Introduction To The Code Book

Question 1

The National Fire Protection Association is has acted as sponsor of the what.

Answer 1

NATIONAL ELECTRICAL CODE since 1911 (NFPA)

Question 2

The original Code document was developed in what year

Answer 2

1897 as a result of the United efforts of various Insurence, electrical, architectural, and allied interests.

Question 3

This Code is purely advisory as far as NFPA is concerned. It is made available for a wide variety of both public and private uses in the interest of life and property protection. for what purposes are they used for?

Answer 3

These include both use in law and for regulatory purposes, and use in private self-regulation and standardization activities such as insurance underwriting, building and facilities construction and management, and product testing and certification.

Question 4

This 2014 edition includes the following usability features as aids to the user.

Answer 4

This 2014 edition includes the following usability features as aids to the user.

Question 5

HELPFUL TOOLS Where one or more complete paragraphs have been deleted, the deletion is indicated by a

Answer 5

bullet (·) between the paragraphs that remain. The index now has dictionary-style headers with helpful identifiers at the top of every index page

Question 6

How to save time when using the NEC book?

Answer 6

The Table of Contents lists in numerical sequence the topics covered by each chapter and each article. The Index contains in alphabetical order a list of what is in the Code, telling where to find the topics covered.

Question 7

Definitions can make seemingly vague requirements of the Code become understandable by making use of the definitions in Article

Answer 7

100 and elsewhere in the Code.

Question 8

Definitions in ? appear in more than one article in the?

Answer 8

Article 100 Code.

Question 9

2014 NEC ESSENTIALS What pages are the article on for the following? CONTENTS…………………………………….. INDEX………………………………………… NEC COMMITTEE………………………… ARTICLE 90 INTRODUCTION………. Section 90.3 Code Arrangement……….. ARTICLE 100 DEFINITIONS

Answer 9

Page 70-2 Page 70-830 Page 70-10 Page 70-23 Page 70-24

Question 10

NEC FORMAT How many format are there in the NEC format? What are the names of the format?

Answer 10

CHAPTER ARTICLE PART SECTION SUBSECTION EXCEPTION TABLES INFORMATIONAL NOTES

Question 11

CHAPTER:

Answer 11

There are nine chapters in the NEC. Chapter 2, Wiring and Protection, is one of the nine chapters

Question 12

ARTICLE:

Answer 12

The first number of an Article denotes the Chapter that it’s in, i.e., Article 250 – Grounding and Bonding. Article 250 is in Chapter 2.

Question 13

PART:

Answer 13

A Part divides an Article into two or more simpler topics. Not all articles have Parts or subheadings. Parts are identified by a roman numeral. Article 250 contains 10 Parts, one of which is Part III. Grounding Electrode System and Grounding Electrode Conductor. PAGES 70-2 and 70-117.

Question 14

SECTION:

Answer 14

A Section is identified by a numbers only, i.e., 90.1, 90.2, 250.20, or Section 250.52 Grounding Electrodes. (PAGE 70-117)

Question 15

SUBSECTION:

Answer 15

A Subsection is identified by a capital letter or number in parenthesis, i.e., Subsection (A) Electrodes Permitted for Grounding and Subsection (1) Metal Underground Water Pipe. (PAGE 70-117)

Question 16

EXCEPTION:

Answer 16

Exceptions apply to the preceding rule only unless otherwise noted, as in exceptions no.1, no. 2 and no. 3 to Section 250.110(1) through (6). (PAGE 70-126)

Question 17

Exceptions

Answer 17

are italicized and multiple exceptions are numbered. Example: there is an exception to Section 250.50. (PAGE 70-117)

Question 18

TABLES:

Answer 18

Tables provide information such as conductor sizes, adjustment factors, ampacities, etc. There are several Tables in Article 250. One is Table 250.66 – Grounding Electrode Conductor for Alternating-Current Systems. Section 250-66 describes the application of this Table. (PAGES 70-120/121)

Question 19

INFORMATIONAL NOTES Multiple Informational Notes are Examples: There is an Informational Note to Section 250.36(C) (PAGE 70-116) and there are two Informational Notes to Section 250.60 (PAGE 70-119).

Answer 19

Explanatory material is in the form of Informational Notes – see Section 90.5(C) (PAGE 70-25) numbered.

Question 20

TABLE OF CONTENT list what ?

Answer 20

article 90 and the nine Code chapters and the page they are located. List all of the Parts in the Articles and the page they are located. New or revised Articles and Parts are shaded in gray.

Question 21

CODE INTRODUCTION Article 90 serves as an introduction to the

Answer 21

NEC and provides a scope to specify the electrical installations that are covered and those that are not covered

Question 22

90.3 CODE ARRANGEMENT 2014 NEC – PAGE 70-24

Answer 22

This Code is divided into the introduction and nine chapters, as shown in Figure 90.3. Chapters 1, 2, 3, and 4 apply generally; Chapters 5, 6, and 7 apply to special occupancies, special equipment, or other special conditions. These latter chapters supplement or modify the general rules. Chapters 1 through 4 apply except as amended by Chapters 5, 6, and 7 for the particular conditions.

Question 23

Chapter 1 — General

Answer 23

I . General
A ccessible (as applied to equipment). Admitting close
approach; not guarded by locked doors, elevation, or other effective
means.

Question 24

CHAPTER 2 –General WIRING AND PROTECTION

Answer 24

ARTICLE 200
Use and Identification
of Grounded Conductors

This article provides requirements for the following:

(1) Identification of terminals
(2) Grounded conductors in premises wiring systems
(3) Identification of grounded conductors

Question 25

Chapter 300 ARTICLE 300
General Requirements for
Wiring Methods and Materials

CHAPTER 3 – WIRING METHODS AND MATERIALS

Answer 25

I. General Requirements
300.1 Scope
(A) All Wiring Installations. This article covers general
requirements for wiring methods and materials for all wiring
installations unless modified by other articles in Chapter 3.
(B) Integral Parts of Equipment. The provisions of this article
are not intended to apply to the conductors that form an integral
part of equipment, such as motors, controllers, motor control
centers, or factory

Question 26

Chapter 4 General ARTICLE 400
Flexible Cords and Cables

CHAPTER 4 – EQUIPMENT FOR GENERAL USE

Answer 26

I. General
400.1 Scope
This article covers general requirements, applications, and construction
specifications for flexible cords and flexible cables.

Question 27

Chapter 5

Answer 27

Special Occupancies pg 569

Question 28

Chapter 6

Answer 28

Chapter 6 Special Equipment

Question 29

ARTICLE 700

Answer 29

ARTICLE 700
Emergency Systems

Question 30

ARTICLE 800

Answer 30

ARTICLE 800
Communications Circuits

Question 31

Chapter 9

Answer 31

The tables in Chapter 9 are part of the mandatory requirements
of the Code. Tables 1 through 10 deal with conductors and raceways.
The last four tables provide parameters for power limitations
for Class 2 and 3 power-limited circuits and for power-limited
fire alarm circuits. The tables are as follows: