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TABLE OF CONTENTS JI JI
Unit 1 Competency Test ............................................................................................................... 1
ji ji ji
UNIT1COMPETENCY TEST JI
1. The National Fire Protection Association has acted as sponsor of the
ji ji ji ji ji ji ji ji ji ji
National Electrical Code since .ji ji ji
a. NEC®Reference:Page 1 ji ji
b. Answer:1911
2. Informative Annex ji ji
provides alist of productsafetystandards used f ji ji ji ji ji ji
or product listing where that listing is required by the NEC.
ji ji ji ji ji ji ji ji ji ji
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ji ji ji ji ji
a. NEC®Reference:InformativeAnnexA
b. Answer:A
3. Which chapters in the NEC apply generally to all installations?
ji ji ji ji ji ji ji ji ji
a. NEC®Reference: 90.3 ji
b. Answer: Chapters 1, 2, 3,and 4 ji ji ji ji ji ji
4. Every three years, the National Electrical Code is revised, but the Code has only been on a
ji ji ji ji ji ji ji ji ji ji ji ji ji ji ji ji
three- year revision cycle since
ji ji ji . ji ji ji
a. NEC®Reference:Page 1 ji ji
b. Answer:1975
5. The purpose of the National Electrical Code is the practical safeguarding of
ji ji ji ji ji ji ji ji ji ji ji ji
ji from hazards arising from the use of electricity.
ji ji ji ji ji ji ji
a. NEC®Reference:personsand property ji
b. Answer:90.2(A)
6. The original Code document was developed
ji ji ji ji ji ji
inas aresult of the ji ji ji ji ji
united efforts of various insurance, electrical, architectural, and allied interests.
ji ji ji ji ji ji ji ji ji
a. NEC®Reference:Page 1 ji ji
b. Answer:1897
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ji ji ji ji ji
7. Informative annexes are not part of the requirements of the NEC but are included for
ji ji ji ji ji ji ji ji ji ji ji ji ji ji
only.
a. NEC®Reference: 90.3 ji
b. Answer: informational purposes ji ji
8. What citywas home to the first central-
ji ji ji ji ji ji ji
station electric generating plant developed by Thomas A. Edison?
ji ji ji ji ji ji ji ji
a. NEC®Reference:Page 2 ji ji
b. Answer:New YorkCity ji ji ji
9. Chapter consists of tables that are applicable as referenced.
ji ji ji ji ji ji ji ji
a. NEC®Reference: 90.3 ji
b. Answer:9
10. In the NEC, UL is the abbreviation for
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a. NEC®Reference:Annex I,footnoteunder TableI.3 ji ji ji ji ji
b. Answer: Underwriters Laboratories ji ji
11. Equipment that is listed, labeled, or both, or identified for a use shall be installed an
ji ji ji ji ji ji ji ji ji ji ji ji ji ji ji
d used in accordance with any
ji ji ji ji ji ji
included in the listing, labeling, ji ji ji ji ji
or identification.
ji
a. NEC®Reference: 110.3(B) ji
b. Answer:instructions
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Solutionand AnswerGuide j i
MILLER/SANDEFUR, ILLUSTRATED GUIDE JI J I J I TO J I THE J I NEC®, 21E, ©2024, 9780357766 JI JI JI
712; UNIT 2: DEFINITIONS®
JI J I JI
TABLE OF CONTENTS JI JI
Unit 2 Competency Test ............................................................................................................... 1
ji ji ji
UNIT2COMPETENCY TEST JI
1. A(n) ji
branchcircuit supplies two or morereceptacles or o ji ji ji ji ji ji ji ji
utlets for lighting and appliances.
ji ji ji ji
a. NEC®Reference:Article100 (Branch-Circuit,GeneralPurpose) ji
b. Answer:generalpurpose
2.
is thelargest amount of current capable of being delivered at a poi ji ji ji ji ji ji ji ji ji ji ji ji
nt on the electrical system during a short-circuit condition.
ji ji ji ji ji ji ji ji
a. NEC®Reference:Article100 (Fault Current, Available) ji ji ji ji
b. Answer: Available faultcurrent ji ji
3. A(n) ji
branch circuit consists of two or more ungrounded condu ji ji ji ji ji ji ji ji
ctors having a potential difference between them, and a grounded conductor having
ji ji ji ji ji ji ji ji ji ji ji ji
equal potential difference between it and each ungrounded conductor of the circuit an
ji ji ji ji ji ji ji ji ji ji ji ji
d that is connected to the neutral or grounded conductor of the system.
ji ji ji ji ji ji ji ji ji ji ji ji
a. NEC®Reference: multiwire ji
b. Answer: Article100 (Branch-Circuit,Multiwire) ji ji
4. An intermittent operation in whichload conditions are regularly recurrent is t
ji ji ji ji ji ji ji ji ji ji ji
he definition of ji . ji ji
a. NEC®Reference:Article100(Duty,Periodic)
b. Answer:periodic duty
5. The is theconnection between thegrounded-
ji ji ji ji ji
circuit conductor and the equipment grounding conductor at the service.
