MOD 2
A fountain is defined as an ornamental structure or recreational water feature from which one or more jets or streams of water are discharged into the air, including splash pads and _____ pools
A ) 100 Fountain
Where conductors in parallel are run in ______ raceways(s), the raceways(s) shall have electrical characteristics .
A ) 310.10 (G)(3)
The rating of any one cord and plug connected utilization equipment on a 15A , 120V branch circuit shall not exceed______
A) 210.21(B)(2) Table
Wiring protection requirements for Class 2 emergency circuits shall not apply to locked rooms or locked enclosures that are accessible only to _______
A) 700.11 (D) Ex 2
For communications circuit wiring in _____, the requirements of 300.22(C)(3) shall apply
A) 800.3 (D)
Coaxial cable can have a maximum voltage of ______
A) 820.15
Article ______ covers use and application, arrangement, and enforcement of the National Electrical Code.
A) 90.1
A transformer supplies power to a 100A panelboard with 2 AWG THWN -2 conductors . The size of the bonding jumper in copper required to bond the building steel to the secondary conductor is ________
A)250.104(D)(1) and (2), 250.102(C)(1) Table
A _____ equipment grounding conductor required for a 15A branch circuit that provides power for a low- voltage lighting system
A)250.122 Table
Plug fuses of the Edison -Base type shall be used only ______
B) 240.51 (B)
A ____ is a point on the wiring system at which current is taken to supply utilization equipment
C) 100 Outlet
An appliance receptacle outlet installed for a specific appliance shall be installed within ____ of the intended location of the appliance
C) 210.50(C)
Kitchen and dining room countertop receptacle outlets in dwelling units shall be installed on or above the countertop or work surface, but not more than _____ in. above the countertop or work surface.
C) 210.52(C)(3)(1)
When sizing a service or feeder for fixed appliances in dwelling units, a demand factor of 75 percent of the total nameplate ratings can be applied if there are _____ or more appliances fastened in place
C)220.53
Power - Limited circuits installed in _______ shall comply with 300.22.
D) ( 300.22 ) — Ducts, plenums, & other space used for environmental air
Wiring methods permitted for service-entrance conductors include_____
D) 230.43(3), (5), and (11)
Circuit conductors other than service conductors ,shall not be installed in the same _____ as the services conductors .
D) 230.7
Unless specifically permitted in 240.(E) or G , the overcurrent protection for 14 AWG copper-glad aluminum conductors shall not exceed 10A provided that _______
D) 240.4(D)(3)(1) and (2)
Trade size 2MC run straight with threaded couplings shall be supported at intervals not exceeding ______
D) 344.30(B)(2)
The flexible cord for a in-sink waste disposer shall have an equipment grounding conductor and terminate with an _______ attachment plug
D) 422.16(B)(1)(4)
Boxes and fittings must be ________ for Class I, Division 1 locations.
D) 501.10(A)(3)
No wiring of any type shall be installed in ducts used to transport _____.
D)300.22(A)
Emergency equipment for emergency systems shall be ____ and located so as to minimize the hazards that might cause complete failure due to flooding, fires, icing , and vandalism
D)700.12 (B)
A receptacle is considered to be in a location protected from the weather when located under roofed open porches, canopies marquees, and the like, where it will not be subjected to ________.
(C) 406.9 (A)
When the modifications to the electrical installation occur that affect the available fault current at the service , the available fault current shall be verified or _____ as necessary to ensure the service equipment ratings are sufficient for the available fault current at the line of terminals of the equipment
A) 110.24(B)
In dwelling units and guest rooms or guest suites, voltage shall not exceed 120V for cord and plug equipment connected to loads rated________.
A) 210.6 (A)(2)
The lighting load unit values of Table 220.42(A) are based on minimum load conditions and ______ power factor and might not provide sufficient capacity for the installation contemplated
A) 220.42(A) Note
The vertical clearance of final spans of overhead conductors above or within ______ measures horizontally of platforms, and projections or surfaces that will permit personal contact shall be maintained in accordance with 225.18
A) 225.19(D)(2)
Where the service equipment for areas of nursing homes and limited care facilities used exclusively as _______ is replaced a surge-protective device( SPD) shall be installed.
