Master Electrician License
And equal potential plane in an agricultural building shall be connected to the electrical grounding system with a copper insulated covered or bare conductor and Not small then
# 8
How many receptacles are required within the perimeter of a balcony, deck, porch with an unusable are of less than 20 SQ feet
1
Ground-fault protection of equipment shall be provided fro solidly grounded wye electrical services of more than 150 volts-to-ground, but no exceeding 600V phase-to-phase for each service disconnecting means rated ________
1,000 A
Open conductors which are not service entrance cable's shall not be installed less then which of the following
10 feet above grade level
Cables with entirely nonmetallic sheaths (Romex) shall be permitted to enter the top of the surface mounted enclosure for one or more non-flex race no less than
18"
a 120 volt 15-20 amp receptacle shall be located with in of air conditioning and refrigeration, heating systems
25 feet
access openings in a manhole shall be not less than
26"
The maximum total voltage droop on a branch circuit is
3%
the work space in front of electrical equipment shall not be less than wide . or the width of the equipment which ever is greater
30"
AC or DC general use snap switches maybe use for control of inductive loads not exceeding blank percent of the amperage rating of the switch at the applied voltage
50 %
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
50 feet
The demand factor for marine load calculations of 45 shore power receptacles is blank percent
50%
dwelling units circuits running through another dwelling units in common areas. what percentage of change will require it to be brought up to current code
50%
What is the maximum run length of an 18 AWG fixture wire that is tapped onto s 20 amp branch circuit?
50'
Exposed live parts of motors and controllers operating at _______ or more between terminals shall be guarded against accidental contact by enclosure or by location
50V
an insulated grounded conductor of or smaller shall be identified by a continuous white or gray outer finish, or by three continuous white stripes on other than green insulation along its entire length
6
Where angles or u pulls are made the distance between each raceway entry inside the box and the opposite wall of the box shall be not less than blank times the trade size of the largest raceway in a row
6 times
boxes installed in carnivals shall be designed so that no live parts are exposed to accidental contact. where installed outdoors the box shall be a weatherproof construction and mountains so that the bottom of the box is not less than blank above the ground
6"
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.
6' 6''
Where two or more branch circuits supply devices or equipment on the same yoke a-means to disconnect simultaneous all ungrounded conductors that supply those devices or equipment shall be provided
At the point where the branch circuit originates
All 15 to 20 amp 125 all receptacles of commercial occupancy shall have a GFCI protection in
Bathrooms rooftops in kitchen
In a dwelling unit outdoor receptacles can be connected to one of the 20 amp small appliance branch circuit
False
GFCI protection shall be provided for all 15 and 20 amp 125 V. In dwelling unit kitchens
For all receptacles
GFCI Protection shall be provided for all 15 and 20 amp 120 V receptacles installed in dwelling units
Garages
Which of the following shall not be connected to the life safety branch in the hospital
General lighting
GFCI protection shall be provided for 15 and 20 amp receptacles in dwelling units associate buildings that have a floors located at or below grade level not intended as. And limit to storage areas work areas or similar use
Habitable rooms
The blank shall conduct or witness any acceptance test of the complete emergency system upon installation and periodically afterwards
Licensed professional
In dwelling units the bolded between conduct this supply the terminals of flank turn on exceed 120 V noble
Luminaries motors cord and plug
The ungrounded and grounding conductors of each blank shall be grouped by wire ties or similar mean in at least one location with in the panel board or other points of orientation
Multiwire branch circuit
the conductors use to connect the surge protection device to the line or bus and to ground shall be any shall not be any longer than blank and shall avoid unnecessary bends
Necessary
GFCI protection shall be provided for all 15 and 20 amp 125 V receptacle located within 6 feet of the dwelling unit
Sinks
Multiwire branch circuits Shall
Supply only line to neutral
A door used by personnel to exit the workspace that is less than 25 feet from the workspace shall
Swing outward with simple pressure
All 15 and 20 amp 125 v receptacles installed in craw spaces at or below grade level in dwelling the shall have GFCI protection
True
All 15 or 20 amp 120 V branch circuit that supply outlet in dwelling units family room dining room living room parlors libraries Dens bedrooms sunrooms recreation room parlors halls or simular rooms or areas shall be arc fault protected by arc fault circuit interrupters Loftus the combo type
True
An individual 20 amp branch circuit can supply a single dwelling units bathroom outlets and other equipment within the Bathroom
True
Ground fault circuit interrupt her's protection Shelby provided for all atlas not exceed 240 V at supply boat voice installed in dwelling unit locations
True
I where branch circuit supplies continues loads or any combination of continuous and noncontinuous load the rating of the overcurrent device shall not be less than125%of the continuous load.
