Chapter 6

Pataasin ang iyong marka sa homework at exams ngayon gamit ang Quizwiz!

Labels or markings of PV system raceways and enclosures shall be suitable for the environment and be placed with a maximum of _____ ft of spacing.

10

Outlets in or around pool areas shall be not less than _____ ft from the inside walls of the pool.

10 ft

Listed flexible metal conduit or listed liquidtight flexible metal conduit that encloses the secondary circuit conductor from a transformer or power supply for use with neon tubing shall be permitted as a bonding means if the total accumulative length of the conduit in the secondary circuit does not exceed _____ ft.

100

In PV systems, where a single overcurrent device is used to protect a set of two or more parallel-connected module circuits, the ampacity of each of the module interconnection conductors shall not be less than the sum of the rating of the single overcurrent device plus _____ percent of the short-circuit current from the other parallel-connected modules.

125

Transformers that supply a fire pump motor shall be sized no less than _____ percent of the sum of the fire pump motor(s) and pressure maintenance pump motors, and 100 percent of associated fire pump accessory equipment.

125

Bonding conductors used for the bonding connections of the noncurrent-carrying metal parts of signs shall not be smaller than _____ AWG.

14

The bottom of sign and outline lighting system equipment shall be at least _____ ft above areas accessible to vehicles unless protected from physical damage.

14

The voltage at the line terminals of a fire pump motor controller shall not drop more than _____ percent below the controller's normal rated voltage under motor-starting conditions.

15

Wet-niche luminaires shall be installed with the top of the luminaire lens not less than _____ in. below the normal water level of the pool.

18

Each commercial occupancy accessible to pedestrians shall have at least one sign outlet in an accessible location at each entrance to each tenant space supplied by a branch circuit rated at least _____.

20A

A working space not less than 3 ft high by 3 ft wide by _____ ft deep is required for each ballast, transformer, electronic power supply, and Class 2 power source where not installed in a sign.

3

Junction boxes for pool lighting shall be located not less than _____ ft from the inside wall of a pool unless separated by a fence or wall.

4

Luminaires installed above new outdoor pools or the area extending _____ ft horizontally from the inside walls of the pool shall be installed at a height not less than 12 ft above the maximum water level of the pool.

5

Metal conduit and metal piping within _____ ft horizontally of the inside walls of the pool shall be bonded unless separated by a permanent barrier.

5

Switching devices shall be at least _____ ft horizontally from the inside walls of a pool unless the switch is listed as being acceptable for use within 5 ft.

5

When a fire pump motor operates at 115 percent of its full-load current rating, the supply voltage at the load terminals of the fire pump controller shall not drop more than _____ percent below the voltage rating of the motor connected to those terminals.

5

Manufactured wiring systems constructed with Type MC cable shall be supported and secured at intervals not exceeding _____ ft.

6

Receptacles shall be located not less than _____ ft from the inside walls of a storable pool, storable spa, or storable hot tub.

6

At least one 15A or 20A, 125V receptacle on a general-purpose branch circuit shall be located a minimum of _____ and a maximum of 10 ft from the inside wall of a spa or hot tub installed indoors.

6 ft

For electric vehicle equipment more than _____ or more than 150 volts to ground, the disconnecting means shall be provided and installed in a readily accessible location.

60A

Outlets supplying all permanently installed nonsubmersible fountain pump motors rated 250V or less and _____ or less, single- or three-phase, shall be provided with ground-fault circuit-interrupter protection.

60A

Article _____ covers the installation of large-scale PV electric supply stations with a generating capacity of not less than 5,000 kW and not under the electric utility control.

691

In addition to the requirements in 210.8, all receptacles installed for the connection of electric vehicle charging shall have arc-fault circuit-interrupter protection.

False

Outlets supplying all pool motors on branch circuits rated 150V or less to ground and 60A or less, single- or three-phase, shall be provided with _____ protection.

GFCI

The branch circuit(s) supplying the lighting for an elevator machine room/machinery space shall be separate from the branch circuit(s) supplying the receptacle(s). The required lighting shall not be connected to the load side of a(an) _____.

GFCI

The electric motor and controller for an electrically operated pool cover shall be _____.

GFCI protected

Conductors that supply electric vehicle supply equipment shall be sized for continuous duty and have a rating of not less than 125 percent of the maximum load of the electric vehicle supply equipment.

True

Electric swimming pool equipment shall not be installed in pits that do not have drainage that prevents water accumulation during normal operation and equipment shall be suitable for the environment in accordance with 300.6.

True

Only wiring, raceways, and cables used directly in connection with an elevator shall be permitted inside the hoistway and the machine room.

True

The electric vehicle supply equipment located outdoors shall be located to permit direct electrical coupling of the EV connector to the electric vehicle.

