SOLUTIONS MANUAL AND ANSWER GUIDE TO
THE NATIONAL ELECTRICAL CODE 9TH
EDITION BY CHARLES R. MILLER CHAPTER 1-
19 FULL MANUAL WITH VERIFIED SOLUTIONS
,1|Page
SOLUTIONS MANUAL AND ANSWER GUIDE TO THE
NATIONAL ELECTRICAL CODE 9TH EDITION BY
CHARLES R. MILLER CHAPTER 1-19 FULL MANUAL
WITH VERIFIED SOLUTIONS
National ,Electrical ,Code ,1 ,Competency ,Tests
Section ,1 ,Foundational ,Provisions
,
Unit ,1 ,Introduction ,to ,the ,National ,Electrical ,Code ,Unit ,2 ,Definitions
Unit ,3 ,Boxes ,and ,Enclosures ,Unit ,4 ,Cables
,
Unit ,5 ,Raceways ,and ,Conductors
Section ,2 ,One-Family ,Dwellings ,Unit ,6 ,General ,Provisions ,Unit ,7 ,Specific ,Provisions ,Unit ,8
,Load ,Calculations
Unit ,9 ,Service ,and ,Electrical ,Equipment
Section ,3 ,Multifamily ,Dwellings
Unit ,10 ,Comprehensive ,Provisions ,Unit ,11 ,Load ,Calculations
Unit ,12 ,General ,Provisions
,
Section ,4 ,Commercial ,Locations
Unit ,13 ,Non-dwelling ,Load ,Calculations ,Unit ,14 ,Services, ,Feeders, ,and ,Equipment ,Unit ,15
,Hazardous ,(Classified) ,Locations
Section ,5 ,Special ,Occupancies, ,Areas, ,and ,Equipment ,Unit ,16 ,Health ,Care
Unit ,17 ,Industrial ,Locations ,Unit ,18 ,Special ,Occupancies ,Unit ,19 ,Specific ,Equipment
Extra ,Study ,Questions
,2|Page
Unit ,1 ,Introduction ,to ,the ,National ,Electrical ,Code ,Unit ,2 ,Definitions
1. The ,National ,Fire ,Protection ,Association ,has ,acted ,as ,sponsor ,of ,the ,National ,Electrical
Code ,since ,
, .
1911 ,(Pg.2)
2. Informative ,Annex , provides ,a ,list ,of ,product ,safety ,standards ,used ,for ,product ,listing
,where ,that ,listing ,is , required ,by ,the ,NEC.
Informative ,Annex ,A ,(NEC ,70-710)
3. Which ,chapters ,in ,the ,NEC ,apply ,generally ,to ,all ,installations?
Chapter ,1 ,through ,4 ,apply ,to ,all ,electrical ,installations ,(Pg.5)
4. Every ,three ,years, ,the ,National ,Electrical ,code ,is ,revised, ,but ,the ,Code ,has ,only ,been ,on ,a
three-year ,cycle ,since , , , .
,
1975 ,(Pg.2)
5. The ,purpose ,of ,the ,National ,Electrical ,Code ,is ,the ,practical ,safeguarding ,of
form ,hazards ,arising ,from ,the ,use ,of ,electricity.
Persons ,and ,Property ,(Pg.2)
6. The ,original ,Code ,document ,was ,developed ,in , as ,a ,result ,of ,the ,united ,efforts ,of
,various ,insurance, , electrical, ,architectural, ,and ,allied ,interests.
1897 ,(Pg.2)
7. Informative ,annexes ,are ,not ,part ,of ,the ,requirements ,of ,the ,NEC ,but ,are ,included ,for
only.
Informational ,Notes ,(Pg.5)
8. What ,city ,was ,home ,to ,the ,first ,central-station ,electric ,generating ,plant ,developed ,by
Thomas ,A. ,Edison?
,
New ,York ,City ,(Pg. ,2)
, 3|Page
9. Chapter , , consists ,of ,tables ,that ,are ,applicable ,as ,referenced.
9 ,(Pg.5)
10. In ,the ,NEC, ,UL ,is ,the ,abbreviation ,for , .
Underwriters ,Laboratories, ,Inc. ,(Pg.7)
11. Listed ,or ,labeled ,equipment ,shall ,be ,installed ,and ,used ,in ,accordance ,with ,any
included ,in ,the ,listing ,or ,labeling.
Instructions ,(Pg. ,6) ,(NEC ,110.3 ,(B)).
Unit ,2
1. An , branch ,circuit ,supplies ,two ,or ,more ,receptacles ,or ,outlets ,for ,lighting ,and
,appliances.
General ,Purpose ,(Pg. ,16)
2. is ,the ,largest ,amount ,of ,current ,capable ,of ,being ,delivered ,at ,a ,point ,on ,the ,electrical
system ,during ,a ,shout-circuit ,condition.
,
Available ,fault ,current ,(Pg.20)
3. An , branch ,circuit ,consists ,of ,two ,or ,more ,ungrounded ,conductors ,having ,a
,potential ,difference ,between ,them, ,and ,a ,grounded ,conductor ,having ,equal ,potential
,difference ,between ,it ,and ,each ,ungrounded ,conductor ,of ,the ,circuit ,and ,that ,is ,connected
,to ,the ,neutral ,or ,grounded ,conductor ,of ,the ,system.
Multiwire ,(Pg.16)
4. An ,intermittent ,operation ,in ,which ,load ,conditions ,are ,regularly ,recurrent ,is ,the ,definition
of , .
,
Periodic ,Duty ,(NEC ,70-34)
5. The , is ,the ,connection ,between ,the ,grounded-circuit ,conductor ,and ,the ,equipment
,grounding ,conductor ,at ,the , service.
