ATS Virtual Town Hall December 2025

Article 90

100

Compliance with the Code and proper maintenance result in an installation that is: essentially free from hazard, not necessarily efficient or convenient, and not necessarily adequate for good service or _______ _______.

Future expansion

Reference: 90.2(B)

200

Chapter 8 covers ______ systems and is not subject to the requirements of Chapters 1-7 unless specifically referenced in Chapter 8.

communications

Reference: 90.3

300

Nonmandatory information relative to the use of the NEC is provided in informative annexes and are included for information purposes only and are not ______ ______ of the Code.

enforceable requirements.

Reference: 90.5(D)

400

Except to detect alterations or damage, qualified electrical testing laboratory listed factory-installed ______ wiring of equipment does not need to be inspected for NEC compliance at the time of installation.

internal

Reference: 90.7

Article 100

100

A conductor installed on the supply side of a service or within a service equipment enclosure, or for a seperately derived system, to ensure the required electrical conductivity between metal parts required to be electrically connected is known as the ______.

supply-side bonding jumper

Reference: 100 Bonding Jumper, Supply-Side (Supply-Side Bonding Jumper)

200

Type ______ cable is a fabricated assembly of insulated conductors in a flexible interlocked metallic armor. 

AC

Reference: 100 Cable, Armored (Type AC) (Armored Cable)

300

An enclosed panelboard is an assembly of buses and connections, ______ ______, control apparatus with or without switches, or other equipment, installed in a cabinet, cutout box, or enclosure suitable for a panelboard application.

overcurrent devices

Reference: 100 Panelboard, Enclosed

400

Service conductors are the conductors from the service point to the ______.

service disconnecting means

Reference: 100 Service Conductors

Article 110

100

The ______ ______ ______, total impedance, equipment short-circuit current ratings, and other characteristics of the circuit to be protected shall be selected and coordinated to permit the circuit protective devices used to clear a fault to do so without extensive damage to the electrical equipment of the circuit.

overcurrent protective devices

Reference: 110.10

200

Some ______ can cause severe deterioration of many plastic materials used for insulating and structural applications in equipment.

cleaning and lubricating compounds

Reference: 110.11 Informational Note 2

300

Connectors and terminals for conductors more finely stranded than Class B and Class C, as shown in Chapter 9, Table 10, shall be ______ for the specific conductor class or classes. 

identified

Reference: 110.14

400

Electrical equipment such as switchboards, switchgear, enclosed panelboards, industrial control panels, meter socket enclosures, and motor control centers, which are in other than dwelling units, and are likely to require examination, adjustment, servicing, or maintenance while ______, shall be field or factory marked to warn qualified persons of potential electric arc-flash hazards.

energized

Reference: 110.16(A)

Article 200

100

Article 200 provides the requirements for identification of terminals, grounded conductors in premises wiring systems, and identification of ______ ______.

grounded conductors

Reference: 200.1(1), (2), and (3)

200

Where more than one neutral conductor is associated with different circuits in an enclosure, they shall be identified or grouped to correspond to the ______ ______ ______.

ungrounded circuit conductors

Reference: 200.4(B)

300

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

6 AWG

Reference: 200.6(A)(1), (2), and (3)

400

Where grounded conductors of different nominal voltage systems are installed in the same raceway, cable or enclosure, each grounded conductor shall be identified to distinguish systems by a continuous white or gray outer finish, a grounded conductor with an outer covering of white or gray with a distinguishable colored stripe other than ______, or other identification allowed by 200.6 (A) or (B) that distinguishes each nominal voltage system grounded conductor.

green

Reference: 200.6(D)(1), (2), and (3)

Article 200 (continued)

100

The insulated grounded conductors in a multiconductor cable ______ or larger, is permitted to be re-identified at the time of installation at its terminations in accordance with 200.6(B).

4 AWG

Reference: 200.6(E) and 200.6(B)(4)

200

A conductor with continuous ______ or ______ covering, or with three continuous white or gray stripes on other than green insulation, or with marking of white or gray color at the termination shall be used only for the grounded circuit conductor, unless otherwise permitted in 200.7(B) and (C).

white, gray

Reference: 200.7(A), (A)(1), (2), and (3)

300

The white conductor within a cable assembly can be used for an ______ conductor where permanently re-identified to indicate its use as an ungrounded conductor at each location where the conductor is visible and accessible.

ungrounded

Reference: 200.7(C)(1)

400

For devices with screw shells, the terminal for the ______ ______ shall be the one connected to the screw shell.

grounded conductor

Reference: 200.10(C)