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NYC MASTER ELECTRICIAN EXAM 2026/
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Lighting system covered by Article 411 shall have a power supply rated not more than ——amps and not more than 30V. 25 amps The demand factor for marina load calculations of 45 shore power receptacles is ____%. 50% Which flexible cable is allowed to be used for a Electric Vehicle Charging Station? EVJ Communication circuits shall have a minimum grounding conductors of ____AWG. #12 AWG Lighting system operating at 30V or less shall not be installed within ____ feet of pools, spas, fountains, or similar locations. 10'ft The working space in front of the electric equipment shall not be less than ____ inches wide, or the width of the equipment, whichever is greater. 30" inches The minimum clearance for overhead feeder conductors not exceeding 600V that pass over commercial areas subject to truck traffic is ____ feet.
18" feet A limited care facility is an area used on a ____hour basis for the housing of four or more persons who are incapable of self-preservation because of age, physical limitation due to accident or illness, or mental limitations, mental illness, or chemical dependency. 24hr For equipment rated 1200A or more and over 6ft wide that contains over-current devices, switching devices, or control devices, there shall be one entrance to and egress from the required working space not less than 24inches. Wide and ____ nches high at each end of the working space. 6'foot 6"inches (78" inches) Rigid metal conduit that is directly buried outdoors shall have at least ____inches of cover. 6" inches In a health care facility, receptacles and attachment plugs in a hazardous (classified) location within an anesthetizing are shall be listed for use in Class 1, GroupC. Infrared Lamps for commercial and industrial heating appliances shall have over-current protection not exceeding ____ Amps. 50Amps Panel boards equipped with snap switches rated at ____ or less shall have over-current protection not exceeding 200A. 30Amps For cord and plug connected electric vehicle supply equipment is used, the interrupting devices of a listed personnel protection system shall be provided and shall be located in the power supply cable not more than ____inches from the attachment plug. 12" inches
What is the feeder or service calculated load for a waste disposal (940VA),dishwasher (1250VA), a trash compactor (1100VA), and a water heater (4500VA)? 5843VA Exposed live parts of motors and controller operating at ____ Volts or more between terminals shall be guarded against accidental contact by enclosure or by location. 50Volts The authority having jurisdiction has the responsibility for making interpretations of rules, for deciding upon the approval of equipment and materials, for waiving specific requirements in the code permitting alternate methods and materiel if safety is maintained. Outdoor electrical vehicle charging sites, unless specifically listed for the purpose and location, the coupling means of the electric vehicle supply equipment shall be stored or located at a height of not less than ____ inches and not more than ____ft. 24"inches and not more than 4'feet In NEC, the words "____, ____ ____ indicate a mandatory requirement. "Shall, Shall Not" When the code uses the words "____ be____" it means the identified actions are allowed but not required, and they may be options or alternative methods. "Shall be Permitted" For switchboard that are not totally enclosed, in a space of ____"inches or more shall be provided between the top of the switchboard and any combustible ceiling. 36"inches (3ft) Overhead feeder conductors shall have a minimum ____feet vertical clearance over residential property and driveways, as well as those commercial areas not subject to truck traffic, where the voltage is limited to 300V to-ground. 12'feet
Class 2 and Class 3 circuits shall not be placed in any enclosure, raceway, cable, or similar fittings with conductors of Class 1 or electric light or power conductors, unless ____ ____ ____. Separated by barrier The feeder conductor ampacity shall not be less than that of the service-entrance conductors with an ampacity of ____Amps or less 50Amps or less Where cables or nonmetallic raceways are installed through bored holes in joist, rafters, or wood members, holes shall be bored so that the edge of the hole is not less than ____ from the nearest edge of the wood member. 1 and 1/4"inch Equipment installed in hazardous (classified) locations shall be marked to show the Class, group, temperature class (T Code) or operating temperature at a 40C or 104F ambient temperature. Which of the following statements best describes the grounding requirements for central vacuum outlet assemblies? Accessible non current carrying metal parts required to be connected to an equipment grounding conductor. Where installed to reduce electrical noise for electronic equipment, electrical continuity of the metal raceway shall not be required and the metal raceway can terminate to a listed non metallic fitting or spacer on the electronic equipment. An insulated grounded conductor of #6AWG or smaller shall be identified by a continuous white or gray outer finish, or by three continuous white stripe on other than green insulated along its entire length The required working space for access to live parts operating at 300V to ground, where there are exposed live parts on one side and grounded parts on the side is 3 1/2'ft Open conductors installed outside shall be separated from open conductors of other circuits or systems by not less than ____inches.