A) 230.67(A)(4)and 230.67(D)
Ground fault protection of equipment shall be provided for solidly grounded wye electrical services of more than 150V to ground, but not exceeding 1,000V phase-to-phase for each service disconnecting means not rated _____ or more
A) 230.95
If service conductors are connected in parallel in three separate metal raceways, with 600 kcmil conductors per phase, the supply -side bonding jumper size for each service raceway
A) 250.102(C)(2), 250.102(C)(2)(1), and Table 250.102(C)(1)
A grounded conductor shall not be connected to normally noncurrent - carrying metal parts of equipment, to grounding conductor(s), or be reconnected to ground on the load side of the ______ except as otherwise permitted
A) 250.24(B)
NM cable on a wall of unfinished basement installed in a listed raceway shall have a ________ installed at the point where the cable enters the raceway
A) 334.15 (C)
Splices and taps in surfaces metal race ways without raceways without removable covers shall be made only in ______.
A) 386.56 — Boxes
All switches and circuits breakers used as switches shall be located so that they can be operated from a readily______ place.
A) 404.8 (A) 1. Accessible
Receptacles of ______, 125V and 250V installed in a wet location shall have an enclosure that is weatherproof weather or not the attachment plug cap is inserted.
A) 406.9(B)(1)
A recessed luminarie that is not identified for contact with insulation shall have all recessed parts spaced not less than____ from combustible materials.
A) 410.116(A)(1)
Where a waste disposer is cord -and -plug connected, the receptacles shall be _____ to protect against physical damage to the flexible cord
A) 422.16(B)(1)(2)
A conduit run between a conduit seal and the point at which the conduit leaves a Class I, Division 1 location shall contain no union , coupling, box, or other fitting except for a listed _____ reducer installed at the conduit seal.
A) 501.15 (A)(4)
Where used for emergency systems, the shorts-circuit current rating of the transfer equipment, based on the specific overcurrent protective device type and settings protecting the transfer equipment, shall be field be marked on the _____ of the transfer equipment
A) 700.5(F)
Where used for legally required standby systems, the short- circuit current rating of the transfer equipment, based on the specific overcurrent protective device type and setting protecting the transfer equipment, shall be field marked on the ____ of the transfer equipment
A) 701.5(D)
Manual and nonautomatic transfer equipment for optional stand by systems require_____ interventions
A) 702.4 (A)(1) Informational Note
Interconnected power production installations with multiple co-located power production sources shall be permitted to be ______ as a group(s)
A) 705.10(1) Ex
The installation and maintenance of energy storage systems (ESS) equipment and all associated wiring and innerconnections shall be performed only by______
A) 706.3
Cable used in a wet location and be marked wet or location have a moisture impervious______ sheath.
A) 722.179(A)(11)
For the purpose of bundling cables transmitting power and data, one example of the used cables for Class 2 and Class 3 circuits that transmit power and data is the connection of _____
A) 725.144 Informational note 1
_____ fire alarm cables selected in accordance with Table 760.154 and installed in accordance with 722.135 and 300.22(B) Ex, shall be permitted to be installed in ducts specifically fabricated for environment air
A) 760.3(B) Ex 1
The ____ portion of abandoned optical fiber cables shall be removed
A) 770.25
The bonding conductor or grounding electrode conductor for a radio/ television receiving station antenna system shall be protected where subjected to physical damage , and where installed in a metal raceway, both ends of the raceway shall bonded to the _______ conductor.
A) 810.21 (D)
Unpowered equipment and enclosures or equipment power by coaxial cable shall be considered ___ where connected to the metallic cable shield.
A) 820.103
_____ Is, for grounded circuits, the voltage between the given conductor and that point or conductor of the circuit that is grounded ; for ungrounded circuits, the greatest voltage between the given conductor and any other conductor of the circuit
B) 100 Voltage to Ground
If the supplemental electrode is a rod, pipe, or plate electrode , that portion of the bonding jumper that is the sole connection to the supplemental grounding electrode is not required to be larger than_____ copper.
