Level Two First Exam

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

Equipment that is capable of being reached for operation, renewal, and inspection defines _________.

Accessible (as applied to equipment)

If sufficient ventilation can't be obtained in a confined space, you should use a(n) _____.

Air Line Respirator

All 15A and 20A, 125V, single-phase receptacles installed in bathrooms of _____ shall have GFCI protection for personnel.

All occupancies

Locking out equipment is completed when_____________.

All power sources that can be locked out are locked out.

"____________" means acceptable to the authority having jurisdiction

Approved

In addition to the number of branch circuits required by other parts of 210.11, at least one 120V, 20A branch circuit shall be installed to supply receptacle outlets in _______ garages with electric power.

Attached and detached

"________________" is a device or group of devices that govern, in some predetermined manner, the electric power delivered to the apparatus to which it is connected.

Controller

GFCI protection shall be provided for lighting outlets not exceeding 120 volts installed in _________.

Crawl Spaces

(T/F) The dedicated space above a panelboard extends to a dropped or suspended ceiling, which is considered a structural ceiling.

False

Chapter 1 through 4 of the NEC apply _____________.

Generally to all electrical installations.

The type of eye protection that should be used to guard against dust particles is _______________.

Goggles

Shock can result when your body is _____________.

In contact with two wires of an electric circuit

A laundry area is a area containing or designed to contain a __________.

Laundry tray, clothes washer, clothes dryer ( any of these )

_________ _conductors shall not be used for more than one branch circuit, one multiwire branch circuit, or more than one set of ungrounded feeder conductors except as allowed elsewhere in the Code.

Neutral

(T/F) All single-phase receptacles rated 150V to ground or less, 50A or less and three-phase receptacles rated 150V to ground or less, 100A or less installed in locker rooms with associated showering facilities shall be GFCI protected.

True

(T/F) An individual 20A branch circuit can supply a single dwelling unit bathroom for receptacle outlet(s) and other equipment within the same 210.11(C)(3).

True

(T/F) Chapter 5, 6, and 7 apply to special occupancies, special equipment, or other special conditions and may supplement or modify the requirements in chapters 1 through 7.

True

(T/F) Listed or labeled equipment shall be installed and used in accordance with any instructions included in the listing.

True

In devices or utilization equipment with polarized connections, identification of terminals to which a neutral conductor is to be connected shall be substantially __________ or silver in color.

White

Receptacles shall have the terminal intended for connection to the grounded conductor identified by a metal or metal coating that is substantially white or silver in color or by the word "_________"

White

The continuity of a grounded conductor shall not depend on a connection to __________.

a metallic enclosure, a raceway, cable armor (all of these)

All switchboards, switchgear, panelboards, and motor control centers shall be located in dedicated spaces and protected from damage, and outdoor installations shall be

a.installed in identified enclosures b.protected from accidental contact by unauthorized personnel or by vehicular traffic c.protected from accidental spillage or leakage from piping systems (All of these)

Installations used to export electric power from vehicles to premises wiring or for ______________ current flow are covered by the NEC.

bidirectional

Guest rooms or guest suites provided with permanent provisions for _____ shall have receptacle outlets installed in accordance with all of the applicable requirements for a dwelling unit in accordance with 210.52.

cooking

The screw shell of a luminaire or lampholder shall be connected to the _________.

grounded conductor

GFCI protection shall be provided for all 15A and 20A, 125V, single-phase receptacles _________ in dwelling unit kitchens.

installed to serve the countertop surfaces and within 6 ft from the top inside edge of the bowl of the sink

For one- and two-family dwellings, at least one receptacle outlet shall be installed in each

separate unfinished portion of a basement, attaches or detached garage with electric power, and accessory building with electric power (all of these)

Receptacle outlets are required for kitchen countertops and work surfaces _______ inches and wider

12

Receptacle outlets in or on floors shall not be counted as part of the required number of receptacle outlets for dwelling unit wall spaces, unless they are located within _______ In of the wall.

18

In a dwelling unit, a receptacle is required in any space _____ ft or more in width (including space measured around corners) and unbroken along the floor line by doorways and similar openings, fireplaces, and fixed cabinets that do not have countertops or similar work surfaces.

2

There shall be a minimum of one ______ branch circuit for the laundry outlet(s) required by 210.52(F).

20A

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, pantry, or similar dining areas.

20A

For large equipment 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 in. wide.

24

A meeting room measuring 12 ft x 18 A requires __________ floor receptacle outlets.

3

All switchboards, switchgear, panelboards, and motor control centers shall be located in dedicated spaces and protected from damage and, for outdoor installations, the space equal to the width and depth of the cquipment and extending from grade to a height of _____ ft above the equipment, shall be dedicated to the electrical installation.

6

In other than dwelling units, GFCI protection shall be provided for all 125V through 250V receptacles supplied by single-phase branch circuits rated 150V or less to ground, 50A or less, where receptacles are installed within ______ ft of the top inside bowl of sink

6

The minimum height of dedicated equipment space for motor control centers installed indoors is _______ ft above the enclosure, or to the structural ceiling whichever is closer.

6

At least one receptacle outlet not more than _____ ft above a balcony, deck, or porch shall be installed at each balcony, deck, or porch that is attached to and accessible from a dwelling unit.

6.5

Conductors shall have their ampacity determined using the _______ column of table 310.16 for circuits rated over 100A, or marked for conductors larger than 1 AWG, unless the equipment terminals are listed for use with higher temperature rated conductors.

75

The ________ has the responsibility for deciding on the approval of equipment and materials.

Authority Having Jurisdiction

Article 210 provides the general requirements for _____.

Branch Circuits

Four basic components are needed for a fire to start and they are _____________.

Fuel, an ignition source, oxygen, and a chain reaction

All 125V through 250V receptacles supplied by singlc-phase branch circuits rated 150V or less to ground installed in dwelling unit boathouses shall have a ________ protection for personnel.

GFCI

In other than dwelling locations, GFCI protection is required for all single-phase receptacles rated 150V to ground or less, 50A or less and three-phase receptacles rated 150V to ground or less, 100A or less in ________.

Indoor damp and wet locations, locker rooms with associated showering facilities, garages, service bays, and similar areas other than vehicle exhibition halls and showrooms. (All of these)

The conductors connected to the direct-current input of an inverter are known as the _______________.

Inverter Input Circut

For equipment rated 800A or more that contains overcurrent devices, switching devices, or control devices; and where the entrance to the working space has a personnel door(s) less than 25 ft from the nearest edge of the working space, the door shall_____

Move to the direction of egress and be equipped with panic hardware

On a 4-wire, delta-connected system where the midpoint of one phase winding phase voltage-to-ground shall be durably and permanently marked by an outer finish that is 110.14(C) (1)(b) (2) is grounded, only the conductor or busbar having the higher in color.

Orange

(T/F) Communications wiring such as telephone, antenna, and CATV wiring within a building shall not be required to comply with the installation requirements of Chapters 1 through 7, except where specifically referenced in chapter 8.

True

(T/F) In other than dwelling units, GFCI protection shall be provided for all outdoor single-phase receptacles rated 150V to ground or less, 50A or less and threc-phase receptacles rated 150V to ground or less, 100A or less.

True

(T/F)Field markings of maximum available fault current at a service are not required in industrial installations where conditions of maintenance and supervision ensure that only qualified persons service the equipment.

True


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