Outlets may be installed in a dwelling unit for specific appliance such as laundry equipment. What is the maximum distance allowed between this outlet and the appliance? 6ft The connection of the system bonding jumper for a separate derived system shall be made at any single point on the separately derived system from the source to the first system disconnecting means or over-current device. The authority having jurisdiction, shall conduct or witness an acceptance test of the complete emergency system upon installation and periodically afterward. For a portable motor rated at 1/3hp or less, the controller shall be permitted to be an attachment plug and receptacle. A separation of at least ____ft shall be maintained between communication wires and cables on buildings and lighting conductors, where practicable. 6'ft Type ____ is a multiconductor cable identified for use as underground service-entrance cable. USE Fixed in place X-ray equipment properly supplied by a branch circuit rated at not over ____Amps shall be permitted to be supplied through a suitable attachment plug cap and hard service cable or cord. 30Amps When 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 —— —— ——. power supply failure. Open wiring on insulator is a ____ wiring method using cleats, knobs, and flexible tubing for protection and support of single insulated conductors run in or on buildings. Permanent
Inverse time is a term indicated that is an intentional delay in the tripping action of the circuit breaker, which decreases as the magnitude of the current increases. An insulated grounded conductor of 6AWG 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. Equipment associated with the electrical installation can be located above or below other electrical equipment within their working space when the associated equipment does not extend more than 6'inches from the front of the electrical equipment. How many receptacle are required within the perimeter of a balcony, deck or porch with a usable area of less than 20 SQ.ft. One The minimum headroom of working spaces about motor control center is 6 1/2ft. At least one entrance to enclosures for electrical installations shall not be less than 30 inches wide and 6ft high shall be provided to give access to the working space around the electrical equipment over 600V nominal. What is the minimum height for a vertical overhead clearance for a service drop conductors over residential property and driveways with garage, not subject to truck traffic where the voltage does not exceed 300V. 12"ft Open conductors installed outside shall be separated from open conductors of other circuits or systems by not less than 36"inches. What is the minimum thickness of a transformer vault floor made up with bricks or cement filled blocks? 6"inch (brick),8"inch(concrete) Underground service conductors that are not encased in concrete and that are buried 30"inches or more below grade, shall have their location identified by a warning ribbon that is placed in the trench at least 12"INCHES above the underground installation for 40KV
What is the total resistance of a circuit consisting of two, 8MFD capacitors connected in series at 60HZ? 663 ohms What is the weight in lbs., of. Manhole cover that is used to keep out unqualified persons from accessible to opening the manhole? Over 100lbs Where communication wires and cables and electric light or power conductors are supported by the same pole and are run paralleled to each other in span, the supply service drops of 0-750V running above and parallel to communications service drops shall have a minimum separation of 12"inches at any point in the span, including the point of and at their attachment to the building, provided the nongrounded conductors are insulted and that a clearance of not less than 40"inches is maintained between the two services at the pole. Communication wires and cables shall have a vertical clearance of not less than 8'ft from all points of roof above which they pass. MV (multi voltage) cable rated can not be installed in : Cable tray When three resistors are connected in series, an amperage of ten amp is achieved. When an equal resistor is connected in parallel with the existing three resistors the ampere reading will? How many switches will be needed to control a light fixture from five different locations? 2 - 3 ways and 3-4 ways The grounding of communication wires should be run to the grounding electrode: in a straight line Service lateral conductors that supply power to limited loads of a single branch circuit such as a small polyphase power, controlled water heater, and similar loads shall not be smaller than 8AWG copper. Each general care area patient bed location shall be provided with a minimum of 4 receptacles which can be single, duplex, or a combination of both. Dry type transformer installed indoors rated over 35KV shall be installed in a vault.
