NEC NYC
(1) 10' feet (2) Center-line (3) doorway
210.52(h) ---- In dwelling units, hallways of ____(1)_____ or more shall have one receptacle outlet, the hall length shall be considered the length along the ____(2)________ of the hall without passing through a _____(3)_______.
16 Amp
210.21 ---- When connect to a branch circuit supplying two or more 20A receptacles, each receptacle shall not supply a total cord-and-plug connected load in excess of _________________
(1) January, 2003 (2) 50% (3) Equipment
210.25(NYC) Buildings built prior to ________(1)_________, ______(1)_____ are exempt from the requirements of under the following conditions 1- Undergoing renovation less then ______(2)_____ 2- Repair to or replacement of existing ______(3)_____
(1) 4% (2) 5% (3) 3% (4) 1% (5) 3% (6) 5%
215.2(NYC) Voltage Drop 1- Maximum voltage drop in a dwelling unit from service point to the final over-current protection device? 2- Maximum Voltage drop in mixed used building from the service point the last outlet? 3- Maximum voltage drop in a commercial building from the last over current protection device to the final outlet? 4- Maximum voltage drop in a Dwelling unit from the last over current protection device to the final outlet? 5- Maximum voltage drop in a mixed used building from service point to the final over-current protection device? 6- Maximum Voltage drop in dwelling unit from the service point the last outlet?
(1) 8 AWG (2) 6 AWG
215.2(a)(1)(NYC) --The minimum feeder size a dwelling unit shall be ____(1)_____ copper or _____(2)____ aluminum conductors
12'" inches or 1' foot
225.14 ---Conductors on poles shall have a separation of not less than _________ where not placed on racks or brackets
18 1/2' feet
225.60 Clearance over roadways, walkway, etc 22KV to ground Over vehicles, roadways, driveways, parking lots, and alleys
10' feet
230.50(b) other than service cables ---- Individual open conductors and cables, other than service cables, shall not be installed within __________ of grade level or where exposed to physical damage
24" inches
230.54 (NYC) Over head services Exception: Where impracticable to locate the service head above the point of attachment, the service head shall be permitted to be not further than ____________ from the point of attachment
Above
230.54(b)(NYC) Service heads shall be located ________ point of attachment of the service drop conductor to the building or other structure.
12" inches
230.64(b)(2)(NYC) --Where service equipment totaling 1000 kva or larger is installed separately, or as part of a switchboard the room in which such switchboard is located shall be constructed of noncombustible materials having two hour fire rating and shall have the following minimum clearances: At least __________ from the floor to any energized part of the switchboard, except by special permission
(1) 5' Feet (2) 7' Feet
230.64(b)(NYC) service equipment totaling 1000 kva or larger ---- At least _____(1)______ in front of the switch board if it is in one line, and at least _______(2)_______ in front of the board if the boards are installed facing each other.
(1) 4' feet (2) Gasket-type
300.22(b) --Flexible metal conduit shall be permitted in lengths not to exceed ______(1)________, to connect physically adjustable equipment and devices permitted to be in these ducts and plenum chambers. Where equipment or devices are installed and illumination is necessary to facilitate maintenance and repair enclosed _____(2)_______-______(2)______ luminaries shall be permitted
(1) 2 1/2" inch (2) Rigid metal conduit & Intermediate metal conduit
300.4(E) A cable or raceway type wiring method, installed in exposed or concealed locations under metal-corrugated sheet roof decking, shall be installed and supported so the nearest outside surface cable or raceway is not less than _______(1)______ from the nearest surface of the roof decking Exception: Which conduits do not need to comply(2)
(1) 8' Feet (2) 18" inches
300.5 Under ground installations (1) Direct-buried conductors and cables emerging from grade and specified in Columns 1 & 4 of table 300.5 shall be protected by enclosures or raceways extending from the minimum cover distance below grade required to a point at least ______(1)_____ above grade. In no case shall the protection be required to exceed _______(2)____ below finished grade.
(1) 18" inches (2) 12" inches
300.5(3) Service Conductors Under 600 volts -- Under ground service conductors that are not encased in concrete and that are buried _______(1)_____ or more below grade shall have their location identified by a warning ribbon that is placed in the trench at least ______(2)_____ above the underground installation
8 AWG
310.3 ---Where installed in raceways, conductors or size ________ and larger shall be stranded.
1/0 AWG
310.4 ----- Copper conductors of size ______ AWG and larger, comprising each phase, polarity, neutral, or grounded circuit conductor shall be permitted to be connected in parallel.
(1) 1/4" inch (2)Non metallic enclosures
312.2 --- In damp or wet locations, surface type enclosures within the scope of this article shall be placed or equipped so as to pervert moisture or water from the entering and accumulating within the cabinet or cutout box, and shall be mounted so there is at least _____(1)_____ air space between the enclosure and the wall. Exception: _________(2)_________ enclosure shall be permitted to be installed without airspace
(1) Encased in poured concrete (2) Embedded in concrete slab on grade where the tubing is placed on sand or approved screening
362.10(6) ENT uses permitted ENT and fittings cab _________(give 2)_______ provided fittings are identified for this purpose are used
(1) 12" inches (2) Below
555.19 --Receptacles in marinas shall be mounted not less than _____(1)_____above the deck surface of the pier and not _______(2)_______ he electrical datum plan of fixer pier
(1) insulated, listed (2) copper, stranded or solid (3) #12 AWG (4) short
800.100 Cable and primary protector grounding (A) Grounding Conductor (1) the grounding conductor shall be _____(1)____ and shall be _____(1)_____ (2) The grounding conductor shall be ______(2)_____ or other corrosion-resistant conductive material, ______(2)______ or ______(2)______ (3) The grounding conductor shall not be smaller than "_______(3)____" (4) The primary protector grounding conductor shall be as ______(4)____ as practicable
strainght
800.100(5) -----The grounding conductor shall be run to the grounding electrode in as _____________ a line as practicable
(1) 12" inches (2) 40" inches
800.44 (4) Overhead communications wire and cables -----Supply service drops of 0-750 volts running above and parallel to communications service drops shall have a minimum separation of _____(1)______ at any point in the span, including the point of and at their attachment building, provided the non-grounded conductors and insulated and that a clearance of not less than ____(2)_____ is maintained between the two services at the pole.
