NEC article 90

The Code contains provisions considered necessary for safety, which will not necessarily result in _____.

Efficient use, convenience, and good service or future expansion of electrical use

The NEC applies to the installation of ________.

Electrical conductors and equipment within or on public and private buildings. Signaling and communication conductors Optical fiber cables

Compliance with the Code and proper maintenance result in an installation that is _________.

Essentially free from hazards, not necessarily efficient or convenient, not necessarily adequate for good service or future expansion

This Code covers the installation of _____ for public and private premises, including buildings, structures, mobile homes, recreational vehicles, and floating buildings.

Optical fiber cables, electrical equipment, raceways

Which of the following systems shall be installed and removed in accordance with the NEC requirements?

Signaling conductors, equipment, and raceways// communications conductors, equipment, and raceways // Electrical conductors, equipment, raceways

Electrical hazards often occur because initial_______did not provide for increases in the use of electricity and therefore wiring systems become overloaded.

Wiring

Compliance with the provisions of the NEC will result in ________.

an electrical system essentially free from hazard

The NEC is _______.

for the practical safeguarding of persons and property

Hazards often occur because of ...

overloading of wiring systems by methods of usage not in conformity with the NEC and initial wiring not providing for increases in the use of electricity