NCCER Electrical 26105-20 Exam Questions with Correct Answers
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Course
NCCER Electrical
Institution
NCCER Electrical
NFPA 70, also known as the ____. It is one of the most important tools for electricians. When used together with local and state laws, it provides the minimum requirements for the installation of electrical systems. - Answer-National electric code (NEC)
The primary purpose of the ____ is the pra...
NCCER Electrical 26105-20 Exam
Questions with Correct Answers
NFPA 70, also known as the ____. It is one of the most important tools for electricians.
When used together with local and state laws, it provides the minimum requirements for
the installation of electrical systems. - Answer-National electric code (NEC)
The primary purpose of the ____ is the practical safeguarding of persons and property
from hazards arising from the use of electricity. A thorough knowledge is one of the first
requirements for becoming a trained electrician. - Answer-NEC
The NEC has a rich history, from its conceptual beginnings in the late ____ century to
its wide adoption today, the NEC has become the primary driver for ensuring the safe
installation of electrical systems. - Answer-19th
In ____ the National association of fire engineers met in Richmond, Virginia. From this
meeting came the idea to draft the first National Electric Code. - Answer-1881
The first nationally recommended electrical code was published by the ____ (now
known as the American insurance Association) in 1895. - Answer-National board of Fire
Underwriters
By 1896 ___ (NELA) was working to make the requirements of the fire insurance
organizations and electrical utilities fit together. - Answer-National Electric Light
Association
In ____ the NFPA takes over publishing the NEC from NBFU. - Answer-1962
____ (NRTLs) are product safety certification laboratories. These labs perform
extensive testing of new products to make sure they are built to establish standards for
electrical and fire safety. - Answer-Nationally Recognized Testing Laboratories
____ publishes a list of NRTLs. - Answer-OSHA
____ founded in 1926, is made up of companies that manufacture equipment used for
generation, transmission, distribution, control, and utilization of electric power. - Answer-
NEMA
The objectives of NEMA are to ___ and ___ the quality and reliability of products, to
ensure safety standards in the manufacture and use of products, and to develop
product standards covering matters such as naming, ratings, performance, testing, and
dimensions. - Answer-Maintain , Improve
, Two organizations that play critical roles in world wide electrical standards are ___ and
____. - Answer-(IEC) and (IEEE)
Today, the NEC is administered by the ____. - Answer-(NFPA)
The internet address to submit input for the NEC is ____. - Answer-www.nfpa.org/70
In order to make best use of the NEC, you must first become familiar with its structure.
The NEC is organized into ___ chapters, followed by informative annexes, the index, a
schedule for the next code cycle, and info on submitting proposed changes. - Answer-
Nine (9)
The main body of the NEC begins with Article ____, introduction. This provides an
overview of the NEC. Topics covered in this article include:
Purpose of the NEC
Scope of code book
Code arrangement
Enforcement
Mandatory rules, permissive rules, and explanatory material
Formal interpretation
Examination of equipment for safety
Wiring planning
Units of measurement - Answer-90
Headings for each NEC application are written in ____. - Answer-Bold Black letters
_____ explain the circumstances under which a specific part of the NEC does not apply,
and are written in italics. - Answer-Exceptions
_____ explains something in an application, suggest other sections to read about the
application, or provides tips about the application. - Answer-Informational note
____ may be included with explanations to show how an application might appear. -
Answer-Figures
____ often included to provide more detailed application requirements, such as for
different wire sizes, box size, or motor types. - Answer-Tables
In addition to different types of text, the NEC contains two types of rules, ____ and
____. - Answer-Mandatory, permissive
The chapters of the NEC are organized into ____ major categories. - Answer-Five (5)
The chapters ___ present the rules for the design and instillation of electrical systems.
A) 5,6, and 7
B) 8
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