6' feet
800.53 ---Where practicable, a separation of at least _______ shall be maintained between communications wires and cables on buildings and lightning conductors
(1) higher (2) .8
Chapter 9 Table 1 Notes Note (7) ---when calculating the maximum number of conductors permitted in a conduit or tubing, all the same size the next _____(1)_____ whole number shall be used to determine the maximum number conductors permitted when calculation results in decimal of ___(2)___ or larger
diameter squared
Formula for CMA
Width times Thickness
Formula for SQ Mils
Width times thickness times 1000 *do not convert to cma
Formula for current capacity
E(voltage) over I(current) times R(resistance)
Formula for ohms law
P(watts) over E(voltage) times I(current)
Formula for power ohms law
K times Length Times 2 times Current(I) over CMA times Voltage drop
Formula: 2-wire voltage drop
K times Length Times 1.732 times Current(I) over CMA times Voltage drop
Formula: 3 phase voltage drop
Voltage(E1) minus Voltage(E2) over Current(I)
Formula: Charging Resistance
K times Length over CMA times Resistance
Formula: resistance of wire
one 20A branch circuit
Give minimum required branch circuit for Bathroom (Dwelling unit)
(1) 30" inches (2) 12" inches
Service Conductors Over 600 volts -- Under ground service conductors that are not encased in concrete or protected by concrete and are buried _______(1)_____ or more below grade shall have their location identified by a warning ribbon that is placed in the trench at least ______(2)_____ above the underground installation
(1) 12 Amp (2) 16 Amp (3) 24 Amp
Table 210.21(b)(2) Cord and plug Connected load to Receptacle(supplying 2 or more) Circuit Rating 15 Amp -(1) 20 Amp -(2) 30 Amp -(3)
(1) 1 1/4" inch (2) 1/16" inch
When cable, raceways are installed through bored holes in joists, rafters, or wood members holes hall be bored so that the edge of the hole is not less than ________(1)_______ from the nearest edge of the wood member. Where distance cannot be maintained a steel plate of _____(2)______ of appropriate length and width installed to cover area of the wiring
Voltage(E1) minus Voltage(E2) over Resistance(R1) minus Resistance(R2)
Formula: Circulating Current
Sq. Mils over CMA times .78
Formula: Replace Busbar to wire
(1) 3 feet (2) 3 feet
110.26 Working Space--- Condition 1: Exposed live parts on side and no grounded parts on the other 0-150 volts ground:__________(1)_________ 151-600 volts ground:__________(2)_________
6" inches
110.26(3) Height of the working space---- Within the height requirements of this section, other equipment that is associated with the electrical installation shall be permitted to extend not more than ___________ beyond the front of the equipment
an enclosure or sign body
600.2 definitions ---Skeleton tubing is neon tubing that is it self the sign and attached to
24" inches or 2' feet
Access openings in a manhole for class 2 or class 3 remote-control and signaling circuits, or both; fire alarm circuits, shall not be less than _____________
26" inches
Access openings in a manhole shall not be less than _____________
1- by location (room, vault, similar enclosure) 2- by suitable permanent partitions 3- by location balcony, gallery, platform 4- by elevations 8'feet or more above the floor or other working surface
According to NEC, bare live parts are guarded from the public in the following methods 50volts or more (name all 4 methods)
if the conductors up to the AFCI are in a metal raceway or AC cable
An arc-fault circuit interrupter can be located at the first outlet to provide protection for the remaining portion of the branch circuit if ______________
6 1/2' feet
At least one receptacle outlet not more than _____________ above a balcony, deck, or porch shall be installed within the perimeter at each balcony, desk, or porch of a dwelling unit
100%
Branch-circuit neutral conductors that supply a continuous load shall have an ampacity of not less than ____________ of the continuous load
(1) 8' feet (2) 3' feet
Clearness of over head conductors under 600 volts & services -- Overhead spans & services conductors shall have a vertical clearance of not less than ________(1)_____ above the roof surface. The vertical clearance above the roof level shall be maintained for a distance not less than __________(2)_______ in all directions from the edge of the roof.
(1) 180 VA (2) 360 VA
Commercial Receptacles are Calculated at 1 yoke or strap= _______(1)______ 2 yoke or Straps=_______(2)____
2" inches
Conductors shall be considered outside the building or other structure when installed under not less than ______________ of concrete beneath a building or other structure
Raintight
Constructed or protected so that exposure to a beating rain will not result in the entrance of water under specified test conditions
one 20A branch circuit
Give minimum required branch circuit for Laundry (Dwelling unit)
two 20A receptacles
Give minimum required branch circuit for Small appliance (Dwelling unit)
over 100 pounds
In a manhole or cover for an under ground pull box used for 600 volts is not locked, bolted, or screwed into place, then it must weigh equal to
(1) Space Heater, Air conditioners, and Ventilation equipment
Kitchen Equpimant other than Dweling unit----- The demand factor shall not apply to _______(1)______, ______(1)_______, or _______(1)________.