ji ji ji ji ji ji ji ji ji
a. NEC®Reference: Article100 (Bonding Jumper,Main) ji ji ji ji
b. Answer: mainbonding jumper ji ji
ji ji ji ji ji
TABLE OF CONTENTS JI JI
Unit 1 Competency Test ............................................................................................................... 1
ji ji ji
UNIT1COMPETENCY TEST JI
1. The National Fire Protection Association has acted as sponsor of the
ji ji ji ji ji ji ji ji ji ji
National Electrical Code since .ji ji ji
a. NEC®Reference:Page 1 ji ji
b. Answer:1911
2. Informative Annex ji ji
provides alist of productsafetystandards used f ji ji ji ji ji ji
or product listing where that listing is required by the NEC.
ji ji ji ji ji ji ji ji ji ji
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ji ji ji ji ji
a. NEC®Reference:InformativeAnnexA
b. Answer:A
3. Which chapters in the NEC apply generally to all installations?
ji ji ji ji ji ji ji ji ji
a. NEC®Reference: 90.3 ji
b. Answer: Chapters 1, 2, 3,and 4 ji ji ji ji ji ji
4. Every three years, the National Electrical Code is revised, but the Code has only been on a
ji ji ji ji ji ji ji ji ji ji ji ji ji ji ji ji
three- year revision cycle since
ji ji ji . ji ji ji
a. NEC®Reference:Page 1 ji ji
b. Answer:1975
5. The purpose of the National Electrical Code is the practical safeguarding of
ji ji ji ji ji ji ji ji ji ji ji ji
ji from hazards arising from the use of electricity.
ji ji ji ji ji ji ji
a. NEC®Reference:personsand property ji
b. Answer:90.2(A)
6. The original Code document was developed
ji ji ji ji ji ji
inas aresult of the ji ji ji ji ji
united efforts of various insurance, electrical, architectural, and allied interests.
ji ji ji ji ji ji ji ji ji
a. NEC®Reference:Page 1 ji ji
b. Answer:1897
,3|P a g e
ji ji ji ji ji
7. Informative annexes are not part of the requirements of the NEC but are included for
ji ji ji ji ji ji ji ji ji ji ji ji ji ji
only.
a. NEC®Reference: 90.3 ji
b. Answer: informational purposes ji ji
8. What citywas home to the first central-
ji ji ji ji ji ji ji
station electric generating plant developed by Thomas A. Edison?
ji ji ji ji ji ji ji ji
a. NEC®Reference:Page 2 ji ji
b. Answer:New YorkCity ji ji ji
9. Chapter consists of tables that are applicable as referenced.
ji ji ji ji ji ji ji ji
a. NEC®Reference: 90.3 ji
b. Answer:9
10. In the NEC, UL is the abbreviation for
j i ji ji . ji ji ji j i ji
a. NEC®Reference:Annex I,footnoteunder TableI.3 ji ji ji ji ji
b. Answer: Underwriters Laboratories ji ji
11. Equipment that is listed, labeled, or both, or identified for a use shall be installed an
ji ji ji ji ji ji ji ji ji ji ji ji ji ji ji
d used in accordance with any
ji ji ji ji ji ji
included in the listing, labeling, ji ji ji ji ji
or identification.
ji
a. NEC®Reference: 110.3(B) ji
b. Answer:instructions
, 3|P a g e
ji ji ji ji ji
Solutionand AnswerGuide j i
MILLER/SANDEFUR, ILLUSTRATED GUIDE JI J I J I TO J I THE J I NEC®, 21E, ©2024, 9780357766 JI JI JI
712; UNIT 2: DEFINITIONS®
JI J I JI
TABLE OF CONTENTS JI JI
Unit 2 Competency Test ............................................................................................................... 1
ji ji ji
UNIT2COMPETENCY TEST JI
1. A(n) ji
branchcircuit supplies two or morereceptacles or o ji ji ji ji ji ji ji ji
utlets for lighting and appliances.
ji ji ji ji
a. NEC®Reference:Article100 (Branch-Circuit,GeneralPurpose) ji
b. Answer:generalpurpose
2.
is thelargest amount of current capable of being delivered at a poi ji ji ji ji ji ji ji ji ji ji ji ji
nt on the electrical system during a short-circuit condition.
ji ji ji ji ji ji ji ji
a. NEC®Reference:Article100 (Fault Current, Available) ji ji ji ji
b. Answer: Available faultcurrent ji ji
3. A(n) ji
branch circuit consists of two or more ungrounded condu ji ji ji ji ji ji ji ji
ctors having a potential difference between them, and a grounded conductor having
ji ji ji ji ji ji ji ji ji ji ji ji
equal potential difference between it and each ungrounded conductor of the circuit an
ji ji ji ji ji ji ji ji ji ji ji ji
d that is connected to the neutral or grounded conductor of the system.
ji ji ji ji ji ji ji ji ji ji ji ji
a. NEC®Reference: multiwire ji
b. Answer: Article100 (Branch-Circuit,Multiwire) ji ji
4. An intermittent operation in whichload conditions are regularly recurrent is t
ji ji ji ji ji ji ji ji ji ji ji
he definition of ji . ji ji
a. NEC®Reference:Article100(Duty,Periodic)
b. Answer:periodic duty
5. The is theconnection between thegrounded-
ji ji ji ji ji
circuit conductor and the equipment grounding conductor at the service.
ji ji ji ji ji ji ji ji ji
a. NEC®Reference: Article100 (Bonding Jumper,Main) ji ji ji ji
b. Answer: mainbonding jumper ji ji
