Newest | 2024/25 RATED A+
Conductors that supply a single motor used in a continuous duty application shall have
an ampacity of not less that what percentage of the motor full-load current rating? -
1.25
EMT shall not be: - Threaded
Plug fuses shall be permitted to be used in circuits supplied by a system having
grounded neutral point where the line-to-neutral voltage doe NOT exceed which of the
following? - 150 volts
How many amperes does s a 3-hp, 240-volt, 3-phase motor draw if the motor has
values of 90% efficiency and 95% power factor? - 6.3 amperes
Where metallic plugs or plated used with nonmetallic enclosures, how far shall they be
recessed form the outer surface of the enclosure - 1/4"
Disregarding exceptions, what is the minimum size copper-clad aluminum
underground service conductor permitted? - 6 AWG
Information technology equipment shall be permitted to be connected to a branch
circuit by a power-supply cord with a maximum length of how many feet? - 15'
Unlisted nonconductive outside plant optical fiber cables shall not be permitted to be
installed in which type of raceways? - Flexible metal conduit
Which part of a bulk storage plant is classified as Class 2, Zone 2? - Drainage
ditches, separators and impounding basins
If installed and routed on the outside of a raceway, the length of the equipment
bonding jumper shall not exceed how many feet? - 6'
A circuit breaker does not have an interrupter rating shown on it. What is the
interrupter rating of this circuit breaker? - 5,000 amperes
What is the minimum size of the aluminum equipment grounding conductor where the
overcurrent protection ahead of a branch circuit or feeder is sized at 600 amperes? -
36557
The combined cross sectional area of all conductors or cables shall not exceed what
percent of the cross sectional are of the cell or header? - 0.4
, Power distribution blocks installed in boxes shall be - Listed
For permanently connected appliances, the branch-circuit overcurrent device shall be
permitted to serve as the disconnecting means for appliances rated at not over - 300
volt-amperes or 1/8hp
A metal underground water pipe used as grounding electrode shall be in direct contact
with the earth for a minimum of how many feet? - 10'
What is the minimum rating for a standard lampholder that shall be used for circuits
and equipment operating at less than 50 volts? - 660 watts
What is the minimum branch-circuit rating for ranges of 8-3/4 kW or more? - 40
amperes
Receptacles in residential units shall be installed such that no point measured
horizontally along the floor line of any wall space is more than how far from a receptacle
outlet? - 6'
Overcurrent protection for feeders and branch circuits supplying electric vehicle supply
equipment shall be sized for continuous duty and shall have a rating of not less than
what percentage of the maximum load of the electric vehicle supply equipment? - 1.25
What clearance must be maintained when the overhead spans of open conductors or
open multi-conductor cables of not over 1,000 volts, nominal, pass over residential
property? - 12'
Multiple nonmotor generator arc welders are being served by a branch panel. There
are two 120-amperes welders with a 70% duty cycle, one 90-amperes welder with a
80% duty cycle - 450 amperes
Which type of service-entrance cable has a flame-resistant and moisture resistant
covering? - Type SE
Exit signs, when required, shall have a lettering that is a minimum of how many inches
high? - 6"
High impedance grounded neutral systems in which a grounding impedance limits the
ground fault current to a low value shall be permitted for which type of system? - 3-
phase AC systems of 480 to 1,000 volts
In which locations are the installations of flexible metal conduit permitted? -
concealed locations