20" inches
Kitchen and dinning room counter-top receptacle outlets in dwelling units shall be installed above the counter-top surface, and not more than ____________ above the counter-top
(1) 1200 amp (2) 6' feet (3)One Entrance to (4) Egress (5) 24" inches (6) 6 1/2' feet
Large Equipment working space--- For equipment ________(1)________ or more and over _______(2)______ wide that contains overcurrent devices switching devices, or control devices, there shall be ______(3)______ _______(3)_______ and ________(4)_______ from the required working space not less than _________(5)______ wide and _________(6)_______ high at each end of the working space.
(1) 6 (Six)
Maximum number of disconnects (a) General- The disconnecting means for each supply permitted shall consist of not more than ________(1)_____ switches of ______(1)_______ circuit breakers mounted in a single enclosure, or in a switchborad
1- Electric Clock 2- Gas Ranges 3- Ovens 4- Cook tops
Small Appliance Circuits Exceptions(NO other Outlets)--- Receptacle Outlets can Serve these other ares (Give 4)
1- Dining room 2- Breakfast room 3- Pantry 4- Kitchen
Small Appliance Circuits--- Receptacle Outlets can Serve these other ares (Give 4)
(1) 6 1/2' feet (2) 200 amp (3) 6 1/2' feet
The minimum head room of working space shall be ________(1)______ or the height of the equipment whichever is higher. Exception: In existing, dwelling units, service equipment or panel-boards that do not exceed ______(2)______ shall be permitted in spaces where the headroom is less than _________(3)______.
2 (two)
There shall be a minimum of _______________ receptacles installed outdoors at a one family or two family dwelling unit
150 VA per every 2 feet
Track Lighting in other than Dwelling units will be calculated at
ungrounded
Where more than one nominal voltage system exists in a building, each _____________ conductor of a branch circuit shall be identified by phase and system at all termination, connection, and splice points.
(1) 3 feet (2) 4 feet
110.26 Working Space--- Condition 1: Exposed live parts on side and exposed live parts on the other 0-150 volts ground:__________(1)_________ 151-600 volts ground:__________(2)_________
(1) 3 feet (2) 3 1/2 feet
110.26 Working Space--- Condition 1: Exposed live parts on side and grounded parts(concrete, brick, tile wall) on the other 0-150 volts ground:__________(1)_________ 151-600 volts ground:__________(2)_________
(1) Unobstructed (2) Twice
110.26(2)(a)&(b)--- A single entrance to and egress from the required working space shall be permitted where either of the conditions are met (1) __________(1)________ Egress (2) Where the depth of the working space is _______(2)______ that required by code
(1) 25' feet (2) Egress (3) latched (4) Simple Pressure
110.26(3)---- Where equipment rated 1200 mp or more and is a personnel door(s) intended for entrance to and egress from the working space less than ______(1)______ from the nearest edge of the working space shall open in the direction of _______(2)_______ and be equipped with panic bars or other devices that are normally _______(3)______ but open under __________(4)______ ______(4)_______.
(1) equipment (2) 30" inches (3) 90 degrees
110.26(a)(2) Width of working space--- The width of the working space in front of the electrical equipment shall be the width of the ______(1)_______ or ______(2)_______ whichever is greater. In all cases the door of the equipment must open ______(3)________.
(1) 3 hours (2) 6" inches
110.31(a)(NYC) ---- The wall, roof, floors, and doorways of vaults containing conductors and equipment over 600 volts nominal shall be constructed of materials that have adequate structural strength for conditions, with minimum fire rating of ____(1)_______ and concrete that is not less than _______(2)______.
Sliding doors
210.52(a)(2) In dwelling units when determining the space of receptacles outlets , ____________ on exterior walls shall not be considered wall space
200 VA per 1 Foot
210.62--- Show windows shall be calculated in accordance with either of the following:
55 Amps
215.2(2) Service conductor Ampacity ---- The feeder conductors ampacity shall not be less than that of the service conductors where the feeder conductors carry the total load supplied by service conductors with an ampacity of _____________ or less
4" inches
680.23(5)--- No luminaire shall be installed less than ________ below the water level of the pool
5 feet
680.41 ----In a single family dwelling a clearly labeled emergency shutoff or control switch for the purpose of stopping the motor that provides power to the recirculating system and jet system shall be installed at the point readily accessible to the user and not less than __________ away, adjacent to, and within sight of the spa or hot tub
(1) 1500 VA each = 3000 VA (2) 1500 VA (3) 5000 VA minimum or nameplate rating whichever is larger
Load calculations for the following Dwelling unit Branch circuits Small appliance Branch Circuits= _______(1)______ Laundry Branch Circuit= _________(2)________ Electric Clothes Dryer=__________(3)______
(1) width (2) depth (3) 6 1/2 feet (4) structural ceiling (5) Suspended ceiling
110.26(f)(1)(a) Dedicated Electrical space--- The space equal to the _________(1)_____ and _______(2)______ of the equipment and extending from the floor to the height of _______(3)______ above the equipment or to the _________(4)_______ which is lower. Exception: ___________(5)___________ with removable panel shall be permitted within 6 foot zone
(1) 30: inches (2) 6 1/2' feet
110.33(NYC)(Over 600 volts) ----- At least one entrance to enclosures for electrical installations as described not less _______(1)________ and ______(2)_______ high shall be provided to give access to the working space around the electrical equipment
(1) 75% (2) four (3) Space Heater, Air conditioners, Electric Dryers, and Electric range
Appliance loads- Dwelling units----- It shall be permissible to apply a demand factor of __________(1)____ of the nameplate rating load of _____(2)____ or more appliances fastened in place, other than _______(3)_______, _____(3)________, ________(3)_______, and _____(3)_______
(1) 18" inches (2) 12 liner feet
At least one receptacle outlet shall be installed within _______(1)______ of the top of a show window for each _______(2)______ or major fraction thereof, of show window area measured horizontally at its maximum width
Habitable room & Bathroom
At least one wall switch-controlled lighting outlet must be installed in every________________ ___________ & ____________ of a dwelling unit.
