branch circuit That portion of a wiring system extending beyond the final overcurrent device is
called the:
Calculated load The final sum of the computed loads, based on the minimum code requirements, is
the
Resistance As compared to #10, a #8 wire of the same Iength has less:
0.001 inch One circular mil is the area of a circle whose diameter is:
1,000,000 cm A round bus-bar one inch in diameter, has a circular mil area of:
four times as great A copper wire with twice the diameter of another wire has a current carrying
capacity:
10.4 The specific resistance of copper wire @ 20° C in ohms per circular mil ft. is
permit current to flow Conductance of an electric circuit is that property that will:
1O ohms The equivalent value of 0.1 mho is
directly proportional to its length The resistance of copper wire is:
Feeder The portion of a wiring system between a point of distribution and the branch circuit
overcurrent device is
locking 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 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 To guard live parts over 50V but less than 600V, equipment is permitted to be
located in a room only accessible to
qualified persons
elevated 8 ft or more above floor or other working surface
12Ft 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.
Grade A+ | Updated
, Master Electrician Exam Review
36 inches 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' What is the maximum run length of a 18AWG fixture wire that is tapped on to a 20
amp branch circuit?
power supply failure 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 Conductors are considered outside a buildings when they are buried under not less
than
8 In straight pull, the length of the box shall not be less than. ____times the trade size
of the largest raceway.
18" 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 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" Receptacle outlets in floors shall not be counted as part of the required
number of receptacle outlets unless located within ______ of the wall
50V 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' 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 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 In a Dwelling Unit which appliance is allowed to have a 24" cord with attachment
oven ground plug?
1 At least_____ 125 V, single phase, 15 A or 20 A, duplex with ground-fault circuit
interrupter receptacle shall be provided in each elevator machine room and elevator
machinery space.
25A Lighting systems covered by Article 411 shall have a power supply rated not more
than______and not more than 30V
90 Temporary electrical power and lighting installations shall be permitted for a period
not exceeding ____days for Christmas decorative lighting and similar purposes
Grade A+ | Updated