Article 90 (3 pages, 28 questions) Flashcards
Article 90 - 2008
The NEC is
for the practical safeguarding of persons and property
Compliance with the provisions of the NEC will result in
an electrical system essentially free from hazard
the Code contains provisions considered necessary for safety, which will not necessarily result in
All of these:
-efficient use
-convenience
-good service or future expansion of electrical use
hazards often occur because of
-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
the Code isn’t a design specification standard or instruction manual for the untrained and unqualified
TRUE
the following systems shall be installed in accordance with the NEC requirements
ALL of these
-signaling
-communications
-electrical conductors, equipment, and raceways
the NEC applies to the installation of
ALL of these
-electrical conductors and equipment within or on public and private buildings
-outside conductors and equipment on the premises
-optical fiber cables
This Code covers the installation of ____ for public and private premises, including building, structures, mobile homes, recreational vehicles, and floating building
ALL of these:
-optical fiber cables
-electrical equipment
-raceways
the NEC does not cover electrical installations in ships, watercraft, railway rolling stock, aircraft, or automotive vehicles
TRUE
the Code covers underground mine installations and self propelled mobile surface mining machinery and its attendant electrical trailing cable
FALSE
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
are not
Electrical utilities may include entities that install, operate, and maintain____
A or B
-communicatios systems (telephone, CATV, internet, satellite, or date services)
-electric supply systems
(generation, transmission, or distribution systems)
utilities may be subject to compliance with codes and standards covering their regulated activities as adopted under governmental law or regulation
TRUE
utilities may include entities that are designated or recognized by governmental law or regulation by public service/ utility commissions
TRUE
the NEC does not apply to electric utility -owned wiring and equipment
consisting of service drops installed by utility
chapter 1 through 4 of the NEC apply ______
generally to all electrical installations
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)
TRUE
the material located in the NEC annexes are part of the code and shall be complied with
FALSE (info purposes only)
the AHJ shall not be required to enforce any requirements of Chapter 7 (signaling conditions) or Chapter 8 (Communications systems)
FALSE
the _____ has the responsibility for deciding on the approval of equipment and materials
AHJ
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
TRUE
the AHJ has the responsibility
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
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
AHJ
in the NEC, the words _____ indicate a mandatory requirements
shall AND shall not
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
shall be permitted
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)
TRUE
*they are not enforcable
factory-installed ____ wiring of equipment need not be inspected at the times of installation of the equipment, except to detect alterations or damage
INTERNAL
compliance with either the metric or the inch-pound unit of measurement system shall be permitted
TRUE