6 1/2 feet
Balconies, decks, and porches that are accessible from inside the dwelling unit shall have at least one receptacle installed within the perimeter shall not be located more than _________ above the surface of the balconies, decks, and porches
(1) single
Chapter 9 Table 1 Notes Note (9)----A multi-conductor cable or flexible cord of two or more conductors shall be treated as a __(1)____ conductor for calculating percentage conduit fill area. For cables that have elliptical cross sections, the cross-sectional area calculation shall be based on using the major diameter of the ellipse as a circle diameter
10' feet
225.18 Clearness of over head conductors under 600 volts ---Above finished grade, sidewalks, platforms; where only pedestrians are accessible; conductors do not exceed 150 volts to ground.
6 AWG
280.23 ----The conductor between the surge arrester and the line and the surge arrester and the grounding connect shall not be smaller than __________ copper
6 AWG
280.23 sure-arrestor conductors ---The conductors between the sure arrester and the line and the surge arrester and the ground connection shall not be smaller than ______________ copper
(1) longer (2) bends
285.12 Routing of connection ----The conductors used to the SPD to the line or bus and the ground shall not be any ______(1)____ than necessary and shall avoid unnecessary _____(2)_____
8' feet
110.31(NYC) ---- For installations other than enclosed equipment accessible to unqualified persons, a wall, screen, or fence shall be used to enclose an outdoor electrical instillation to defer access by persons who are not qualified, the height of the fence should be in total of _______ feet
(1) 6 AWG (2) Green (3) Green
200.6(a)---- Neutral conductors ___________(1)_______ and smaller must identified by a continuous white or gray outer finish along their entire length, or by any color insulation(except ________(2)_____) with three white stripes , or by white or gray insulation with any color stripes (Except ______(3)_____).
(1) 6 AWG (2) White (3) Gray (4) White (5) White (6) Gray
200.6(a)---- Neutral conductors larger than ________(1)______ must be identified by one of the following means: (1) a continuous ______(2)_____ or _____(3)_____ outer finish along its entire length (2) Three continuous ____(4)_____ stripes along its length (3) _______(5)_____ or ____(6)_____ tape or paint at terminations
(1) Wire ties (2) raceway (3) cable
210.4(d) The ungrounded and grounded conductors of each multi-wire branch circuit shall be grouped by _______(1)_________ ______(1)_____ or similar means in at least one location within the panel-board or other point of origination Exception: the requirement of grouping shall not apply if the circuit enters from a ______(2)_____ or ______(3)______ unique to the circuit
6 feet
210.50(c)---- Appliance receptacle outlets installed in a dwelling unit for specific appliances, such as laundry equipment shall be installed within ___________ of the intended appliance
Bedrooms, Dinning Rooms, Living rooms, and similar rooms Exception: When dwelling unit has Central air condition
210.52(I) (NYC) At least one receptacle outlet installed for Air conditioners such outlets shall be supplied by an individual branch circuit (name Rooms) Also Give Exception
(1) horizontally (2) 6 feet
210.52(a)(1) ----- Receptacles shall be installed such that no point measured _______(1)_____ along the floor line in any wall space is more than _____(2)______ from a receptacle outlet
(1) 24" inches or 2' feet (2) 48" inches or 4' feet
210.52(a)(1) Spacing Counter-top Wall --- A receptacle outlet shall be installed a each wall counter space that is _______(1)_____ or wider. Receptacles outlets shall be installed so at no point along the wall line is more than ______(2)____ measured horizontally from a receptacle outlet in that space
18" inches
210.52(a)(3)--- Receptacle outlets on the floor shall not be counted as part of the required number receptacle outlets unless located within __________ of the wall
(1) same level (2) within 25 feet (3) load side
210.63 ---- a 125 volt, single phase, 15 or 20 amp-rated receptacle outlet shall be installed at an accessible location for the servicing of heating , air conditioning, and refrigeration equipment. the receptacle shall be located _____(1)____ ________ and _____(2)___ _______ equipment Receptacle outlets shall not be connected to the ________(3)__ ________ of equipment.
Habitable rooms and Bathrooms
210.70 ---- At least one wall switched-controlled lighting outlet shall be installed in every__________ __________ and__________.
