If the cover for an underground pull box used for circuits over 600v is not locked, bolted, or screwed into place, then it must weigh equal to - ANSWER 100 pounds
The maximum total voltage droop on a branch circuit is - ANSWER 3%
the floors of vaults in contact with the earth shall be of conc...
If the cover for an underground pull box used for circuits over 600v is not locked, bolted, or screwed into
place, then it must weigh equal to - ANSWER 100 pounds
The maximum total voltage droop on a branch circuit is - ANSWER 3%
the floors of vaults in contact with the earth shall be of concrete that is not less then - ANSWER 6 inches
thick
according to the NEC bare live parts are guarded from the public in the following methods except -
ANSWER protected by fireproof curtain
equipment associated with the electrical installation can be located above or below other electrical
equipment within their working space when the associated equipment dose not extend more then -
ANSWER 6inches
when the code uses the words it means the identified actions are allowed but not required, and may be
optional - ANSWER shall be permitted
a 120 volt 15-20 amp receptacle shall be located with in of air conditioning and refrigeration, heating
systems - ANSWER 25 feet
in the NEC the words . indicate a mandatory requirement - ANSWER shall not or shall be permitted
as per New York city code in addition to the number of circuits required in a dwelling unit an individual
branch circuit shall be provided for each receptacle - ANSWER air conditioner
the dimensions of working space for access to live parts operating at 300 volts normally to ground where
exposed to live parts on both sides of the workspace is - ANSWER 4 feet
,when leads are supplied with lampholders with lamp holders the conductor attached to the screw shell
shall have a finish - ANSWER white or gray
how many receptacles are required within the perimeter of the balcony, deck or porch with the useable .
area of 20 sq ft - ANSWER one
where conductors of different systems are installed in the same raceway, one system shall have a neutral
having an outer covering of white or gray and each other system having a neutral shall have another
covering of - ANSWER white with a color stripe other than green
outlets may be installed in a dwelling unit for specific appliance such as laundry equipment. the
maximum distance between this outlet and appliance - ANSWER 6 feet
on a 4 wire delta system where the midpoint of one phase winding is grounded only the conductor shall
have a higher phase voltage to ground. the conductor shall be marked - ANSWER orange
where this code specifies that one equipment shall be ''in sight from'' ''within sight from'' or ''within
sight of'',and so forth, another equipment, the specified equipment is to be visible and not more than
distance from the other - ANSWER 50 feet
a door used by personnel to exit the work space that is less than 25 feet from the work space shall -
ANSWER swing outward with simple ease
the authority having jurisdiction has the responsibility - ANSWER for making interpretations of rules
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 - ANSWER 36 inches
for equipment rated at 1200 amps or more and over 6 feet wide that contains overcurrent devices,
switching devices, or control devices. there shall be one entrance to and egress from the required
working space not less than 24'' wide and high at each end of work space. - ANSWER 6' 6''
, receptacles outlets in floors shall not be counted as part of the required number of receptacles outlets
unless located within of the wall - ANSWER 18''
in locations where electrical equipment is likely to be exposed to enclosures or guards shall be so
arranged and of such strength as to prevent such damage - ANSWER physical damage
What is the feeder or service calculated load for a waste disposal (940 VA), dishwasher (1250VA), a trash
compactor (1100VA), and a waste heater (4500VA)? - ANSWER 5843 VA
GFCI protection at a carnival is not required for equipment at a circuit if the receptacle is of the_______
type - ANSWER locking
Where cables or nonmetallic raceways are installed through bored holes in joists, rafters, or wood
members, holes shall be board so that the edge of the hole is ________ the nearest edge of the wood
member - ANSWER not less than 1 1/4in from
To guard live parts over 50V but less than 600V, equipment is permitted to be ______ - ANSWER located
in a room only accessible to qualified persons, located on a balcony accessible only qualified persons,
and elevated 8ft or more above floor or other working surfaces
How many receptacles are required within the perimeter of a balcony, deck, porch with an unusable are
of less than 20 SQ feet - ANSWER 1
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 voltage is
limited to 300 volts- to- ground - ANSWER 12 feet
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 - ANSWER 36 inches
What is the maximum run length of an 18 AWG fixture wire that is tapped onto s 20 amp branch circuit?
- ANSWER 50'
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