SOLUTIONS MANUAL AND ANSWER GUIDE TO
o o o o o
THE NATIONAL ELECTRICAL CODE 9TH
o o o o o
EDITION BY CHARLES R. MILLER CHAPTER 1-
o o o o o o o
19 FULL MANUAL WITH VERIFIED SOLUTIONS
o o o o o o
,1 o| oP o a og oe
SOLUTIONS MANUAL AND ANSWER GUIDE TO THE
o o o o o o
NATIONAL ELECTRICAL CODE 9TH EDITION BY
o o o o o o
CHARLES R. MILLER CHAPTER 1-19 FULL MANUAL
o o o o o o o
WITH VERIFIED SOLUTIONS
o o o
National oElectrical oCode o1 oCompetency oTests
o Section o1 oFoundational oProvisions
Unit o1 oIntroduction oto othe oNational oElectrical oCode oUnit o2 oDefinitions
o Unit o3 oBoxes oand oEnclosures oUnit o4 oCables
Unit o5 oRaceways oand oConductors
Section o2 oOne-Family oDwellings oUnit o6 oGeneral oProvisions oUnit o7 oSpecific oProvisions oUnit o8
oLoad oCalculations
Unit o9 oService oand oElectrical oEquipment
Section o3 oMultifamily oDwellings
Unit o10 oComprehensive oProvisions oUnit o11 oLoad oCalculations
o Unit o12 oGeneral oProvisions
Section o4 oCommercial oLocations
Unit o13 oNon-dwelling oLoad oCalculations oUnit o14 oServices, oFeeders, oand oEquipment oUnit o15
oHazardous o(Classified) oLocations
Section o5 oSpecial oOccupancies, oAreas, oand oEquipment oUnit o16 oHealth oCare
Unit o17 oIndustrial oLocations oUnit o18 oSpecial oOccupancies oUnit o19 oSpecific oEquipment
Extra oStudy oQuestions
,2 o| oP o a og oe
Unit o1 oIntroduction oto othe oNational oElectrical oCode oUnit o2 oDefinitions
1. The National Fire Protection Association has acted as sponsor of the National
o o o o o o o o o o o
oElectrical oCode osince o .
1911 o(Pg.2)
2. Informative Annex o provides oa olist oof oproduct osafety ostandards oused ofor oproduct
o
olisting owhere othat olisting ois orequired oby othe oNEC.
Informative oAnnex oA o(NEC o70-710)
3. Which chapters in the NEC apply generally to all installations?
o o o o o o o o o
Chapter o1 othrough o4 oapply oto oall oelectrical o installations o(Pg.5)
4. Every three years, the National Electrical code is revised, but the Code has only been on
o o o o o o o o o o o o o o o
oa othree-year ocycle osince o o o .
1975 o(Pg.2)
5. The purpose of the National Electrical Code is the practical safeguarding of
o o o o o o o o o o o
form ohazards oarising ofrom othe ouse oof oelectricity.
Persons oand oProperty o(Pg.2)
6. The original Code document was developed in
o o o as oa oresult oof othe ounited oefforts
o o o o
oof ovarious oinsurance, oelectrical, oarchitectural, oand oallied ointerests.
1897 o(Pg.2)
7. Informative annexes are not part of the requirements of the NEC but are included for
o o o o o o o o o o o o o o
only.
Informational oNotes o(Pg.5)
8. What city was home to the first central-station electric generating plant developed
o o o o o o o o o o o
oby oThomas oA. oEdison?
New oYork oCity o(Pg. o2)
, 3 o| oP o a og oe
9. Chapter o o consists oof otables othat oare oapplicable oas oreferenced.
9 o(Pg.5)
10. In othe oNEC, oUL ois othe oabbreviation ofor o .
Underwriters oLaboratories, oInc. o(Pg.7)
11. Listed oor olabeled oequipment oshall obe oinstalled oand oused oin oaccordance owith oany
included oin othe olisting oor olabeling.
Instructions o(Pg. o6) o(NEC o110.3 o(B)).
Unit o2
1. An o branch ocircuit osupplies otwo oor omore oreceptacles oor ooutlets ofor olighting
oand oappliances.
General oPurpose o(Pg. o16)
2. is othe olargest oamount oof ocurrent ocapable oof obeing odelivered oat oa opoint oon othe
electrical osystem oduring oa oshout-circuit ocondition.
o
Available ofault ocurrent o(Pg.20)
3. An o branch ocircuit oconsists oof otwo oor omore oungrounded oconductors ohaving oa
opotential odifference obetween othem, oand oa ogrounded oconductor ohaving oequal opotential
odifference obetween oit oand oeach oungrounded oconductor oof othe ocircuit oand othat ois
oconnected oto othe oneutral oor ogrounded oconductor oof othe osystem.
Multiwire o(Pg.16)
4. An intermittent operation in which load conditions are regularly recurrent is the
o o o o o o o o o o o
definition oof o .
o
Periodic oDuty o(NEC o70-34)
5. The ois othe oconnection obetween othe ogrounded-circuit oconductor oand othe
oequipment ogrounding oconductor oat othe oservice.