Kitchens and Bathrooms
210.70 Exception--- In other than _________ and ___________ one or more receptacles controlled by wall switch shall be permitted in lieu of lighting outlets
1- In unfinished basements where Burglar alarms or fire alarms are plugged in 2- Snow-melt equipment on roofs
210.8(a)(1)-(8) GFCI Dwelling units GFCI's must be installed in the locations as folllows: (Give 2 exceptions)
1- Bathrooms 2- Kitchen counter top 3- Garage 4- Unfinished Basements 5- Crawl Spaces 6- With 6 feet of sinks(Laundry, wet bar, ETC.) 7- Outside 8- Boathouse
210.8(a)(1)-(8) GFCI Dwelling units GFCI's must be installed in the locations as folllows: (Give all 8 locations)
1- Outside 2- Bathrooms 3- Kitchens 4- Rooftops 5- Sinks
210.8(a)(1)-(8) GFCI other than Dwelling units GFCI's must be installed in the locations as folllows: (Give all 5 locations)
habitable rooms
210.8(a)(2) GFCI locations --- Garages, and also accessory buildings that have a floor located at or below grade level not intended as _______________ _____________ and limited to storage areas, work areas, or similar.
(1) 8 AWG copper 6 AWG Aluminum (2) 8 AWG copper 6 AWG Aluminum (3) 4 AWG copper 2 AWG Aluminum
215.2 (NYC) minimum Feeder/ service sizes 1- Minimum Feeder size feeding a dwelling unit ____(1)_____ copper or _____(1)_____ aluminum 2- Minimum Service drop conductor size ____(2)_____ copper or _____(2)_____ aluminum 3- Minimum Service lateral conductor size ____(3)_____ copper or _____(3)_____ aluminum
(1) 3-wire (2) 2 sets (3) 5-wire
215.4(a) Feeders with common neutral conductors ---- Up to Three sets of ______(1)_____ feeders or ______(2)_____ of 4 wire or _______(3)_____ feeders shall be permitted to utilize a common neutral
1200 VA
220.14(f)----Sign and Outline lighting shall be calculated at a minimum of ___________ volt amperes for each required branch circuit
(1) 18" inches (2) 12 liner feet
220.14(g) Show windows---- One receptacle outlet installed within ___(1)_____ pf the top and _______(2)_____ or major fraction thereof.
1500 VA
220.14(m)(NYC) Air Condition Circuits --A load not less than _______(1)_______ shall be included with each 2-wire circuit, this load shall be permitted to be included with the general lighting load.
(1) Glass (2) Porcelain knobs (3) 4" inches
225.11 Open Conductors supports ---- Open conductors shall be supported on ______(1)______ or _______(2)______ ______(2)______, racks, brackets, or strain insulators. c) Separation of other circuit- open conductors shall be separated from open conductors of other circuits or systems by not less than _______(3)______
12' feet
225.18 Clearness of over head conductors under 600 volts --- over residential property & driveways; commercial areas not subject to truck traffic; not exceed 300 volts to ground
15' feet
225.18 Clearness of over head conductors under 600 volts ----- Areas listed in 12' foot classification where voltage exceeds 300 volts to ground
18' feet
225.18 Clearness of over head conductors under 600 volts ----- Over public streets, alleys,roads, parking areas subject to truck traffic, driveways on other than residential property
(1) 10 AWG (2) 8 AWG (3) 50 feet (4) 8 AWG (5) 6 AWG (6) Messenger wire
225.6(a)(1) Overhead snaps ---- for 600 volts nominal or less ________(1)______ copper or ______(2)_____ aluminum for spans up to ________(3)______ in length and _______(4)_____ copper or ______(5)_______ aluminum for a longer span unless supported by _______(6)______ _______(6)_______.
(1) 10 AWG (2) 8 AWG
230.31 exception (NYC) ------ Conductors supplying only limited loads of a single branch circuit such as poly-phase power, controlled water heaters, and similar loads- shall not be smaller than ________(1)_______ copper or ______(2)_______ aluminum
(1) 4 AWG (2) 2 AWG
230.31(NYC) Service Lateral Minimum size- The conductors shall not be smaller than _____(1)_____ copper or ____(2)_____ aluminum.
Approved (1) Rigid Metal Conduit (2) IMC Not Approved (1) EMT (2) PVC
230.50 (NYC) All Service entrance Conductors other than underground service entrance conductors shall be protected against physical damage Approved by NYC (name two) Not Approved by NYC (name two)
(1) point of entry (2) outside (3) four
230.70(a)(1)(NYC) The Service disconnecting means shall be installed at a readily accessible location inside of a building or structure nearest the _______(1)_______ _____ _______(1)_____ or the service conductors. Exception: Service disconnecting means may be installed on the _____(2)_____ of a residential building of one through ______(3)_____ dwelling units
(1) 60 Amps
230.79 ---- All others shall not have a rating not less than ________(1)______
(1) 3-wire (2) 100 amps
230.79 ---- One-family dwellings for a one-family dwellings, the service disconnecting means shall have a rating of not less _________(1)________, _________(2)______
one circuit installation
230.79 Rating of service disconnecting means --- for installations to supply only limited loads of a single branch circuits, the service disconnecting mean shall have a rating of not less than 15 amps (give term)
(1) 2-wire (2) 30 amps
230.79(b) --Two-circuit installation for installations consisting of not more than two _______(1)____ branch-circuits, the service disconnecting means have a rating of not less than ______(2)_____ amps
1- Instrument transformer 2- impedance shunts 3- load management devices 4- surge arresters 5-Type 1 surge -protective devices
230.82 Equipment connected to the supply side of the service disconnect Give 5 Devices or (equipment)
(1) WYE (2) 150 (3) 600 (4) 1000 amps (5) Grounding Electrode
230.95 GFPE ----Ground fault protection of equipment shall be provided for solidly grounded _______(1)_____ electric services of more than ______(2)_____ volts to ground but exceeding ________(3)_____ volts phase-to-phase for each service disconnect rated ______(4)______ or more. The grounded conductor of the wye system shall be connected directly to ground through a _____________(5)________ _______(5)______ system
601 amps
240.10 (a) (NYC) Where the service over-current protection device(OPCD) rating or setting is above _________ amps, such device shall be selectively coordinated with the next downstream OCPD
10 Times
240.21 Feeder Taps Taps not over 10 feet long, the rating of the over-current device on the line side of the tap conductors shall not exceed __________ ________ the ampacity of the tap conductor.
