diameter is:
1,000,000 cm - ANS>>A round bus-bar one inch in diameter, has a circular mil area of:
four times as great - ANS>>A copper wire with twice the diameter of another wire has a
current carrying capacity:
10.4 - ANS>>The specific resistance of copper wire @ 20° C in ohms per circular mil ft.
is
permit current to flow - ANS>>Conductance of an electric circuit is that property that will:
1O ohms - ANS>>The equivalent value of 0.1 mho is
directly proportional to its length - ANS>>The resistance of copper wire is:
Feeder - ANS>>The portion of a wiring system between a point of distribution and the
branch circuit overcurrent device is
locking - ANS>>GFCI protection at a carnival is not required for equipment at circuit if
the receptacle is of the ____________type
not less than 1 1/4 in. from - ANS>>Where cables or nonmetallic raceways are installed
through bored.holes in joists, rafters, or wood members;holes shall be bored so that the
edge of the hole is the nearest edge -of the wood member.
located on a balcony accessible only to qualified persons
located in a room only accessible to
qualified persons
, elevated 8 ft or more above floor or other working surface - ANS>>To guard live parts
over 50V but less than 600V, equipment is permitted to be
12Ft - ANS>>Overhead feeder conductors shall have a minimum __________ vertical
clearance over residential property and driveways, as well as those commercial areas
not subject to truck traffic, where the voltage is limited to 300 volts-to-ground.
36 inches - ANS>>Where rear access is required to work on de-energized parts on the
back of enclosed equipment, a minimum working space of horizontally shall be
provided.
50' - ANS>>What is the maximum run length of a 18AWG fixture wire that is tapped on
to a 20 amp branch circuit?
power supply failure - ANS>>When the service disconnecting means is a power-
operated switch or circuit breaker, it shall be able to be opened by hand in the event of
a
2 in of concrete - ANS>>Conductors are considered outside a buildings when they are
buried under not less than
8 - ANS>>In straight pull, the length of the box shall not be less than. ____times the
trade size of the largest raceway.
18" - ANS>>At least one receptacle outlet shall be installed within of the top of a show
window for each 12 linear feet measured horizontally across its length
1000A - ANS>>Ground-fault protection of equipment shall be provided fro solidly
grounded wye electrical services of more than 150 volts-to-ground, but not exceeding
600V phase-to..phase for each service disconnecting means rated
18" - ANS>>Receptacle outlets in floors shall not be counted as part of the required
number of receptacle outlets unless located within ______ of the wall
50V - ANS>>Exposed live parts of motors and controllers operating at or more between
terminals shall be guarded against accidental contact by enclosure or by location
5' - ANS>>Lighting track shall not be installed less than______ above the finished floor
except' where protected from physical damage or where the track operates at less than
30 V rms, open-circuit voltage
4 - ANS>>Each general care area patient bed location shall be provided with a
minimum of_______receptacles, which can be single, duplex, or a combination with
each duplex counting as two receptacles
Combination Range hood/ Microwave
Electrician Examinations And
Answers.
branch circuit - ANS>>That portion of a wiring system extending beyond the final
overcurrent device is called the:
Calculated load - ANS>>The final sum of the computed loads, based on the minimum
code requirements, is the
Resistance - ANS>>As compared to #10, a #8 wire of the same Iength has less:
0.001 inch - ANS>>One circular mil is the area of a circle whose diameter is:
1,000,000 cm - ANS>>A round bus-bar one inch in diameter, has a circular mil area of:
four times as great - ANS>>A copper wire with twice the diameter of another wire has a
current carrying capacity:
10.4 - ANS>>The specific resistance of copper wire @ 20° C in ohms per circular mil ft.
is
permit current to flow - ANS>>Conductance of an electric circuit is that property that will:
1O ohms - ANS>>The equivalent value of 0.1 mho is
directly proportional to its length - ANS>>The resistance of copper wire is:
Feeder - ANS>>The portion of a wiring system between a point of distribution and the
branch circuit overcurrent device is
locking - ANS>>GFCI protection at a carnival is not required for equipment at circuit if
the receptacle is of the ____________type
not less than 1 1/4 in. from - ANS>>Where cables or nonmetallic raceways are installed
through bored.holes in joists, rafters, or wood members;holes shall be bored so that the
edge of the hole is the nearest edge -of the wood member.
located on a balcony accessible only to qualified persons
located in a room only accessible to
qualified persons
, elevated 8 ft or more above floor or other working surface - ANS>>To guard live parts
over 50V but less than 600V, equipment is permitted to be
12Ft - ANS>>Overhead feeder conductors shall have a minimum __________ vertical
clearance over residential property and driveways, as well as those commercial areas
not subject to truck traffic, where the voltage is limited to 300 volts-to-ground.
36 inches - ANS>>Where rear access is required to work on de-energized parts on the
back of enclosed equipment, a minimum working space of horizontally shall be
provided.
50' - ANS>>What is the maximum run length of a 18AWG fixture wire that is tapped on
to a 20 amp branch circuit?
power supply failure - ANS>>When the service disconnecting means is a power-
operated switch or circuit breaker, it shall be able to be opened by hand in the event of
a
2 in of concrete - ANS>>Conductors are considered outside a buildings when they are
buried under not less than
8 - ANS>>In straight pull, the length of the box shall not be less than. ____times the
trade size of the largest raceway.
18" - ANS>>At least one receptacle outlet shall be installed within of the top of a show
window for each 12 linear feet measured horizontally across its length
1000A - ANS>>Ground-fault protection of equipment shall be provided fro solidly
grounded wye electrical services of more than 150 volts-to-ground, but not exceeding
600V phase-to..phase for each service disconnecting means rated
18" - ANS>>Receptacle outlets in floors shall not be counted as part of the required
number of receptacle outlets unless located within ______ of the wall
50V - ANS>>Exposed live parts of motors and controllers operating at or more between
terminals shall be guarded against accidental contact by enclosure or by location
5' - ANS>>Lighting track shall not be installed less than______ above the finished floor
except' where protected from physical damage or where the track operates at less than
30 V rms, open-circuit voltage
4 - ANS>>Each general care area patient bed location shall be provided with a
minimum of_______receptacles, which can be single, duplex, or a combination with
each duplex counting as two receptacles
Combination Range hood/ Microwave
