Articles 100,110,200 ( definitions/ requirements for installations/ grounded conductors)

6 milliamp

A class A GFCI protection device is designed to trip when the ground fault current ground is_______ or higher.

Damp location

A location partially protected under a canopy is considered a _______ .

26 inches

Access openings in manholes shall not be less than ______ .

two

All network compartments must have at least _____ means of accces.

#6AWG

An insulated grounded conductor of _____ or smaller shall be identified by a continuous white or gray outer finish or by three continuous white stripes ,other than green insulation along its entire length.

Receptacle outlet

An opening in an outlet box where one or more receptacles have been installed is called _______ .

6"

Equipment associated with the electrical installation can be located above or below other electrical equipment within their working space when the associated equipment does not extend more than ______ from the front of the electrical equipment.

Listed

Equipment or materials included in a list published by a testing laboratory acceptable to the authority having jurisdiction is said to be ______.

6'6"

For equipment rated 1200 A or more and over 6 feet wide that contains over current devices switching devices or control devices there shall be one entrance to an egress from the required working space not less than 24 inches wide and_____ high at each end of the working space .

Grounded conductor

No _____ shall be attached to any terminal or lead so as to reverse designated polarity

Dedicated spaces

Or switchboards panel board and motor control centers shall be located in _____ and protected from damage.

Identified

Recognized as suitable for the specific purpose ,function ,use ,environment ,and application is the definition of _____ .

Panic hardware

The NEC requires egress doors on electric rooms to have _______ in case of an arc flash or burn.

6"

The floors of vaults in contact with the earth shall be of concrete that is not less than _____ thick.

36"

The minimum allowed workspace where rear access is required is ______ .

6 feet

The vertical headroom in cabling workspaces (manhole) shall not be less than ____ .

30"

The working space in front of electric equipment shall not be less than_____ wide, or the width of the equipment which ever is greater

1000'

Tunnels over 600 volts shall ground and bond all metal raceways at intervals not exceeding ______ .

White or gray

When leads are supplied with lampholders , the conductor attached to the screw shell shall have a _____ finish.

50'

When this code specifies that one equipment shall be insight from or within sight, equipment must not be more than______.

White with colored stripes other than green or distinguished by other suitable approved means

Where conductors of different systems are installed in the same raceway ,one system shall have a neutral having an outer covering of white or natural gray and each other system having a neutral shall have another covering of _________ .

Grounding electrode

A device that establishes an electrical connection to the earth.

Swing outward with simple pressure

A door used by personnel to exit the workspace that is less than 25 feet from the working space shall _____ .

Elevation of 8 feet

According to the NEC bare live parts are guarded from the public in the following manners ; by suitable permanent substantial partitions, by location on a suitable balcony , gallery , or platform, and by _______ .

Feeder

All circuit conductors between the service equipment, the source of a separately derived system, or other power supply source and the final branch-circuit overcurrent device are called ______ .

Requirements for electrical installations

Article 110 contains _______ .

Use and identification of grounded conductors

Article 200 contains _________ ,

Orange

On a four wire delta connected system where the midpoint of one phase winding is grounded only the conductor or bus bar having the higher phase voltage to ground shall be durably and permanently marked by an outer finish that is_____ in color.

4'

The dimensions of working space for access to live parts operating at 300 V nominal to ground where there are exposed live parts on both sides of the workspace is______.

3 1/2'

The required working space for access to live parts operating at 300 V to ground where there are exposed live parts on one side and grounded parts on the other side is______

36"

Cabling workspace (manhole) shall have a minimum _____ workspace where cables are on both sides

30"

Cabling workspaces (manhole ) shall have a minimum _____ of workspace where cables are on one side.

Copper

Conductors shall be of ______ material , unless otherwise provided.

10 AWG

Connection by means of wire binding screws studs or nuts having upturned lugs or the equivalent shall be permitted for _____ or smaller conductors.

Reinforced concrete with a three hour fire rating ( no studs )

Electrical vaults constructed for the protection of equipment shall be constructed with ______ and / or with an automatic halon or carbon dioxide fire suppression system.

Return conductor

In a single pole or three way switch, a white conductor may be re-identified to supply the switch but not as a______.

Physical damage

In locations where electrical equipment is likely to be exposed to. ______ , Enclosures and guards shall be so arranged and in such strength as to prevent such damage.

1200 amps

Large equipment is rated ____ or more and must be 6 foot wide

A protective barrier or a fixed ladder shall be provided

Manhole openings for personnel shall be located where they are not directly above electrical equipment or conductors in the enclosure. Where this is not practicable ,________ .

Coordination

Means that the devices with the lowest ratings , closest to the fault, operate and isolate the fault, and minimize disruption so the rest of the system can remain energized and functional