1/3 one thrid
240.21 Feeder Taps Taps not over 25 feet, the ampacity of the tap conductor is not less than_________
(1) 50' feet (2) 100' feet
240.5(2) fixture wires can be tapped to following circuits: 1- 20 Amp - 18 AWG, up to _____(1)___ of run length 2- 20 Amp - 16 AWG, up to _____(2)___ of run length
(1) 125 volts (2) 150 volts
240.50(a) Plug fuses shall be permitted to used in the following circuits: (1) Circuits not exceeding _____(1)____ volts between conductors (2) Circuits supplied by a system having a grounded neutral point where the line-to-neutral voltage does not exceed _____(2)___ volts
hexagonal
240.50(c) Plug fuses of 15-amp and lower rating shall be identified by a ________________ configuration of the window, cap, or other prominent part to distinguish them from fuses of higher amp ratings
S
240.53 Type ______ fuses shall be of the plug type and shall comply with 240.53(a)&(b)
125 volts
240.53(a) --- Type S fuses shall classified at not over ______ volts and 0-15 amps, 16-20 amps, 21-30 amps.
Edison-Base
240.54(a) --- Type S adapters shall fit _________-______ fuseholders
cannot be removed
240.54(c) ---Type S adapters shall be designed so that once inserted in a fuseholder, they __________ _____ _______
15, 20, 25, 30, 35, 40, 45, 50, 60, 70, 80, 90, 100, 110, 125, 150, 175, 200, 225, 250, 300, 350, 400, 450, 500, 600, 700, 800, 1000, 1200, 1600, 2000, 2500, 3000, 4000, 5000, & 6000 Amps
240.6 Standard AMP ratings for Circuit breakers Give all Standard Rated size Circuit breakers
1, 3, 6, 10, 601
240.6 Standard AMP ratings for Fuses Give all Standard Rated size Fuses
(1) barrel (2) Labeled (3) 10,000 amps
240.60(c) ----Fuses shall be plainly marked, either by printing on the fuse ____(1)_____ or by a ____(2)_____ to the barrel showing: Interrupting rating where other than _______(3)________ amps
(1) & (2) Parallel
240.8 ----fuses and circuit breakers shall be permitted to be connected in ________(1)______ where they are factory assembled in _________(2)______ and listed as a unit.
1- Grounding Electrode 2- Grounding Electrode conductor 3- Grounding service conductor 4- Equipment grounding terminal in the service equipment
285.23(b) Type 1 SPD at the service ---When installed at services, the grounding conductor of type 1 SPD shall be connected to one of the following: (give all 4)
30' feet
285.25 Type 3 SPD ---Type 3 SPD shall be permitted to be installed anywhere on the load side of branch-circuit over current protection up to the equipment served provided the connection is a minimum __________ of conductor distance from the service or separately derived system disconnect
Class 2
300.11(b)(2) Where the raceway contains power supply conductors for electrically controlled equipment and is used to support ____________ circuit conductors or cables that are solely for the purpose of connection to the equipment control circuits
(1) 18" inches (2) 10' feet
312.5(3) Cables- where cables are used, each cable shall be secured to the cabinet, cutout box, or meter socket. Exception: Cables with entirely non-metallic sheaths shall be permitted to enter the top or a surface mounted enclosure through one or more non-flexible raceways not less than _____(1)______ and not more than _____(2)______ in length
once for each conductor
314.16(b)(1) Box Fill Calculations (1)Conductor Fill for spliced conductors and conductors passing through the box shall be counted __________
Twice
314.16(b)(1) Box Fill Calculations Each loop or coil unbroken conductor not less than twice the minimum length required for free conductors shall be counted _____________
Single
314.16(b)(2) Box Fill Calculations ----Where one or more internal cable clamps are present in the box a ____________ volume allowance will apply
Single
314.16(b)(3) Box Fill Calculations -----Where one or more luminaire studs or hickeys are present in the box, a ____________ volume allowance will apply
double
314.16(b)(4) Box Fill Calculations ----For each yoke or strap containing one or more devices or equipment, a ____________ volume allowance of the largest conductor connected to the device will apply
single
314.16(b)(5) Box Fill Calculations ----- Where one or more equipment grounding conductors and equipment bonding jumpers enter a box , a _____________ volume of the largest equipment grounding conductor.
