NYC Master Electrician Licensing Exam V2 2026/2027 | NYC Department of Buildings | Verified Questions & Answers | 100% Correct Solutions

NYC Master Electrician Licensing Exam V2 2026/2027 | NYC Department of Buildings | Verified Questions & Answers | 100% Correct Solutions Q: The value of current, time, or both at which an adjustable circuit breaker is set to trip is known as? A) Inverse time B) Ampacity C) Automatic D) Setting D) Setting. Art. 100 Defintions Q: The cross-sectional area of three or more THW conductors in a conduit must not exceed what percent of the cross-sectional area of the conduit? A) 30% B) 40% C) 50% D) 60% B) 40 % Chapter 9 Table 1 Q: EMT must be supported within what distance from an outlet box, junction box, device box, cabinet, conduit body or other terminations? A) 3 feet B) 4 feet C) 5 feet D) 6 feet A) 3 feet Article 358.30 (A) Q: When a branch circuit feeds both noncontinuous and continuous loads, the circuit must be sized to accommodate 100% of the noncontinuous load plus what percent of the continuous load? A) 110% B) 115% C) 120 % D) 125% D) 125% Article. 210.20 (A) Q: What is the allowable Ampacity of a 600 MCM copper conductor type TW? A) 300 Amps B) 350 Amps C) 355 Amps D) 400 Amps B) 350 Amps Table- 310.16 Q: The name given to a system or circuit conductor that is intentionally grounded is? A) Grounding Conductor B) Bonding Conductor C) High-leg conductor D) Grounded or neutral conductor D) Grounded or Neutral Conductor Article 100 Definitions Q: The panels of switchboards must be made of? A) Moisture resistant, noncombustible material B) Raintight material C) Impact-resistant material D) Waterproof material A) Moisture-resistant, noncombustible material Article 408.50 Q: A metal pole supporting a light fixture shall have an accessible handhole not less than ________ inches? A) 2 X 6 inches B) 3 X 4 inches C) 2 X 4 inches D) 4 X 8 inches C) 2 X 4 inches Article 410.30 (B) (1) Q: The largest standard rating for fuses and inverse time circuit breakers is? A) 1000 amps B) 1600 amps C) 1200 amps D) 6000 amps D) 6000 amps Article 240.6 Q: A feeder tap less than 25 feet long does not require overcurrent protection at the tap if the Ampacity of the tap conductor is at least? A) 50% of the feeder conductor B) 40% of the feeder conductor C) 33 1/3% of the feeder conductor D) 20% of the feeder conductor C) 33 1/3 % of the feeder conductor Article 240.21 (B) (2) Q: The power factor of a system or circuit is? A) the ratio of true power to apparent power B) the ratio of impedance to reactance C) the relationship of volts and ohms D) none of the above A) The ratio of true power to apparent power Q: Which of the following systems and materials is not permitted to be used as a grounding electrode? A) metal underground gas piping B) zinc coated steel C) stainless steel D) copper pipe larger than the metric designator 21 A) metal underground gas piping Article 250.52 (B) Q: How must a branch circuit supplying a domestic hot water heater with a capacity of 120 gallons or less be sized? A) 100% of its nameplate rating B) 110% of its nameplate rating C) 125% of its nameplate rating D) 150% of its nameplate rating C) 125% of its nameplate rating Article 422.13 Q: The walls and roofs of transformer vaults shall be constructed of materials that have adequate structural strength for the conditions with a minimum fire-resistance rating of ______ hours? A) 2 B) 3 C) 4 D) 6 B) 3 Article 450.42 Q: Unit equipment for emergency systems shall be on the same circuit that serves the normal lighting in the area and connected ______ any local switches? A) with B) ahead of C) after D) downstream of B) ahead of Article 700.12 (B) Q: On a heavy starting duty wound rotor motor, the secondary resistor leads shall have current capacity of at least? A) 35% B) 45% C) 85% D) 110% B) 45% Article 430.23 Q: Based on a current density of 1000 amps per sq inch, a copper bus bar measuring 3/16" X 1 1/2" would carry a current of? A) 1000 amps B) 560 amps C) 320 amps D) 280 amps D) 280 amps CC= W X TH X 1000 3/16" X 1 1/2 " .187 X 1.5 X 1000= 280.5 Q: The maximum number of #10 current carrying conductors in a 1 1/4 inch EMT, for general use is? A) 32 B) 28 C) 25 D) 35 B) 28 Annex C table 1 Q: Dry type transformers installed outdoors must have a? A) Raintight enclosure B) Weatherproof enclosure C) Waterproof enclosure D) Liquidtight enclosure B) Weatherproof enclosure Article 450.22 If a 120 volt circuit feeds six 80 watt fluorescent lamps, what current is drawn if power factor is 0.91? A) 4.4 amps B) 3.2 amps C) 2.57 amps D) 4.7 amps A) 4.4 amps. P -------------- E X I X PF 6 X 80= 480 watts 480 --------------- = 4.4 120 X .91 The smallest grounded or neutral conductor for an electric service using 1100 kcmil