Flat top underfloor raceways over 4 inches, but less 8 inches wide, with a minimum 1 inch spacing between raceway, shall be covered with concrete to a depth of not less than 1 inch. Raceway spaced less than 1 inch apart shall be covered with a concrete to a depth of 1 1/2"inches. For straight pulls, the length of a pull box shall not be less than 8 times the outside diameter, over the sheath, of the largest shielded or lead covered conductors or cable entering the box on system over 600V For switchboard that are not totally enclosed, a space of 36"inches or more shall be provided between the top of the switchboard and any combustible ceiling. A disconnecting means that serves a hermetic refrigerant motor compressor shall have an ampere rating of at least 115% of the nameplate rated load current to branch circuit selection current, whichever is greater. Knife switches rated for more than 1200A at 250V or less, and at over 600A at 251 to 600V, shall be used only as: Shall not be opened under load , Isolating Switch. Class 2 and class 3 cables listed as suitable for general purpose use with the exception of riser, ducts, plenums, and other spaces used for environmental air, shall be Type CL2 and CL3. Branch circuit conductors with in 3"inches of a ballast shall have an insulation temperature rating not lower than 90C degree or 194F degree Communication circuits shall have a minimum grounding conductor of 12AWG. When mounting light fixture supported by EMT over a hot tub protected by GFCI must have a height of. Not allowed in NYC. How many #10 conductors can be legally installed in a 4"inch square box, 2"1/8 deep? 12 When installing receptacles around the pool they should be set back from the inside wall of not less than 6'ft.
What is the maximum length of flexible metal conduit allowed in duct or plenum used for environmental air that is physically connected to equipment and permitted to be used in ducts or plenum chambers? 4'ft When are lights permitted to be installed in ducts or plenums used for environmental air: Enclosed gasket type Electric vehicle equipment locations, when the site is indoors, the coupling means of the electric vehicle supply equipment shall be stored or located at a height of not less than 18'inches and not more than 4'ft above the floor level. Electric vehicle supply equipment locations, when the site is outdoors, the coupling means of the electric vehicle supply equipment shall be stored or located at a height of not less than 24"inches and not more than 4'ft above the parking surface. What is the minimum distance a wall mounted luminaries that can be mounted below the surface of water in a pool? 4"inches The Value in M ohms of a resistor required to discharge a 30 Mfd capacitor to safe levels, in the time required by the NYC electrical Code, that has been energized to 650V is most nearly? 10 What diameter of a # 14AWG wire is most nearly? .064"inches What is the short circuit capacity of a 72 KVA transformer with a 240V secondary and an impedance of 3%? 10,000A What is the output KW 5000 KVA of a transformer feeding a load that has a Power Factor Of 80% is: 4000KW A 100HP DC motor at 220V with 90% efficiency requires a fuse size of? 600A What is the minimum number of duplex receptacles required for each patient bed in the critical care area of a hospital? 3 Service switches may be installed on the outside of a building only if: The building has only 4 dwelling units or less
The internal bonding bus of a multisection switchboard shall have a cross section area of at least: 1/2 sq inch. What is the interrupting capacity of a class H fuse? 10,000 fuse What is not part of the classification of an incandescent lamp? The size of the bulb An electrician buys 100 units of armored cable connectors. He purchased them at the price of $2.10 each. He then sells them at cost of $3.00 per unit. Assuming his overhead is 30%, what is his profit.? $27. How many 20A branch circuits are required for 80 linear feet of show window lighting space? 9 circuits An electrician assigns men to install outlets in a room. It took 2.6 hours to install outlets in each room. At the end of 5 days, how many rooms are completed? Assume the men work 8hrs a day? 15 Mandatory rules of the code are those that identify actions that a specifically required or prohibited and are characterized by the use of terms: Shall or Shall not Which is not considered a power supply? Capacitor A 15A or 20A 125V receptacle outlet shall be located within 25 feet of heating, air conditioning, and refrigeration equipment for : dwelling, commercial, industrial, occupancies. For other than dwelling occupancies, banks, or office buildings, each receptacle outlet shall be calculated at not less than 180VA. The minimum feeder load for show window lighting is 200V per linear foot. On a 4 wire, delta connected, the phase system, where the midpoint of one phase winding is grounded, the conductor with the higher phase voltage to ground must be durably and permanently marked be an outer finish orange in color, or other effective means.