B) 250.53(E)
If _____, a grounding electrode conductor or its enclosure shall be securely fastened to the surface on which it is carried
B) 250.64(B)
Ferrous metal raceways for grounding electrode conductor shall be bonded at each end of the raceway or enclosure to the grounding electrode or grounding electrode conductor to create a _______ parallel path
B) 250.64(E)(1)
_______ insulated conductors shall not be subjected to ampacity adjustment where installed exposed to direct sunlight on a rooftop
B) 310.15(B)(2) Ex
USE cable is not permitted for ______ wiring.
B) 338.12(B)(1) — Interior
Lumunaires located where subject to bathroom shower spray shall be marked suitable for _______ locations
B) 410.10(D)(2)
Where no secondary overcurrent protection is used, a 480V, 50A transformer shall have an individual overcurrent device on the primary side rated at maximum ______ of the rated primary current of the transformer.
B) 450.3(B) Table
Emergency system sources of power shall be such that, in the event of normal supply to, or within , the building or group of buildings concerned emergency lighting, emergency power ,or both shall be available within the time required for applications but not exceed ______
B) 700.12
An emergency systems shall have adequate ______ in accordance with Article 220 or by another approved method
B) 700.4 (A)
A legally required standby system shall have adequate capacity in accordance with Article _______ or by another approved method
B) 701.4(B)
Meter- mounded optional standby systems transfer switches installed between the _____ and the meter enclosure shall be listed meter-mounted transfer switches.
B) 702.5(B)
An emergency management system (EMS) in accordance with 705.30, shall be permitted to limit current and loading on the busbars and conductors supplied by the output of one or more interconnected electric power productions sources or ______ sources.
B) 705.13
Equipment containing overcurrent devices supplied from the interconnected electric power production sources shall be marked to indicate the presences of _____
B) 705.30(C)
There shall be a minimum of one additional _______ branch circuit for dwelling unit laundry receptacle outlet(s)
B)210.11(C)(2)
Class III locations are those that are hazardous ( classified) because of the presences of ______.
B)500.5(D)(1)(a)
Supplementary overcurrent protective devices are not permitted to be used_______
C) 240.10
A Surge- protective device shall not installed in circuits over _______.
C) 242.6 (1) — 1,000V
If an ac system operating at 1,000V or less is grounded at any point, the _____ shall be routed with the ungrounded conductors to each disconnecting means grounded conductor(s) terminal or bus .
C) 250.24(D)
The connection of the system bonding jumper for a separately derived system shall be made ____ on the separately derived system from the source to the first system disconnecting means or overcurrent device.
C) 250.30 (A)(1)
For grounded systems, normally noncurrent-carrying conductive materials enclosing electrical conductors shall be connected together and to the ______ to establish an effective ground fault current path
C) 250.4(A)(3)— 1. Electrical Supply Source
The largest size copper grounding electrode conductor required based on Table 250.66 is
C) 250.66 Table
Where direct- buried conductors and cables emerge from grade, they shall be protected by the enclosures or raceways to a point at least _____ above finished grade.
C) 300.5(D)(1)
Direct- buried conductors, cables, or raceways which are subject to movement by settlement or frost shall be arranged to prevent damage to the _______ or to equipment connected to the raceways
C) 300.5(J)
RMC smaller than trade size _____ or larger than trade _____ shall not be used.
C) 344.20 (A) & (B)— Not smaller than 1/2" & not larger than 6"
PVC smaller than trade size ______ or larger than trade size ______ shall not be used.
C) 352.20(A) and (B)
PVC conduit trade sizes 1 and 1/4 to 2 shall be supported no greater than _____ between supports .