True
The number of receptacle outlets for guest rooms in hotels and motels shall not be less than that require for a dwelling units.these receptacles can't be located to be convenient for permit furniture layout. but at least blank receptacle outlet shall be readily accessible
Two
Type blank fuse adapters shall be designed so that once inserted in a fuse holder they cannot be removed
Type s
All 15 and 20 amp 125 or volt receptacles installed in blank of dwelling units shall have GFCI protection
Unfinished basement
the authority having jurisdiction has the responsibility
for making interpretations of rules
how many receptacles are required within the perimeter of the balcony, deck or porch with the useable . area of 20 sq ft
one
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
orange
When the service disconnecting means power-operated switch or circuit breaker, it shall be able to be opened by hand in the event of a _____
power supply failure
in the NEC the words . indicate a mandatory requirement
shall not or shall be permitted
which of the following are not permitted for the protection of equipment in electrical vault
stud walls covered with wallboard having a 3 hour rating
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
100 pounds
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
12 feet
for phase converter is serving variable loads the amps of the single phase supply conductor shall not be less than blank percent of the single phase in put full load amps listed on the phase converter name plate
125%
20 amp Branch circuit supplies multiple receptacles the receptacles shall have a ampere rating no less than
15 amps
When connected to a branch circuit supplying two or more 15 amp receptacles each receptacle shall not supply a total cord and plug connection load in excess of
15 amps
At least one receptacle outlet shall be installed within_____ of the top of a show window each 12 linear feet measured horizontally across its length
18
Indoor Electrical vehicle charging sites less specified listed for the purpose of and location the couping means of the electrical vehicle supply equipment shall be stored located at the height of not less than blank and no more than 4 feet
18"
Receptacle outlets in floors shall not be counted as part of the required number of receptacle outlets unless located within _______ of the wall
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
18"
receptacles outlets in floors shall not be counted as part of the required number of receptacles outlets unless located within of the wall
18''
Conductors are considered outside buildings when they are buried under not less than__________
2 inches
There shall be a minimal of one blank branch circuit for the laundry outlet required by
20 amp
Two or more . Small appliance branch circuits shall be provided to supply power outlets in dwelling units kitchen dining room breakfast room or similar dining areas
20 amp
there shall be a minimum of one branch circuit for laundry outlet
20 amp
two or more small appliance branch circuits shall be provided to supply power for receptacle outlets in the dwelling unit kitchen, dining room, breakfast room, or similar dining areas
20 amp
Panelboards equipped with snap switches rated at 30 A or less shall have over current protection not exceeding
200 amps
Service conductors installed as Unjacketed multi conductor cable's shall have a mineral clearance of blanks from windows that are designed to open doors porches stairs fire escapes or similar locations
3 '
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
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
36 inches
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
4 feet
Auxiliary gutters shall be supported throughout their entire length at intervals not exceeding Feet if of sheet metal type
5 feet
Mobile aircraft battery chargers must carry a sign to keep at least blank feet away from aircraft
5'
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)?
5843 VA
outlets may be installed in a dwelling unit for specific appliance such as laundry equipment. the maximum distance between this outlet and appliance
6 feet
the floors of vaults in contact with the earth shall be of concrete that is not less then
6 inches thick
What is the feeder or service calculation load for water disposal 940 VA dishwasher 1250 VA and a water heater 4500 VA
6690 va
receptacles outlets installed for a appliance in a dwelling unit, such as a laundry equipment shall be located within of the intended location of the appliance
6ft
For equipment rated 1200 Amps or more and over 6ft 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 24in. wide and ______ high at each end of the working spaced
6ft 6 in
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
6inches
In straight pull, the length of the box shall not be less than ________ times the trade size of the largest raceway
8
Manhole openings for personnel shall be located where they are not directly above electrical equipment or conductors in the enclosure where this is not practical
A protective barrier or a laddershall be provided
A separate blank shall supply the elevator shaft way pit lighting and receptacles require a lighting and or sump pump shall not be connected to the load side of a ground fault circuit interrupt her
Branch circuit
The reading of a branch circuit shall be determined by the rating of the
Branch circuit over current devices
Equipment installed in hazardous locations shall be marked to show the
Class , temp , group
All 15 and 20 amp 120 Installed the bathroom of. Shall have GFCI protection
Dwelling units hotels office buildings
New York City Department of buildings approved manufacturing wiring methods shall be used only for
Lighting circuits above and accessible hung ceiling or where no finished ceiling exists
The receptacle installed and individual branch circuit shell have an impasse a reading no less than that of the branch circuit
True
Each multiwire branch circuit shall be provided with a means that will simultaneously disconnect all blank conducted at the point where the branch circuit originates
Ungrounded
More than one normal volt system existing in a building each conductors Shall be identify by phase and system at all terminations connection
Ungrounded
A three phase 4 wire blank power system used to supply power to nonlinear loads may cause the power system design allows for the possibility of high harmonic current on the neutral conductor
Wye connected
manhole openings for personnel shall be located where they are not directly above electrical equipment or conductors in the enclosure. where this is not practicable
a protective barrier or a fixed ladder shall be provided
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
air conditioner
To guard live parts over 50V but less than 600V, equipment is permitted to be ______
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
GFCI protection at a carnival is not required for equipment at a circuit if the receptacle is of the_______ type
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
not less than 1 1/4in from
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
physical damage
According to the NEC bere live parts are guarded from the public in the following methods except
protected by fireproof curtain
according to the NEC bare live parts are guarded from the public in the following methods except
protected by fireproof curtain
when the code uses the words it means the identified actions are allowed but not required, and may be optional
shall be permitted
a door used by personnel to exit the work space that is less than 25 feet from the work space shall
swing outward with simple ease
the number of receptacles outlets for guest rooms in hotels and motels shall not be less than that required for a dwelling unit. these receptacles can be located to be convenient for permanent furniture layout but at least receptacles outlets shall be readily accessible.
two
when leads are supplied with lampholders with lamp holders the conductor attached to the screw shell shall have a finish
white or gray
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
white with a color stripe other than green
