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.
Chapter 8
covers communications systems and is independent of the other chapters except where they are specifically referenced therein.
Which chapters in the NEC apply generally to all installations?
The NEC has 9 chapters and has always been clear that
the first four chapters
apply generally to all electrical installations and Chapters 5, 6, and 7 can modify the rules in Chapters 1 through 4.
What does Chapter 7 of the NEC cover?
Chapter 7, which covers
special conditions
, is the third of the NEC chapters that deal with special topics. As we have seen, Chapters 5 and 6 cover special occupancies and special equipment respectively.
What are the three categories of chapters in the NEC?
- Module 1: Overview, Article 90, and Chapter 1.
- Module 2: Chapter 2: Wiring and Protection, Part A.
- Module 3: Chapter 2: Wiring and Protection, Part B.
- Module 4: Chapter 3 Wiring Methods and Materials, Part A.
- Module 5: Chapter 3 Wiring Methods and Materials, Part B.
How are chapters divided in the NEC?
The Code is divided into the
introduction and nine chapters
, as shown in Figure 90.3 of the NEC. 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.
What is the primary purpose of the NEC?
The NEC (the National Fire Protection Association’s NFPA 70) is a widely-adopted model code for the installation of electrical components and systems. Its purpose is
to safeguard persons and property from hazards arising from the use of electricity
(NEC 90.1(A)).
Which National Electrical Code is for special conditions?
National Electrical Code Articles 701 and 702 Legally Required and Optional Standby Systems. Chapter 7 of the 2020 National Electrical Code (NEC), also known as
NFPA 70
, covers special conditions and their specific requirements. These requirements modify the general requirements found in Chapters 1-4.
What is the two fold purpose of the NEC?
| Front Back | The two-fold purpose of the NEC is to protect _____ and _____ from the dangers associated with the use of electricity. Person, Property | The ________ of NEC contains a list of the electrical installations that are covered by the NEC. Scope |
|---|
Which is the one chapter of the code that is independent?
Chapter 8
covers communications systems and is independent of the other chapters except where they are specifically referenced therein.
What are the two basic types of rules in the NEC?
There are two basic types of rules int the NEC; what are they?
Mandatory rules and permissive rules
.
What does Chapter 4 of the NEC cover?
Chapter 4 has some logical arrangement of its own. Here are the groupings:
Flexible cords and cables, fixture wires, switches, receptacles
.
Switchboards and panel boards
.
What are the 9 chapters of the NEC?
- Chapter 1 General. 100 Definitions. …
- Chapter 2 Wiring and Protection. 200 Use and Identification of Grounded Conductors. …
- Chapter 4 Equipment for General Use. …
- Chapter 5 Special Occupancies. …
- Chapter 6 Special Equipment. …
- Chapter 7 Special Conditions. …
- Chapter 8 Communications Systems.
What does each chapter in the NEC focus on?
Each Chapter contains
related Articles
. When making your way through the Code, think of the related topics you need to consider, then go to the Chapter that contains those topics. Inside that Chapter, you merely need to find the Article that addresses your topic. Article 90 is the introduction.
How are exceptions indicated in the NEC?
Exceptions
shall immediately follow the main rule to which they apply
. Where exceptions are made to items within a numbered list, the exception shall clearly indicate the items within the list to which it applies. Exceptions containing the mandatory terms shall or shall not are to be listed first in the sequence.
Do NEC Chapters 1 2 3 and 4 apply to low voltage lighting systems?
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.
Which chapter of the National Electrical Code covers wiring materials and methods?
Chapter 3
covers wiring methods and materials, and provides some very specific installation requirements for conductors, cables, boxes, raceways, and fittings. This chapter includes detailed information about installation and restrictions involved with wiring methods.