copper conductors is? A) 2/0 copper B) 3/0 copper C) 1/0 copper D) No. 4 AWG copper A) 2/0 copper Table 250.66 In an autotransformer, overcurrent devices shall not be installed? A) In parallel with the output conductors B) In parallel with the shunt winding C) In series with output conductors D) In series with the shunt winding D) In series with the shunt winding Article 450.4 (A) If a plug fuse window appears clear and the element is merely broken, the probable cause of the fuse blowing is? A) a short circuit B) a change in electrical value C) an overload D) none of the above C) an overload The smallest size conduit allowed to enclose motor terminals from a junction box is? A) 1/2 inch B) 1 inch C) 1 1/2 inch D) 3/8 inch D 3/8 inch Article 430.245 (B) All fixed boxes, fittings, and joints must be explosionproof in? A) Class I, Division 1 locations B) Class II, Division 2 locations C) Class II, Division 1 locations D) Class III, Division 1 locations A) Class I, Division 1 locations Article 500.7 (A) A copper wire with twice the diameter of another wire has a current carrying capacity? A) half as great B) twice as great C) one fourth as great D) four times as great D) four times as great The maximum number of #12 conductors that may be installed in a 2 1/8 " × 4 11/16" square box is? A) 10 B) 12 C) 18 D) 20 C) 18 The portion of a wiring system between a point of distribution and the branch circuit overcurrent device is called the? A) branch circuit B) service entrance C) feeder D) tap conductor C) feeder The reciprocal of resistance is? A) volt B) impedance C) conductance D) ampere C) conductance A battery will deliver its maximum power when its load resistance is? A) zero B) twice the internal resistance C) half the internal resistance D) equal to the internal resistance D) equal to the internal resistance A watt hour meter is used to measure? A) power B) energy C) total power D) energy per hour B) energy The internal diameter of 1/2" EMT is? A) .622" B) .8" C) 1.049" D) 1.38" A) .622" The total cross sectional area of conductors (not lead covered) in a new conduit with 4 wires shall not exceed? A) 31% B) 38% C) 40% D) 50% C) 40% The working clearance between live parts for a system operating at 480 volts with exposed live parts on one side and grounded parts on the other side is? A) 1 ft B) 2 ft C) 3 ft 6in D) 4 ft C) 3 ft 6 in Article 110.26 (A) Panelboards installed in Healthcare facilities and serving the same individual patient vicinity must be bonded together with copper conductors not smaller than? A) No 12 AWG B) No 10 AWG C) No 8 AWG D) No 6 AWG B) No 10 AWG Article 517.14 What is the minimum wire bending space allowed in a panelboard being fed with paralleled pairs of 2/0 conductors entering the enclosure through the wall opposite the terminals? A) 6 in B) 7 in C) 8 in D) 9 in A) 6 in Article 312.6 (B) (2) and table 312.6 (B) The working clearance between live parts for a system operating at 480 volts with exposed live parts on one side and no live or grounded parts on the other side of the working space must be a minimum of? A) 3 ft B) 3 ft 6 in C) 4 ft D) 5 ft A) 3 ft Article 110.26 (A) (1) What is the minimum wire bending space required at the top and bottom of a panelboard that has one 3/0 conductor connected to each busbar in the panelboard? A) 6 1/2 in B) 7 in C) 7 1/2 in D) 8 in A) 6 1/2 in Table 312.6 (B) What is the highest position the operating handle of a safety switch or circuit breaker may be located above the floor or working platform under the normal working conditions? A) 4 ft 6 in B) 5 ft C) 6 ft D) 6 ft 7 in D) 6 ft 7 in Article 404.8 (A) The minimum spacing allowed between bare metal surface mounted, current carrying parts of opposite polarity in a panelboard with voltage not exceeding 125 volts is? A) 1/4 in B) 1/2 in C) 3/4 in D) 1 in C) 3/4 in Table 408.56 When designing or installing circuits for diagnostic equipment in health care facilities, what is the minimum percentage allowed for the momentary Ampacity of the equipment when sizing branch-circuit conductors and the overcurrent protection? A) 25% B) 50% C) 75% D) 100% B) 50% Article 517.73 (A) (1) A grounding autotransformer is used to create a three phase, 3 wire ungrounded system. At what percent must the overcurrent device be set of trip in case of an overload? A) 100% of the transformers continuous current per phase rating B) 110% of the transformers continuous current per phase or neutral rating C) 125% of the transformers continuous current per phase or neutral rating D) 150% of the transformers continuous current per phase or neutral rating C) 125% or the transformers continuous current per phase neutral rating Article 450.5 (A) (2) Omission of overcurrent is permitted at points where busways are reduced