Question 1

The purpose of the  National Electrical Code is the practical ________ of persons and property from hazards arising from the use of electricity.
A) Principles
B) Safeguarding
C) Fundamentals
D) Protection

Accepted Answer

The purpose of the National Electrical Code is the practical safeguarding of persons and property from hazards arising from the use of electricity.

Question 2

When an article in the National Electrical Code is significantly large it is divided into __________.
A) parts
B) chapters
C) subsections
D) lists

Accepted Answer

Articles in the National Electrical Code (NEC) that are significantly large are divided into parts to help organize and clarify the information.

Question 3

The National Electrical Code is intended as a design specification and instruction manual for untrained persons.

Accepted Answer

The National Electrical Code is not intended as a design specification and instruction manual for untrained persons. It is a set of safety guidelines and requirements for the installation of electrical systems, and is intended for use by trained professionals in the electrical industry.

Question 4

The National Electrical Code is revised and updated every five years.

Accepted Answer

The National Electrical Code (NEC) is revised and updated every three years to reflect the latest standards in electrical safety and wiring practices.

Question 5

Which chapter of the National Electrical Code is specifically intended for tables?
A) Chapter 1
B) Chapter 8
C) Chapter 9
D) Chapter 10

Accepted Answer

Chapter 9 of the National Electrical Code is specifically intended for tables, including various standard calculations and measurements used in electrical work.

Question 6

Formal interpretations of the National Electrical Code are permitted to be made by the authority having jurisdiction.

Accepted Answer

The answer of Formal interpretations of the National Electrical Code...

Question 7

The National Electrical Code is also referred to as _________.
A) NFPA 70
B) ANSI 6270-B
C) NEC 70
D) NEC 1997

Accepted Answer

The National Electrical Code is commonly abbreviated as NEC, but specifically it is published by the National Fire Protection Association (NFPA) as NFPA 70. Therefore, the correct answer is A. B and D are not correct because they are not valid codes or abbreviations for the National Electrical Code. C is partially correct, as NEC is a commonly used abbreviation for the National Electrical Code, but it does not give the full name or publisher information.

Question 8

The National Electrical Code is sponsored by ________.
A) State Board of Electricity
B) National Fire Protection Agency
C) National Electrical Contractors Association
D) North Central Electrical League

Accepted Answer

The National Electrical Code is sponsored by the National Fire Protection Agency (NFPA).

Question 9

In the National Electrical Code , measurements are given in metric units first.

Accepted Answer

In the National Electrical Code, measurements are given in imperial units first, followed by metric units in parentheses.

Question 10

There are a total of ten chapters in the National Electrical Code .

Accepted Answer

The National Electrical Code (NEC), also known as NFPA 70, is organized into several chapters, but it contains more than ten chapters, specifically it is organized into nine chapters, along with an introduction, definitions, annexes, and an index.

Question 11

The National Electrical Code specifically states that is does not cover installation in ships, mines, railways and communications equipment under the exclusive control of the utilities.

Accepted Answer

The National Electrical Code does indeed have this provision.

Question 12

In the National Electrical Code , the word shall means "mandatory".

Accepted Answer

In the National Electrical Code, the word "shall" means that the requirement is mandatory and must be complied with.

Question 13

An Informational Note contains explanatory material that is not enforceable.

Accepted Answer

An Informational Note is a nonmandatory element of a standard that provides background information or recommendations, but does not contain requirements or enforceable provisions.

Question 14

Vertical lines in the margins of the National Electrical Code denote ________.
A) Wiring in hazardous locations
B) Wiring in special occupancies
C) Notable definitions
D) Changes in this edition of the NEC

Accepted Answer

Vertical lines in the margins of the National Electrical Code are used to indicate changes in the current edition of the code compared to the previous edition. These lines are called "vertical rules" and are used to draw attention to significant changes in the text or the addition of new requirements to the code.

Question 15

Which standards agency has been solely responsible for the development of the RS-232, RS-422, and RS-423 serial devices connections?
A) ANSI
B) TIA
C) CSA
D) EIA

Accepted Answer

RS-232, RS-422, and RS-423 serial devices connections were developed by the Electronic Industries Alliance (EIA).

Question 16

Code rules that provide an alternate method to a specific requirements are called exceptions.

Accepted Answer

Exceptions are rules that provide an alternative method or solution to a specific requirement.

Question 17

Chapters 1 through 4 of the National Electrical Code are considered _________.
A) Special Requirements and Conditions
B) Tables
C) Communications Systems
D) General Requirements

Accepted Answer

Chapters 1 through 4 of the National Electrical Code are considered General Requirements.

Question 18

The annex is included in the National Electrical Code  for ________.
A) Any formal interpretations of the Code
B) Informational purposes only
C) Exclusive use of the authority having jurisdiction
D) Tables

Accepted Answer

The annex is included in the National Electrical Code for informational purposes only. It provides non-mandatory guidance and additional information that can be helpful to users of the code.

Question 19

All definitions contained in the National Electrical Code are found in article 100.

Accepted Answer

This is true. Article 100 in the National Electrical Code contains the definitions of key terms used throughout the code.

Question 20

The organization, office or individual responsible for approving equipment, materials, and installation procedures, is the ________.
A) Chief Electrical Inspector
B) Electrical Inspector
C) Authority Having Jurisdiction
D) Chief Fire Inspector

Accepted Answer

The Authority Having Jurisdiction (AHJ) is responsible for approving equipment, materials, and installation procedures. This refers to the organization, office, or individual that has been granted legal authority to enforce codes, standards, or regulations. The other options listed (A, B, and D) may play a role in the inspection and approval process, but ultimately it is the AHJ that has the final say.

Quiz 1: Introduction to the National Electrical Code

The purpose of the National Electrical Code is the practical ________ of persons and property from hazards arising from the use of electricity.

When an article in the National Electrical Code is significantly large it is divided into __________.

The National Electrical Code is intended as a design specification and instruction manual for untrained persons.

The National Electrical Code is revised and updated every five years.

Which chapter of the National Electrical Code is specifically intended for tables?

Formal interpretations of the National Electrical Code are permitted to be made by the authority having jurisdiction.

The National Electrical Code is also referred to as _________.

The National Electrical Code is sponsored by ________.

In the National Electrical Code , measurements are given in metric units first.

There are a total of ten chapters in the National Electrical Code .

The National Electrical Code specifically states that is does not cover installation in ships, mines, railways and communications equipment under the exclusive control of the utilities.

In the National Electrical Code , the word shall means "mandatory".

An Informational Note contains explanatory material that is not enforceable.

Vertical lines in the margins of the National Electrical Code denote ________.

Which standards agency has been solely responsible for the development of the RS-232, RS-422, and RS-423 serial devices connections?

Code rules that provide an alternate method to a specific requirements are called exceptions.

Chapters 1 through 4 of the National Electrical Code are considered _________.

The annex is included in the National Electrical Code for ________.

All definitions contained in the National Electrical Code are found in article 100.

The organization, office or individual responsible for approving equipment, materials, and installation procedures, is the ________.