(1) 50 pounds (2) 6 pounds (3) two #6
314.27(a) ------- Boxes used at luminaire or lamp-holder outlets in a ceiling shall be designed for the purpose and shall be required to support__________(1)______ pounds. Exception: a wall-mounted luminaire weighing not more than ________(2)_______ pounds shall be permitted to be supported on other boxes or plaster rings that are secured to other boxes, with no fewer than _________(3)_______ _______(3)__________ or larger screws
(1) 50 pounds (2) 50 pounds (3) independently (4) marked
314.27(b) -----outlet boxes or fittings designed for the support of luminaires and installed as required shall be permitted to support a luminaire weighing _____(1)_____ pounds or less. A luminarie that weighs more than _______(2)_____ shall be supported _________(3)________of the outlet box unless the outlet box is listed and __________(4)_______ for the maximum weight o be supported.
35 pounds
314.27(d) Ceiling Paddle fan outlet Listed outlet boxes to support ceiling-suspended fans that weigh more than ____________ pounds shall have their allowable weight marked on the box
(1) #4 AWG (2) #4 AWG
314.28(a) Minimum Size For raceways containing conductors of ________(1)______ or larger that are required to be insulated, and for cables containing conductors of ________(2)______ or larger, the minimum dimensions of pull or junction boxes installed in a raceway or cable run shall comply
(1) Electric (2) over 100 pounds
314.30(d) ---Handhole enclosures covers shall have an identifies the function of the enclosure such as "________(1)______". Handhole enclosure covers shall require the use of tools to open, or they shall weigh over ______(2)_____ pounds
(1) 48 times (2) 32 times
314.71(a) Over 600 volts ---- for straight pulls- the length of the box shall not be less than ___(1)______ times the outside diameter, over sheath, of the largest shielded or lead-covered conductor entering the box. The length shall not be less than _______(2)______ times the outside diameter of the largest non-shielded conductor or cable
(1) Psychical damage (2) Damp or Wet (3) masonry block or tile walls (4) corrosive (5) Brick or other masonry
320.12 AC Cable Uses not permitted (1) Where subject to _________(1)______ ______(1)__________ (2) In ______(2)____ or _______(2)_____ locations (3) In Air voids of ______(3)_____ ______(3)____ or ______(3)____ where such walls are exposed or subject to excessive moisture or dampness (4) Where exposed to ______(4)_____ fumes or vapors (5) Embedded in plaster finish on ________(5)____ or ______(5)_____ in damp or wet locations
5 times
320.24 --Bends in type AC cable shall be made such that the cable is not damaged. The radius of the curve of the inner edge of any bend shall not be less than ____________ times the diameter of the type AC cable
(1) 30 amps (2) exposed (3) physical damage (4) 8' feet
322.10 Type FC (Flat cable) Uses permitted (1) as branch circuits to supply suitable tap devices for lighting, small appliances, or small power loads. The rating of the branch circuit shall not exceed _______(1)____. (2) Where installed for _____(2)____ work (3) In locations not subject to _______(3)______ ___(3)_____ where flat cable assembly is installed less than ______(4)_____ above the floor or fixed working platform it shall be protected by a cover identified for the use
(1) corrosive vapors (2) Elevators or escalators (3) hazardous (4) damp or wet
322.12 FC type (uses not permitted) (1) Where subject to _____(1)_____ _________(1)____ unless suitable for the application (2) In hositways or on _____(2)_____ or _____(2)_____ (3) In Any ________(3)_____ location (4) Outdoors or in _______(4)_____ or _______(4)_____ locations unless identified for the use
under carpet square
324.1 Scope- -----This article covers a field installed wiring system for branch circuits incorporating Type FCC cable and associated accessories as defined by the article. The wiring system is designed for installation ________(1)______ _____(1)_______ _____(1)_____
(1) outdoors (2) corrosive (3) hazardous (4) Hospitals, Residential, and Schools
324.12 FCC (uses not permitted) (1)_________(1)_____ or wet locations (2) Where subject to _________(2)_____ vapors (3) In any ________(3)_______ locations (4) In _______(4)_____, _______(4)___________, and ________(4)_____ buildings
(1) Wet and dry locations (2) in raceways
328.10 Type MV cable shall be permitted for use on power systems rated up to 35,000 volts nominal as follows: (1)_____________ (2)_____________
(1) Direct Sunlight (2) cable trays (3)Direct - buried (4) Messenger-supported wiring
328.12 MV cable (uses not permitted) (1) Where exposed to __________(1)_____ _______(1)_____ (2) In ______(2)_____ ______(2)______ (3) _________(3)________ (4) ________(4)__________
two family dwellings Multifamily dwellings that do not exceed three floors above grade
334.10 NM Cable (Uses Permitted) (1) One and __________(1)_____ _______(1)_____ _______(1)_____ (2)Multifamily dwellings ________(2)_____ _______(2)_____ _______(2)_____
(1) SE (service entrance) (2) USE (underground service entrance)
338.2 Definitions Service-entrance cable having a flame-retardant moisture-resistant covering = Type _______(1)_________ Service-entrance cable, identified for under-ground use, having a moisture-resistant covering, but not required to have a flame-retardant covering = Type________(2)____
1 1/2" inch
390.3(b) Flat-top raceways over 4"inch but not over 8"inch wide with a minimum of 1"inch spacing between raceways shall be covered with concrete o a depth of not less than 1"inch. Raceways spaced less than 1"inch apart shall be covered with concrete to a depth of _____________.