in size, provided that the smaller busway length does not exceed what distance? A) 10 ft B) 20 ft C) 30 ft D) 50 ft D) 50 ft Article 368.17 (B) exception A circuit breaker with a slash rating of 120/240 volts is rated for what voltage to ground? A) 120 volts to ground B) 240 volts to ground C) any voltage up to 240 D) none of these A) 120 volts to ground Article 240.85 An insulated grounded conductor shall have insulation that is? A) service rated B) green C) suitable for use as an ungrounded conductor D) listed for underground use C) suitable for use as an ungrounded conductor Article 200.2 (A) What is the maximum overcurrent protection of resistance-type electric space heating equipment? A) 40 amps B) 50 amps C) 60 amps D) 70 amps plus an additional 150% if motor driven C) 60 amps Article 424.22 (B) A measuring instrument consisting of an enclosure containing resistance coils with convenient plugs or switches for placing coils of various resistance in and out of a balancing circuit is called a? A) volt-ohm-ammeter6 B) voltmeter C) current transformer D) wheatstone bridge D) wheatstone bridge If voltage readings are taken on a 3 phase, 4 wire, 240 volt, delta connected electric service and 2 of the phases show a reading of 230 volts between phase and ground and the third shows a reading of only 50 volts between phase and ground, what is the probable cause of this problem? A) load too great B) incorrect wire size C) incorrect transformer settings D) a partial ground or ground fault D) a partial ground or ground fault In a DC circuit, the ratio of Watts to Volt-Amperes is always? A) greater than one B) less than one C) difficult to determine D) at unity D) at unity On a DC circuit the voltage and the current happen simultaneously, thus the power factor is always unity When testing conductor insulation with a megger, it is desirable to have the instrument's voltage? A) slightly lower then the peak value of the rated AC voltage B) the same as the rated AC voltage C) slightly higher than the peak value of the rated AC voltage D) no more than 80% of the AC voltage C) slightly higher than the peak value of the rated AC voltage The megger's DC voltage should be slightly higher than the peak value of the rated AC voltage. In doing so, any weaknesses will be revealed to a higher percentage than if the same voltage was used. Most meggers provide a range in voltage from? A) 0 to 50 volts B) 500 to 1000 volts C) 0 to 500 volts D) 500 to 5000 volts D) 500 to 5000 volts Live parts of motors must be guarded if they operate at or over? A) 150 volts B) 50 volts C) 100 volts D) 75 volts B) 50 volts Article 430.232 If a conductor is covered, it is? A) encased with an insulation recognized by the code B) encased with an outer covering not recognized as electrical insulation by the code C) effectively isolated from ground faults D) covered with a material of a composition and thickness recognized by UL B) encased with an outer covering not recognized as electrical insulation by the code Article 100 defintions What is the maximum overcurrent protective device allowed on a 480 volt branch circuit with several small motors connected all of which are under 1 HP and the maximum load of each motor is 5 amps? A) 10 amps B) 15 amps C) 20 amps D) 30 amps B) 15 amps Article 430.53 (A) What may be the locked rotor current be assumed to be for small motor compressors not having the locked rotor current marked on the nameplate? A) 2 times the rated load current B) 4 times the rated load current C) 6 times the rated load current D) 8 times the rated load current C) 6 times the rated load current Article 440.12 (C) For continuous duty, the conductors connecting the secondary of a wound rotor AC motor to its controller must have an Ampacity not less than what the percent of the full load secondary current of the motor? A) 100% B) 110% C) 125% D) 130% C) 125% Article 430.23 (A) In a 3 wire, 3 phase AC system feeding a motor, with one conductor grounded, where must fuses for motor overload protection be inserted in the circuit? A) a fuse must be inserted in each ungrounded conductor and also in the grounded conductor B) no fuses are required for motor overload protection C) a fuse must be inserted only in each ungrounded conductor D) none of the above answers is correct A) a fuse must be inserted in each ungrounded conductor and also in the grounded conductor Article 430.36 Motor starter rheostats for DC motors operated from a constant voltage supply must be equipped with automatic devices that will interrupt the power supply before the speed of the motor falls to a certain level. What is this speed? A) 1/2 its normal rate B) 1/3 its normal rate C) 3/4 its normal rate D) 2/3 its normal rate B) 1/3 its normal rate Article 430.82 (C) (2) What is the minimum number of conductors a motor controller must open? A) only the grounded conductor B) enough ungrounded conductors to stop the motor C) all ungrounded conductors D) no conductors need to be opened B) enough ungrounded conductors to stop the motor Article 430.84 The frames of all portable motors over a certain voltage must be guarded or grounded. What is the voltage? A) 100 volts B) 120 volts C) 150 volts D) 220 volts C) 150 volts Article 430.243 Locations where easily ignitable fibers are stored are? A) Class I, Division 1 B) Class II, Division 1 C) Class III, Division 1 D) Class III, Division 2 D) Class III, Division 2 Article 500.5 (D) (2) In Class I, Division 1 locations, a conduit to a splice box must be sealed if if the trade size is? A) 1 inch or larger B) 2 1/2 inches or larger C) 2 inches or larger D) 1/2 inch or larger C) 2 inches or larger Article 501.15 (A) (1) When service entrance conductors exceed 1100 kcmil for copper, the required grounded conductor for the service shall be sized not less than ________ % of the area of the largest ungrounded service entrance conductor? A) 12 1/2 % B) 15% C) 19% D) 25% ... 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 The maximum total voltage droop on a branch circuit is 3% the floors of vaults in contact with the earth shall be of concrete that is not less then 6 inches thick according to the NEC bare live parts are guarded from the public in the following methods except 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 6inches when the code uses the words it means the identified actions are allowed but not required, and may be optional shall be permitted a 120 volt 15-20 amp receptacle shall be located with in of air conditioning and refrigeration, heating systems 25 feet in the NEC the words . indicate a mandatory requirement 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 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 4 feet when leads are supplied with lampholders with lamp holders the conductor attached to the screw shell shall have a finish 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 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 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 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 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 50 feet 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 authority having jurisdiction has the responsibility 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 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. 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 18'' 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 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" 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 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 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% access openings in a manhole shall be not less than 26" 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 there shall be a minimum of one branch circuit for laundry outlet 20 amp 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 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 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" 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 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 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 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 How many receptacles are required within the perimeter of a balcony, deck, porch with an unusable are of less than 20 SQ feet 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 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 36 inches What is the maximum run length of an 18 AWG fixture wire that is tapped onto s 20 amp branch circuit? 50' 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 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 Conductors are considered outside buildings when they are buried under not less than__________ 2 inches In straight pull, the length of the box shall not be less than ________ times the trade size of the largest raceway 8 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 Auxiliary gutters shall be supported throughout their entire length at intervals not exceeding Feet if of sheet metal type 5 feet Equipment installed in hazardous locations shall be marked to show the Class , temp , group 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" 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 % 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 Type blank fuse adapters shall be designed so that once inserted in a fuse holder they cannot be removed Type s Panelboards equipped with snap switches rated at 30 A or less shall have over current