Main obonding ojumper o(Pg.14)
o o o o o
THE NATIONAL ELECTRICAL CODE 9TH
o o o o o
EDITION BY CHARLES R. MILLER CHAPTER 1-
o o o o o o o
19 FULL MANUAL WITH VERIFIED SOLUTIONS
o o o o o o
,1 o| oP o a og oe
SOLUTIONS MANUAL AND ANSWER GUIDE TO THE
o o o o o o
NATIONAL ELECTRICAL CODE 9TH EDITION BY
o o o o o o
CHARLES R. MILLER CHAPTER 1-19 FULL MANUAL
o o o o o o o
WITH VERIFIED SOLUTIONS
o o o
National oElectrical oCode o1 oCompetency oTests
o Section o1 oFoundational oProvisions
Unit o1 oIntroduction oto othe oNational oElectrical oCode oUnit o2 oDefinitions
o Unit o3 oBoxes oand oEnclosures oUnit o4 oCables
Unit o5 oRaceways oand oConductors
Section o2 oOne-Family oDwellings oUnit o6 oGeneral oProvisions oUnit o7 oSpecific oProvisions oUnit o8
oLoad oCalculations
Unit o9 oService oand oElectrical oEquipment
Section o3 oMultifamily oDwellings
Unit o10 oComprehensive oProvisions oUnit o11 oLoad oCalculations
o Unit o12 oGeneral oProvisions
Section o4 oCommercial oLocations
Unit o13 oNon-dwelling oLoad oCalculations oUnit o14 oServices, oFeeders, oand oEquipment oUnit o15
oHazardous o(Classified) oLocations
Section o5 oSpecial oOccupancies, oAreas, oand oEquipment oUnit o16 oHealth oCare
Unit o17 oIndustrial oLocations oUnit o18 oSpecial oOccupancies oUnit o19 oSpecific oEquipment
Extra oStudy oQuestions
,2 o| oP o a og oe
Unit o1 oIntroduction oto othe oNational oElectrical oCode oUnit o2 oDefinitions
1. The National Fire Protection Association has acted as sponsor of the National
o o o o o o o o o o o
oElectrical oCode osince o .
1911 o(Pg.2)
2. Informative Annex o provides oa olist oof oproduct osafety ostandards oused ofor oproduct
o
olisting owhere othat olisting ois orequired oby othe oNEC.
Informative oAnnex oA o(NEC o70-710)
3. Which chapters in the NEC apply generally to all installations?
o o o o o o o o o
Chapter o1 othrough o4 oapply oto oall oelectrical o installations o(Pg.5)
4. Every three years, the National Electrical code is revised, but the Code has only been on
o o o o o o o o o o o o o o o
oa othree-year ocycle osince o o o .
1975 o(Pg.2)
5. The purpose of the National Electrical Code is the practical safeguarding of
o o o o o o o o o o o
form ohazards oarising ofrom othe ouse oof oelectricity.
Persons oand oProperty o(Pg.2)
6. The original Code document was developed in
o o o as oa oresult oof othe ounited oefforts
o o o o
oof ovarious oinsurance, oelectrical, oarchitectural, oand oallied ointerests.
1897 o(Pg.2)
7. Informative annexes are not part of the requirements of the NEC but are included for
o o o o o o o o o o o o o o
only.
Informational oNotes o(Pg.5)
8. What city was home to the first central-station electric generating plant developed
o o o o o o o o o o o
oby oThomas oA. oEdison?
New oYork oCity o(Pg. o2)
, 3 o| oP o a og oe
9. Chapter o o consists oof otables othat oare oapplicable oas oreferenced.
9 o(Pg.5)
10. In othe oNEC, oUL ois othe oabbreviation ofor o .
Underwriters oLaboratories, oInc. o(Pg.7)
11. Listed oor olabeled oequipment oshall obe oinstalled oand oused oin oaccordance owith oany
included oin othe olisting oor olabeling.
Instructions o(Pg. o6) o(NEC o110.3 o(B)).
Unit o2
1. An o branch ocircuit osupplies otwo oor omore oreceptacles oor ooutlets ofor olighting
oand oappliances.
General oPurpose o(Pg. o16)
2. is othe olargest oamount oof ocurrent ocapable oof obeing odelivered oat oa opoint oon othe
electrical osystem oduring oa oshout-circuit ocondition.
o
Available ofault ocurrent o(Pg.20)
3. An o branch ocircuit oconsists oof otwo oor omore oungrounded oconductors ohaving oa
opotential odifference obetween othem, oand oa ogrounded oconductor ohaving oequal opotential
odifference obetween oit oand oeach oungrounded oconductor oof othe ocircuit oand othat ois
oconnected oto othe oneutral oor ogrounded oconductor oof othe osystem.
Multiwire o(Pg.16)
4. An intermittent operation in which load conditions are regularly recurrent is the
o o o o o o o o o o o
definition oof o .
o
Periodic oDuty o(NEC o70-34)
5. The ois othe oconnection obetween othe ogrounded-circuit oconductor oand othe
oequipment ogrounding oconductor oat othe oservice.
Main obonding ojumper o(Pg.14)