Main ,bonding ,jumper ,(Pg.14)
THE NATIONAL ELECTRICAL CODE 9TH
EDITION BY CHARLES R. MILLER CHAPTER 1-
19 FULL MANUAL WITH VERIFIED SOLUTIONS
,1|Page
SOLUTIONS MANUAL AND ANSWER GUIDE TO THE
NATIONAL ELECTRICAL CODE 9TH EDITION BY
CHARLES R. MILLER CHAPTER 1-19 FULL MANUAL
WITH VERIFIED SOLUTIONS
National ,Electrical ,Code ,1 ,Competency ,Tests
Section ,1 ,Foundational ,Provisions
,
Unit ,1 ,Introduction ,to ,the ,National ,Electrical ,Code ,Unit ,2 ,Definitions
Unit ,3 ,Boxes ,and ,Enclosures ,Unit ,4 ,Cables
,
Unit ,5 ,Raceways ,and ,Conductors
Section ,2 ,One-Family ,Dwellings ,Unit ,6 ,General ,Provisions ,Unit ,7 ,Specific ,Provisions ,Unit ,8
,Load ,Calculations
Unit ,9 ,Service ,and ,Electrical ,Equipment
Section ,3 ,Multifamily ,Dwellings
Unit ,10 ,Comprehensive ,Provisions ,Unit ,11 ,Load ,Calculations
Unit ,12 ,General ,Provisions
,
Section ,4 ,Commercial ,Locations
Unit ,13 ,Non-dwelling ,Load ,Calculations ,Unit ,14 ,Services, ,Feeders, ,and ,Equipment ,Unit ,15
,Hazardous ,(Classified) ,Locations
Section ,5 ,Special ,Occupancies, ,Areas, ,and ,Equipment ,Unit ,16 ,Health ,Care
Unit ,17 ,Industrial ,Locations ,Unit ,18 ,Special ,Occupancies ,Unit ,19 ,Specific ,Equipment
Extra ,Study ,Questions
,2|Page
Unit ,1 ,Introduction ,to ,the ,National ,Electrical ,Code ,Unit ,2 ,Definitions
1. The ,National ,Fire ,Protection ,Association ,has ,acted ,as ,sponsor ,of ,the ,National ,Electrical
Code ,since ,
, .
1911 ,(Pg.2)
2. Informative ,Annex , provides ,a ,list ,of ,product ,safety ,standards ,used ,for ,product ,listing
,where ,that ,listing ,is , required ,by ,the ,NEC.
Informative ,Annex ,A ,(NEC ,70-710)
3. Which ,chapters ,in ,the ,NEC ,apply ,generally ,to ,all ,installations?
Chapter ,1 ,through ,4 ,apply ,to ,all ,electrical ,installations ,(Pg.5)
4. Every ,three ,years, ,the ,National ,Electrical ,code ,is ,revised, ,but ,the ,Code ,has ,only ,been ,on ,a
three-year ,cycle ,since , , , .
,
1975 ,(Pg.2)
5. The ,purpose ,of ,the ,National ,Electrical ,Code ,is ,the ,practical ,safeguarding ,of
form ,hazards ,arising ,from ,the ,use ,of ,electricity.
Persons ,and ,Property ,(Pg.2)
6. The ,original ,Code ,document ,was ,developed ,in , as ,a ,result ,of ,the ,united ,efforts ,of
,various ,insurance, , electrical, ,architectural, ,and ,allied ,interests.
1897 ,(Pg.2)
7. Informative ,annexes ,are ,not ,part ,of ,the ,requirements ,of ,the ,NEC ,but ,are ,included ,for
only.
Informational ,Notes ,(Pg.5)
8. What ,city ,was ,home ,to ,the ,first ,central-station ,electric ,generating ,plant ,developed ,by
Thomas ,A. ,Edison?
,
New ,York ,City ,(Pg. ,2)
, 3|Page
9. Chapter , , consists ,of ,tables ,that ,are ,applicable ,as ,referenced.
9 ,(Pg.5)
10. In ,the ,NEC, ,UL ,is ,the ,abbreviation ,for , .
Underwriters ,Laboratories, ,Inc. ,(Pg.7)
11. Listed ,or ,labeled ,equipment ,shall ,be ,installed ,and ,used ,in ,accordance ,with ,any
included ,in ,the ,listing ,or ,labeling.
Instructions ,(Pg. ,6) ,(NEC ,110.3 ,(B)).
Unit ,2
1. An , branch ,circuit ,supplies ,two ,or ,more ,receptacles ,or ,outlets ,for ,lighting ,and
,appliances.
General ,Purpose ,(Pg. ,16)
2. is ,the ,largest ,amount ,of ,current ,capable ,of ,being ,delivered ,at ,a ,point ,on ,the ,electrical
system ,during ,a ,shout-circuit ,condition.
,
Available ,fault ,current ,(Pg.20)
3. An , branch ,circuit ,consists ,of ,two ,or ,more ,ungrounded ,conductors ,having ,a
,potential ,difference ,between ,them, ,and ,a ,grounded ,conductor ,having ,equal ,potential
,difference ,between ,it ,and ,each ,ungrounded ,conductor ,of ,the ,circuit ,and ,that ,is ,connected
,to ,the ,neutral ,or ,grounded ,conductor ,of ,the ,system.
Multiwire ,(Pg.16)
4. An ,intermittent ,operation ,in ,which ,load ,conditions ,are ,regularly ,recurrent ,is ,the ,definition
of , .
,
Periodic ,Duty ,(NEC ,70-34)
5. The , is ,the ,connection ,between ,the ,grounded-circuit ,conductor ,and ,the ,equipment
,grounding ,conductor ,at ,the , service.
Main ,bonding ,jumper ,(Pg.14)