1- Resistive and inductive loads that do not exceed the amp & volt rating of the switch 2- Tungsten-filament lamp loads do not exceed the amp rating of the switch at 120 volt 3- Motor loads that do not exceed 80% of the amp & voltage rating of the switch
404.14(a)(1, 2, 3) --- Alternating-Current General use snap switches are permitted to control. (Give all 3 permissions)
36" inches or 3' feet
408.18(a) --For switchboards that are not totally enclosed, a space of __________ or more shall be provided between toe top of the switchboard and any combustible ceiling
(1) 1/2" inch (2) 3/4" inch
408.60(d)(NYC) Grounding switchboard frames --- This ground bus shall have a minimum cross section _______(1)_______ square inch of copper or ________(2)_____ square inch of aluminum. The contact surface of the equipment ground connections shall provide an effective electrical ground path for fault currents
(1) 5' feet (2) 30 volts
410.151(c)(8) ----Lighting track shall not be installed less than _______(1)______ above the finished floor except where protected from physical damage or where the track operates at less ______(2)_____ volts RMS open voltage
3" inches
410.68 ----Branch circuit conductors within ___________ of a ballast shall have an insulation temperature rating not lower than 90 degrees Celsius.
50 amps
422.11(c) --- Infrared lamps for commercial and industrial heating appliances shall have over-current protection not exceeding
(1) 18" inches (2) 36" inches
422.16(b)(4)(NYC) Combination range hood/ microwave oven ---- The length of the cord is not less tan ______(1)______ and not over_______(2)______
1/3 Horsepower
430.81(b) ---- For a portable motor rated at ___________ HP or less, controller shall be permitted to be an attachment plug and receptacle
115%
440.12(a)(1) Hermetic Refrigerant Motor compressor --- The amp rating shall be at least _____________ percent of the nameplate current selection current, whichever is greater
(1) 50 volts (2) 5 minutes
460.28(a) means of discharge ----A means shall be provided to reduce the residual voltage of a capacitor to _______(1)_____ volts or less with _____(2)_____ minutes after the capacitor is disconnected from the source of supply
1- operating over 100 volts 2- likely to become energized 3- subject to personal contact
517.13 In patient areas, the grounding terminals of all receptacles and all non current carrying conductive surfaces of fixed electrical equipment __________ shall be connected to an insulated copper equipment grounding conductor (name all three)
(1) 4 (four) (2) Hospital Grade
517.18 General Care Area ---Each patient bed location shall be provided with a minimum of ________(1)_______ receptacles. They shall be permitted to be of the single or duplex types. All receptacles shall be listed "__________(2)_____"
3 Duplex 6 single
517.19(b) ---What is the minimum number of duplex receptacles required for each patient bed in the critical care area of the hospitals?
Group C
517.61(5) ---In health care facility, receptacles, and attachment plugs in hazardous(classified) location with an anesthetizing area be listed for use in Class I, Group ____________
Locking Type
525.23(b) Carnivals, Circuses, Fairs & similar events--- Receptacles that only facilitate quick disconnecting and reconnecting of electrical equipment shall not be required to be provided with GFCI protection. These receptacles shall be of the __________ _________.
(1) GFCI (2) Duplex
620.23 (NYC)---At least one ___(1)__ 15A or 20A ____(2)____ receptacle shall be provided in each elevator machine space or control space
(1) separate (2) Load
620.24 (NYC) -- A ___(1)___ branch circuit shall supply the hoist-way pit lighting and receptacles required lighting and/or sump pump shall not be connected to the __(2)__ side of a ground fault circuit interrupter
12" inches
625.22 --- Where cord-and-plug connected electric vehicle supply equipment is used, the interrupting device of a listed personnel protection system shall be provided and shall be an integral part of the attachment plug or shall be located in the power supply cable not more than _______ from the attachment plug
(1) 18" (2) 4 feet
625.29(B)--- Electric Vehicle supply equipment locations when the site is indoors, the coupling meas of the electric vehicle supply equipment shall be stored or located at the height of not less than ___(1)___ inches and not more than ___(2)___ feet above the parking surface
(1) 24" (2) 4 feet
625.30(B)--- Electric Vehicle supply equipment locations when the site is outdoors, the coupling meas of the electric vehicle supply equipment shall be stored or located at the height of not less than ___(1)___ inches and not more than ___(2)___ feet above the parking surface
voltage
725.179 Listing and marking of class 2, class 3 and type PLTC cables. ----- ____________ ratings shall not be marked on the calbes
CL2 or CL3
725.179(c) ----Type ______ or ______ respectively, and be listed as suitable for general-purpose use, with the exception of risers, ducts, plenums, and other space used for environmental air, and shall also be listed as being resistant to the spread of fire.
6' feet
830.44 ---Where practicable, a separation of at least _______ shall be maintained between any network-powered broadband communications cables s and lightning conductors
(1) 24" inches (2) 60%
Chapter 9 Table 1 Notes Note (4) ---Where conduit or nipples having a maximum length not to exceed ____(1)_____ are installed between boxes, cabinets, and similar enclosures, the nipples shall be permitted to be filled to ___(2)_____ percent of the their cross-sectional area, and adjustment factors need not apply to this condition
Weatherproof
Constructed or protected so that exposure to the weather will not interfere with successful operation.
Watertight
Constructed so that moisture will not enter the enclosure under specified test conditions.
Rainproof
Constructed, protected, or treated so as to prevent rain from interfering with the successful operation of the apparatus under specified test conditions.