protection not exceeding 200 amps The number of receptacle outlets for guest rooms in hotels and motels shall not be less than that require for a dwelling receptacles can't be located to be convenient for permit furniture layout. but at least blank receptacle outlet shall be readily accessible Two 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 A door used by personnel to exit the workspace that is less than 25 feet from the workspace shall Swing outward with simple pressure 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" 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 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" According to the NEC bere live parts are guarded from the public in the following methods except protected by fireproof curtain 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 The demand factor for marine load calculations of 45 shore power receptacles is blank percent 50% 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 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 ' The blank shall conduct or witness any acceptance test of the complete emergency system upon installation and periodically afterwards Licensed professional 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 Mobile aircraft battery chargers must carry a sign to keep at least blank feet away from aircraft 5' Open conductors which are not service entrance cable's shall not be installed less then which of the following 10 feet above grade level What is the feeder or service calculation load for water disposal 940 VA dishwasher 1250 VA and a water heater 4500 VA 6690 va Which of the following shall not be connected to the life safety branch in the hospital General lighting 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% The reading of a branch circuit shall be determined by the rating of the Branch circuit over current devices 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 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 and 20 amp 120 Installed the bathroom of. Shall have GFCI protection Dwelling units hotels office buildings GFCI Protection shall be provided for all 15 and 20 amp 120 V receptacles installed in dwelling units Garages 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 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 and 20 amp 125 or volt receptacles installed in blank of dwelling units shall have GFCI protection Unfinished basement 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 125 V receptacle located within 6 feet of the dwelling unit Sinks All 15 to 20 amp 125 all receptacles of commercial occupancy shall have a GFCI protection in Bathrooms rooftops in kitchen 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 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 minimal of one blank branch circuit for the laundry outlet required by 20 amp An individual 20 amp branch circuit can supply a single dwelling units bathroom outlets and other equipment within the Bathroom 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 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 receptacle installed and individual branch circuit shell have an impasse a reading no less than that of the branch circuit True 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 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 Multiwire branch circuits Shall Supply only line to neutral 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 More than one normal volt system existing in a building each conductors Shall be identify by phase and system at all terminations connection Ungrounded In dwelling units the bolded between conduct this supply the terminals of flank turn on exceed 120 V noble Luminaries motors cord and plug 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 Receptacle outlets in floors shall not be counted as part of the required number of receptacle outlets unless located within _______ of the wall 18" 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 In a dwelling unit outdoor receptacles can be connected to one of the 20 amp small appliance branch circuit False A receptacle connected to one of the small appliance branch circuits can be used to supply a clock True A receptacle connected to a dwelling unit kitchen to serve countertop surfaces shall be supplied by no fewer than blank small appliance branch circuits Two In a bathroom a GFCI receptacle can be installed on side or face of sink basin cabinet no lower than blank below countertop 12" 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_________ 1,000 A Receptacle outlets in floors shall not be counted as part of the required number of receptacle outlets unless located within________ of the wall 18 in. Exposed live parts of motors and controller operating at ______ or more between terminals shall be guarded against accidental contact by enclosure or by location 50 Volts Lightning 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 rs, open circuit voltage 5 ft 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 4 In a dwelling unit which appliance is allowed to have a 24 inch cord with an attachment ground plug? Combination range hood/ Microwave 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 1 Lightning systems covered by Article 411 shall have a power supply rated not more than _____ and not more than 30 V 25 A Temporary electrical power and lightning installations shall be permitted for a period not exceeding_______ days for Christmas decorative lightning and similar purposes 90 A limited care facility is an area used on a _________ basis for the housing of four or more persons who are incapable of self preservation because of age, physical limitations due to accident or illness, or mental limitations, mental illness, or chemical dependency 24 hours As per NYC NAEC i addition to the number of branch circuits required in a dwelling unit an individual branch circuit shall be provide for each _____ receptacle Air Conditioner Lightning systems operating at 30V or less shall not be installed within _____ of pools, spas, fountains, or similar locations 10 Feet What is the spacing of CATV cable over lighting conductors 6' A HVAC unit is to be connected and needs a ignitor coil. How many circuits does it require 1 circuit Heater wire colors 208 v is blue 240 volts red welders max over current protection 200% min size ground wire comm # 12 box with PVC fittings top must be water proof seperately derived system jumper system bonding jumper aluminum ground attached to ground rod 18' above earth SE cable for services Installed in rigid pipe pendant light hazardous location rigid pipe what is true about disconnect switches snap switches 2x full load amps fill of a 24'' nipple 60 % fill of a 30'' nipple 30 % temp of a transformer room nyc 104* what is a effect of a supplemental ground in a hospital besides isolated ground metal raceway variable loads 125% fixed loads 250% Service buss 10' service buss no vent on top service buss alum enclosure network compartment two means of egress class 1 div 1 MI cable class 1 div 2 pltc conduit fill for more than 2 conductors 40 % height of a fence for equiptment 8' min size inter system bonding conductor is #6 wire what is the correction factor for conductors 1/2 '' above roof 60% conductors located on roof must be sunlight resistance how manny neutrals can be shared on a 4 wire or 5 wire circuit 2 how manny neutrals can be shared on 3 sets 1 neutral what is the max voltage for signal and remote control circuits 30 volts . and 1000 volt amps motor and heaters in a industrial building how do you determine supply conductors ampacity 125% of HTR 125% of largest motor 100% of all other motors low voltage lighting 30 volts what is the max branch circuit 20 amps in the NYC code they deleted FPN2 sec 215 a2 why they made it a code section a fixed infared lamp shall be permitted to be supplied from a 50 amp circuit controls to a hoist FMC LFMC office furniture shall be connected to building electrical system NYC box a typical wet niche fixture must be installed 18'' blow water leval power supply cord for information technology equipment cant exceed 15' max voltage between conductors for lighting fixtures in pools or fountains 150 volts dry type transformers rated over 35000 volts must be installed in a vault max voltage between underground conductors or flat conductors cable systems 300 volts NM cable ion raceways into panels 18'' to 10' 24' nipple fill 60% 42' nipple 53% 30' nipple 53% 2 wires in nipple 31% working space for non electrical parts 30'' live electrical parts 36'' what is the a proved method for entering a building for fiber optic IMC,EMT,RMC max height for GFCI in kitchen 20'' above counter top when a 400 amp panel is supplied a parallel set of feeders in pvc conduit what size equipment ground is needed 3/0 in each conduit min size feeder in a dwelling unit #8 ferromagnetic envolope ground both ends bond at joints min distance for a disconnect switch for hot tub 5' open conductors min height 10' type 3 TVSS load side of service 30' distance from service when do you need to derate conductors over 3 current carrying conductors cables in concreat 16.5 watts per foot nameplate of hermetic refrigerant 115% of nameplate max bend radius of AC cable 5x FCC cable flat cable under carpet Min size service lateral #4 ground for under 1KW surge aresster #14 ground for over 1 KW surge aresster #6 ground fixed hospital equipment max over current protection 30 amps portable X ray equipment max over current protection 60 amps