C) 352.30 (B) and Table 352.30 (B)
Snap switches shall not be grouped or ganged in enclosures unless the voltage between adjacent devices does not exceed______, or unless installed with the identified barriers between adjacent devices
C) 404.8(B)
incandescent luminaires with ______ enclosed lamps and pendant luminaries or lampholder's shall not be permitted in clothes closets storage spaces
C) 410.16(C)
If a branch circuit supplies a single nonmotor- operated appliance, the rating of overcurrent protection shall not exceed ______ of the appliance rated current if the overcurrent protection rating is not marked and the appliance is rated over 13.30 A
C) 422.11 (E) (3)
The branch- circuit conductor(s) ampacity shall not be less than ______ of the load of the fixed electric space -heating equipment and any associated motors
C) 424.4 (B) — 125 percent
The maximum rating of the overcurrent protective device for 14 AWG motor control wiring that extends beyond the enclosure is ____
C) 430.72(B)(2) Table, Column C
For each floor area inside minor repair garage where ventilation is not provided and class I liquids or gaseous fuels are not transferred or dispensed, the entire area up to a level of _____ above the floor is considered to be a class I, Division 2 Location.
C) 511.3 (C) Table
For circuit sizing and current calculations of PV systems, the maximum PV inverter output circuit current is equal to the inverter _____ output current rating
C) 690.8(A)(1)(a)(2)(c)
The emergency power source shall be suitable and rating and capacity to supply and maintain the total load for the duration determined by the systems design and in no case shall the duration be less than _______ of the systems operation unless used for emergency illumination in 700.12(C)(4) or equipment in 700.12(H)
C) 700.12(C)
Where two interconnected electric power production sources are located at the opposite ends of a bus bar that contains loads, the sum 125 percent of the power- sources output circuit current and the rating of the overcurrent device protecting the busbar shall not exceed ____ of the busbar ampere rating
C) 705.12 (B)(2)
Where interconnected electric power production sources output connections are made at either end of a _____ panelboard in dwellings, it shall be permitted where the sum 125 percent of the power - sources output circuit current and the rating of the overcurrent devices protecting the busbar does not exceed 120 percent of the busbar ampere rating
C) 705.12(B)(4)
The purpose of the NEC is for ____
C) 90.2(A)— The practical safeguarding of persons and property
Electrical wiring, raceways, and cables used directly in connection with an elevator shall be permitted inside the hoistway, machine rooms, control rooms, machinery spaces and control spaces, including wiring for ______
D) 620.37(A)(2),(3), and (4)
Article 645 does not apply unless an information technology equipment room contains_________
D) 645.4(1),(2),and (5)— 1. Disconnecting means complying with 645.10, 2. Separate heating / ventilation / air-conditioning ( HVAC ) system. 3. Separation by fire-resistant rated walls, floors, & ceilings
Single- Conductor PV system cables with ____ insulation marked sunlight resistant can be used to connect photovoltaic modules in outdoor locations with the PV array.
D) 690.31 (C)(1)(a) and (a)(2)
All wiring from the controllers to the fire pump motors shall be in _____ listed MC cable with an impervious covering or MI cable
D) 695.6(D)(1)
Wiring from an emergency source or emergency source distribution overcurrent protection to emergency loads shall be kept independent of all other wiring and equipment except in ______
D) 700.10 (B)(1), (2), and (3)
Wiring of Class 2 emergency circuits shall comply with the requirements of 300.4 and be installed in an _______
D) 700.11(D)
Wiring protection requirements for Class 2 emergency circuits shall not apply to wiring that do not exceed ____ in length and that terminate at an emergency luminaire or an emergency lighting control device
D) 700.11(D) Ex 1
For _____ dwelling units, a sign shall be placed at the disconnecting means required in 230.85 that indicates the location of each permanently installed on-site optional standby power source disconnected or means to shut down the prime mover as required in 445.19 (C)
D) 702.7 (A)
Where an EMS employed to control electrical power through the use of a remote means, a directory identifying the controlled devices(s) and circut(s) shall be posted on the ______.
D) 750.5
The maximum breaker size on the supply side of the fire alarm transformer is ____
D) 760.127
Communication cables installed ________ on the surface of ceilings and sidewalls shall be supported by the building structure in such a manner that the cable will not be damaged by normal building use
D) 800.24(A)
Nonmandatory information relative to the use of the NEC is provided in informative annexes and are _______
D) 90.5 (D)