True

Wiring methods described in 680.14 shall be _____ for use in corrosive environments.

a and c

Luminaires installed in a fountain shall _____.

be capable of being removed from the water for relamping or normal maintenance

Metal equipment of signs, outline lighting, and skeleton tubing systems shall be grounded by connection to the _____ of the supply branch circuit(s) or feeder using the types of equipment grounding conductors specified in 250.118.

equipment grounding conductor

Where the equipment is listed for charging electric vehicles that require ventilation for _____ charging, mechanical ventilation, such as a fan, shall be provided. The ventilation shall include both supply and exhaust equipment and shall be permanently installed and located to intake from, and vent directly to, the _____.

indoor, outdoors

A(An) _____ shall be located at the point of entry to an elevator machine room.

lighting switch

Underground wiring shall not be permitted under a pool unless this wiring is necessary to supply pool equipment permitted by Article 680, and the _____ cover depths shall be as given in Table 300.5.

minimum

Each sign and outline lighting system shall be controlled by an externally operable switch or circuit breaker that opens all ungrounded conductors simultaneously on _____ branch circuits.

multiwire

For signs with a retrofitted illumination system, the sign shall be marked that the illumination system has been _____.

replaced

"Wireless Power Transfer Equipment (WPTE)" is equipment consisting of a charger power converter and a primary pad that are _____.

separate units or contained within one enclosure

A _____ branch circuit shall supply the elevator car lights and shall be permitted to supply receptacles, accessory equipment (alarm devices, alarm bells, monitoring devices not part of the control system), auxiliary lighting power source, and ventilation on each elevator car.

seperate

A disconnecting means for a sign, outline lighting system, or controller shall be marked to identify the _____, outline lighting system, or controller it controls.

sign

Signs and outline lighting systems shall be listed and labeled, marked with the _____.

all of these

Which of the following wiring methods and enclosures that contain photovoltaic power source conductors shall be marked " PHOTOVOLTAIC POWER SOURCE" or

all of these

Article 695 covers the installation of the electric power sources and interconnecting circuits, and the switching and control equipment dedicated to drivers for _____.

fire pumps

At least one lighting outlet containing a switch or controlled by a wall switch shall be installed in attic spaces containing ballasts for electric signs. At least one _____ shall be at the usual point of entry to these spaces. The lighting outlet shall be provided at or near the equipment requiring servicing.

point of control

Hydromassage bathtub electrical equipment shall be _____ without damaging the building structure or building finish.

accessible

All 125V, single-phase, 15A and 20A receptacles installed in _____ for elevators, dumbwaiters, escalators, moving walks, lifts, and chairlifts shall have ground-fault circuit-interrupter protection for personnel.

all of these

Article 600 covers the installation of conductors, equipment, and field wiring, retrofit kits, and outline lighting, regardless of voltage for _____.

all of these

Electric vehicle supply equipment includes the conductors and electric vehicle connectors, _____ installed specifically for the purpose of transferring energy between the premises wiring and the electric vehicle.

all of these

The PV system disconnecting means shall have ratings sufficient for the _____ that is available at the terminals of the PV system disconnect.

all of these

The PV system equipment means shall have ratings sufficient for the _____ that is available at the terminals of the PV system disconnect.

all of these

A single means for disconnecting all ungrounded main power supply conductors for each _____ shall be provided and be designed so that no pole can be operated independently.

any of these

All electric motor-driven fire pump control wiring shall be in _____.

any of these

All wiring from the controllers to the fire pump motors shall be in _____, listed Type MC cable with an impervious covering, or Type MI cable.

any of these

Article 625 covers the electrical conductors and equipment connecting an electric vehicle to premises wiring for the purposes of _____.

any of these

The disconnecting means for a sign or outline lighting system shall be permitted to be located at the point of entry to a sign and the disconnect shall be located at the point the feeder circuit or branch circuit(s) supplying a sign or outline lighting system enters a _____.

any of these

Fire pump supply conductors on the load side of the final disconnecting means and overcurrent device(s) can be routed through a building(s) using _____.

any of these (maybe)

Large-scale PV electric supply stations are only permitted to be accessible to _____ personnel.

authorized

Electric vehicle power export equipment and electric vehicle supply equipment are sometimes contained in one piece of equipment, sometimes referred to as a(an) _____ EVSE.

bi-directional

Each outlet installed for the purpose of charging electric vehicles shall be supplied by an individual _____ circuit that shall have no other outlets.

branch

Metal piping systems associated with a fountain shall be bonded to the equipment grounding conductor of the _____.

branch circuit supplying the fountain

For permanently installed pools, a GFCI shall be installed in the branch circuit supplying luminaires operating at more than the low-voltage _____.

contact limit

Branch circuits that supply signs shall be considered to be _____ loads for the purposes of calculations.

continuous

Where the disconnecting means for a sign or outline lighting is not located within sight of the _____, a permanent field-applied marking identifying the location of the disconnecting means shall be applied to the controller in a location visible during servicing and the warning label shall comply with 110.21(B).

controller

Wiring methods in a _____ environment in areas covered by Article 680, shall be listed and identified for use in such areas.

corrosive

A manufactured wiring system is a system assembled by a manufacturer, which cannot be inspected at the building site without _____.

damage or destruction to the assembly

The engineered design required for large-scale PV electric supply stations, shall document _____ procedures and means of isolating equipment.