Each health care area patient bed location in a health care facility must be provided with ______ receptacles Four single or two duplex In the critical care areas of health care centers, each patient bed shall be provided with a minimum of ________duplex receptacles Three The feeder conductor ampacity shall not be less than that of the service-entrance conductors where the feeder conductor carry the total load supplied by conductors with an ampacity of __________ or less 55 amps For other than dwelling occupancies, banks or office buildings, each receptacle outlet shall be calculated at no less than ________ VA 180 How many receptacle outlets are permitted on a 20amp, 120volt circuit in a commercial building? 13 For show window lighting, a load of not less than 660VA linear meter or ————- VA linear foot shall be included for show window measured horizontally along its base. 200 Open conductors belonging to separate circuits must be separated by? Per NEC 225.14, separated by 4in. What is the feeder or service calculated load for a , waste disposal (940VA) dishwasher (1250VA) trash compactor (1100VA) and a water heater (4500VA)? 940+ 1250+ 1100+ 4500= 7790/.75= 5843VA
A load demand factor of 75% is permitted for ________ or more appliances fasten in place such as waste disposal, dishwasher, thrash compactor, water heater, ETC Four 220. 53 What is the feeder or service calculated or service calculated load for a waste disposal (940VA) Dishwasher (1250VA) and a Warner heater (4500 VA) 940+ 1250 + 4500= 6690VA Open conductors shall be _________ on glass or porcelain knobs, racks, brackets, or stain insulators Supported Open conductors installed outside shall be separated from open conductors of other circuits or systems by not less than ______ 4 inches Overhead feeder conductors shall have a minimum ____feet vertical clearance over residential property and driveways, as well as those commercial areas not subject to truck traffic, where the voltage is limited to 300V to-ground. 12feet The minimum clearance for overhead feeder conductors not exceeding 600V that pass over commercial areas subject to truck traffic is: 18 feet Conductors are considered outside a building when they are buried under not less than
2 inches of concrete
Inverse time 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 AWG Equipment associated with the electrical installation can be located above or below other electrical equipment within their working space when the associated equipment does not extend more than_________ from the front of the electrical equipment. 6 inches How many receptacles are required within the perimeter of a balcony, deck or porch with a unusable area of less than 20 SQ FT 1 The minimum headroom of working space about motor control centers is : 6 1/2 feet At least one entrance to enclosures for electrical installation shall not be less than ___________ wide and _________ high shall be provided to give access to the working space around the electrical equipment over 600 Volts nominal 30 inches 6 1/2 feet What is the minimum thickness of a transformer vault floor made up with bricks or cement filled blocks. 8 inches A separation of at least ______ shall be maintained between communications wires and cables on buildings and lighting conductors where practicable. 8 feet
Knife switches rated for more than 1200 amps at 250v or Less _____________ can be used only as isolating switch, shall not be opened under load.
- Type 3 surge protective devices can be installed on the load side of a branch-circuit overcurrent device up to the equipment served. If _____________the Type 3 SPD connection must be a minimum 30 ft. of conductor distance from the service or separately derived system disconnect. included in the manufacturer's instructions When leads are supplied with lampholders the conductor attached to the screw shell shall have a finish. white or gray A 125-volt, single-phase, 15- or 20- ampere-rated receptacle outlet shall be installed at an accessible location for the servicing of heating, airconditioning, and refrigeration equipment. The receptacle shall be located on the same level and within of the heating, air-conditioning, and refrigeration equipment. The receptacle outlet shall not be connected to the load side of the equipment disconnecting means. 25 FT Outlets may be installed in a dwelling unit for specific appliance such laundry equipment. What is the maximum distance allowed between this outlet and the appliance? 6 ft
