1|Page
National Electrical Code 9th Edition 2026 by
Charles R. Miller Chapter 1-19 Exam (1 2)
There are two basic types of rules int the NEC; what are they? -
CORRECT ANSWER = Mandatory rules and permissive rules.
Mandatory rules contain the words_____ - CORRECT ANSWER = Shall
or Shall not, and must be adhered to
Permissive rules identify _____ - CORRECT ANSWER = Actions that are
allowed but not required and typically cover options or alternative
methods.
Permissive rules are indicated by the phrases_____ - CORRECT ANSWER
= shall be permitted or shall not be required.
NEC Chapters 1, 2, 3, and 4 ...... - CORRECT ANSWER = Present the rules
for the design and installation of electrical systems. They generally
apply to all electrical installations.
pg. 1
,2|Page
NEC Chapters 5, 6, and 7 ....... - CORRECT ANSWER = are concerned
with special occupancies, equipment , and conditions. Rulles in these
chapters may modify or amend those in the first four chapters.
NEC Chapter 8 ...... - CORRECT ANSWER = covers communications
systems, such as the telephone and television receiving equipment.
NEC Chapter 9 ...... - CORRECT ANSWER = contains tables that are
applicable when referenced by other chapters in the NEC
What word or phrase best describes the NEC requirements for the
installation of electrical systems? - CORRECT ANSWER = Minimum
Mandatory and permissive rules are defined in ____ - CORRECT
ANSWER = NEC article 90
Examples of branch circuit calculations can be found in ______ -
CORRECT ANSWER = NEC Informative Annex D
Cable trays are covered in ____ - CORRECT ANSWER = NEC Article 392
Where in the NEC would you find information on conductors for general
wiring? - CORRECT ANSWER = NEC Article 310
pg. 2
, 3|Page
Where in the NEC would you find information on switchboards and
panelboards? - CORRECT ANSWER = NEC Article 408
Installation procedures for lighting fixtures are provided in ____ -
CORRECT ANSWER = NEC Article 410
Theaters are covered in_____ - CORRECT ANSWER = NEC Article 520
NEC Article 600 covers_____ - CORRECT ANSWER = Electric signs and
outline lighting
How many chapters form the broad structure of the NEC? - CORRECT
ANSWER = nine
NEC chapter 2 covers - CORRECT ANSWER = wiring and protection
What NEC Article cover electric motors? - CORRECT ANSWER = 430
To size grounding conductors, refer to ____ - CORRECT ANSWER = NEC
chapter 2
Wiring methods are covered in - CORRECT ANSWER = Chapter 3 of the
NEC
pg. 3
National Electrical Code 9th Edition 2026 by
Charles R. Miller Chapter 1-19 Exam (1 2)
There are two basic types of rules int the NEC; what are they? -
CORRECT ANSWER = Mandatory rules and permissive rules.
Mandatory rules contain the words_____ - CORRECT ANSWER = Shall
or Shall not, and must be adhered to
Permissive rules identify _____ - CORRECT ANSWER = Actions that are
allowed but not required and typically cover options or alternative
methods.
Permissive rules are indicated by the phrases_____ - CORRECT ANSWER
= shall be permitted or shall not be required.
NEC Chapters 1, 2, 3, and 4 ...... - CORRECT ANSWER = Present the rules
for the design and installation of electrical systems. They generally
apply to all electrical installations.
pg. 1
,2|Page
NEC Chapters 5, 6, and 7 ....... - CORRECT ANSWER = are concerned
with special occupancies, equipment , and conditions. Rulles in these
chapters may modify or amend those in the first four chapters.
NEC Chapter 8 ...... - CORRECT ANSWER = covers communications
systems, such as the telephone and television receiving equipment.
NEC Chapter 9 ...... - CORRECT ANSWER = contains tables that are
applicable when referenced by other chapters in the NEC
What word or phrase best describes the NEC requirements for the
installation of electrical systems? - CORRECT ANSWER = Minimum
Mandatory and permissive rules are defined in ____ - CORRECT
ANSWER = NEC article 90
Examples of branch circuit calculations can be found in ______ -
CORRECT ANSWER = NEC Informative Annex D
Cable trays are covered in ____ - CORRECT ANSWER = NEC Article 392
Where in the NEC would you find information on conductors for general
wiring? - CORRECT ANSWER = NEC Article 310
pg. 2
, 3|Page
Where in the NEC would you find information on switchboards and
panelboards? - CORRECT ANSWER = NEC Article 408
Installation procedures for lighting fixtures are provided in ____ -
CORRECT ANSWER = NEC Article 410
Theaters are covered in_____ - CORRECT ANSWER = NEC Article 520
NEC Article 600 covers_____ - CORRECT ANSWER = Electric signs and
outline lighting
How many chapters form the broad structure of the NEC? - CORRECT
ANSWER = nine
NEC chapter 2 covers - CORRECT ANSWER = wiring and protection
What NEC Article cover electric motors? - CORRECT ANSWER = 430
To size grounding conductors, refer to ____ - CORRECT ANSWER = NEC
chapter 2
Wiring methods are covered in - CORRECT ANSWER = Chapter 3 of the
NEC
pg. 3
