Article 90 (3 pages, 28 questions)

Question 1

The NEC is

Answer 1

for the practical safeguarding of persons and property

Question 2

Compliance with the provisions of the NEC will result in

Answer 2

an electrical system essentially free from hazard

Question 3

the Code contains provisions considered necessary for safety, which will not necessarily result in

Answer 3

All of these:

-efficient use

-convenience

-good service or future expansion of electrical use

Question 4

hazards often occur because of

Answer 4

-overloading of wiring systems by methods or usage not in conformity with the NEC

-initial wiring not providing for increases in the use of electricity

Question 5

the Code isn’t a design specification standard or instruction manual for the untrained and unqualified

Answer 5

TRUE

Question 6

the following systems shall be installed in accordance with the NEC requirements

Answer 6

ALL of these
-signaling
-communications
-electrical conductors, equipment, and raceways

Question 7

the NEC applies to the installation of

Answer 7

ALL of these
-electrical conductors and equipment within or on public and private buildings
-outside conductors and equipment on the premises
-optical fiber cables

Question 8

This Code covers the installation of ____ for public and private premises, including building, structures, mobile homes, recreational vehicles, and floating building

Answer 8

ALL of these:
-optical fiber cables
-electrical equipment
-raceways

Question 9

the NEC does not cover electrical installations in ships, watercraft, railway rolling stock, aircraft, or automotive vehicles

Answer 9

TRUE

Question 10

the Code covers underground mine installations and self propelled mobile surface mining machinery and its attendant electrical trailing cable

Answer 10

FALSE

Question 11

installations of communications equipment that are under the exclusive control of communications utilities, and located outdoors or in building spaces used exclusively for such installations ___covered by the NEC

Answer 11

are not

Question 12

Electrical utilities may include entities that install, operate, and maintain____

Answer 12

A or B

-communicatios systems (telephone, CATV, internet, satellite, or date services)

-electric supply systems
(generation, transmission, or distribution systems)

Question 13

utilities may be subject to compliance with codes and standards covering their regulated activities as adopted under governmental law or regulation

Answer 13

TRUE

Question 14

utilities may include entities that are designated or recognized by governmental law or regulation by public service/ utility commissions

Answer 14

TRUE

Question 15

the NEC does not apply to electric utility -owned wiring and equipment

Answer 15

consisting of service drops installed by utility

Question 16

chapter 1 through 4 of the NEC apply ______

Answer 16

generally to all electrical installations

Question 17

communications wiring such as telephone, antenna, and CATV wiring within a building shall not be required to comply with the installation requirements of Chapter 1 through 7, except where it is specifically referenced in Chapter 8 (90.3)

Answer 17

TRUE

Question 18

the material located in the NEC annexes are part of the code and shall be complied with

Answer 18

FALSE (info purposes only)

Question 19

the AHJ shall not be required to enforce any requirements of Chapter 7 (signaling conditions) or Chapter 8 (Communications systems)

Answer 19

FALSE

Question 20

the _____ has the responsibility for deciding on the approval of equipment and materials

Answer 20

AHJ

Question 21

by special permission, the AHJ may waive specific requirements in this Code where it is assured that equivalent objectives can be achieved by establishing and maintaining effective safety

Answer 21

TRUE

Question 22

the AHJ has the responsibility

Answer 22

ALL of these:

-for making interpretations of rules
-for deciding upon the approval of equipment and materials
-for waiving specific requirements in the Code and permitting alternate methods

Question 23

if the NEC requires new products that are not yet available at the time a new edition is adopted, the ______ may permit the use of the products that comply with the previous edition of the code adopted by that jurisdiction

Answer 23

AHJ

Question 24

in the NEC, the words _____ indicate a mandatory requirements

Answer 24

shall AND shall not

Question 25

when the Code uses _____, it means the identified actions are allowed but not required, and the AHJ is not to restrict an installation from being done in that manner

Answer 25

shall be permitted

Question 26

explanatory material, such as references to the related sections of the NEC, or information related to a Code rule, are included in the form of Fine Print Notes (FPNs)

Answer 26

TRUE

*they are not enforcable

Question 27

factory-installed ____ wiring of equipment need not be inspected at the times of installation of the equipment, except to detect alterations or damage

Answer 27

INTERNAL

Question 28

compliance with either the metric or the inch-pound unit of measurement system shall be permitted

Answer 28

TRUE