disconnection

Flexible cords and flexible cables, where connected to moving parts of tracking PV arrays, shall be exempt from the provisions of Article 400.

false

PV system equipment and disconnecting means are permitted to be installed in a bathroom, when listed for the application.

false

Large-scale PV electric supply stations shall be restricted by _____ or other means in accordance with 110.31.

fencing

The location of the sign and outline lighting system feeder or branch-circuit disconnect is intended to allow service or maintenance personnel and _____ complete and local control of the disconnecting means.

first responders

Signs with a retrofitted illumination system equipped with tubular light-emitting diode lamps powered by the existing sign sockets shall include a label visible during relamping that includes a warning not to install _____ lamps.

fluorescent

A kit consisting of primary parts, which does not include all the parts for a complete subassembly but includes a list of required parts and installation instructions to complete the subassembly for a sign in the field is called a "_____ kit."

general use retrofit

The _____ of a junction box, transformer enclosure, or other enclosure in the supply circuit to a wet- niche or no-niche luminaire and the field-wiring chamber of a dry-niche luminaire shall be connected to the equipment grounding terminal of the panelboard.

grounding terminals

Transformers or power supplies supplying low-voltage gas-fired luminaires, decorative fireplaces, fire pits, and similar equipment shall be _____ in accordance with the requirements in 680.24.

installed

A disconnect shall not be required for branch circuit(s) or feeder conductor(s) passing through the sign where not accessible and enclosed in a Chapter 3 _____ raceway or metal-jacketed cable identified for the location.

listed

A(An) _____ surge protection device shall be installed in or on the fire pump controller.

listed

All equipment covered by the scope of Article 625 shall be _____.

listed

Electric vehicle supply equipment _____ as suitable for charging electric vehicles indoors without ventilation is permitted indoors.

listed

Field-installed skeleton tubing lighting shall not be required to be _____ where installed in conformance with the Code.

listed

Manufactured wiring systems and associated components shall be _____.

listed

Neon tubing, other than _____, readily accessible to pedestrians shall be protected from physical damage.

listed, dry-location, portable sign

The disconnecting means for an elevator or escalator shall be an enclosed externally operable circuit breaker or fused motor circuit switch that is _____ in accordance with 110.25.

lockable only in open position

Ground-fault protection of equipment shall _____ in any fire pump power circuit.

not be installed

At least _____ 125V, single-phase, 15A or 20A, duplex receptacle(s) shall be provided in the elevator hoistway pit.

one

A section sign is a sign or _____, shipped as subassemblies that requires field-installed wiring between the subassemblies to complete the overall sign.

outline lighting system

When a fire pump is supplied by an individual source, the _____ shall be rated to carry indefinitely the sum of the locked-rotor current of the largest fire pump motor and the full-load current of all of the other pump motors and accessory equipment.

overcurrent protective devices(s)

A disconnect shall not be required at the point of entry to a sign enclosure or sign body for branch circuit(s) or feeder conductor(s) that supply an internal _____ in a sign enclosure or sign body.

panelboard(s)

After the completion of permanently installed swimming pools, the authority having jurisdiction shall be permitted to require _____ inspection and testing.

periodic

The lighting switch for hoistway pits shall be readily accessible from the _____.

pit access door

In the interior of a dwelling unit or in the interior of another building or structure associated with a dwelling unit, any of the wiring methods recognized or permitted in Chapter 3 of this Code shall be permitted to be used for the connection to the motor disconnecting means and the motor, heating, and control loads that are part of a self-contained _____ or a packaged spa or hot tub equipment assembly.

spa or hot tub

Article 620 covers the installation of electrical equipment and wiring used in connection with elevators, dumbwaiters, escalators, moving walks, platform lifts, and _____.

stairway chairlifts

Transformers and power supplies used for the supply of underwater luminaires, together with the transformer or power supply enclosure, shall be listed, labeled, and identified for _____ use.

swimming pool and spa

A spa or hot tub is a hydromassage pool or tub and is generally not designed to have the contents drained or discharged after each use.

true

Large-scale PV electric supply stations are only permitted to be accessible to authorized personnel, and electrical circuits and equipment shall be maintained and operated by qualified personnel.

true

The PV maximum source circuit current is calculated by multiplying the sum of the short-circuit ratings of the parallel-connected PV module-rated short-circuit currents by 125 percent.

true

Where multiple PV systems are in or on a single building or structure remotely located from each other, a directory in accordance with 705.10 shall be provided at each PV system disconnecting means.

true

Where PV source and output circuits operating at over 30V are installed in readily accessible locations, circuit conductors shall be guarded or installed in _____.

type MC cable or a raceway

Each sign and outline lighting system feeder conductor(s), or branch circuit(s) supplying a sign, outline lighting system, or skeleton tubing shall be controlled by an externally operable switch or circuit breaker that opens all _____ conductors and controls no other load.

ungrounded

The markings required on signs and outline lighting systems in 600.4(A) shall be permanent, durable, and _____ when installed in wet locations.

weatherproof


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