To The National Electrical Code (10th
Edition) Charles R. Miller Solution &
Answer Guide
,National Electrical Code 1 Competency Tests
1. Section 1 Foundational Provisions
2. Unit 1 Introduction To The National Electrical Code
3. Unit 2 Definitions
4. Unit 3 Boxes And Enclosures Unit 4 Cables
5. Unit 5 Raceways And Conductors
6. Section 2 One-Family Dwellings
7. Unit 6 General Provisions
8. Unit 7 Specific Provisions
9. Unit 8 Load Calculations
10. Unit 9 Service And Electrical Equipment
11. Section 3 Multifamily Dwellings
12. Unit 10 Comprehensive Provisions
13. Unit 11 Load Calculations
14. Unit 12 General Provisions
15. Section 4 Commercial Locations
16. Unit 13 Non-Dwelling Load Calculations
17. Unit 14 Services, Feeders, And Equipment
18. Unit 15 Hazardous (Classified) Locations
19. Section 5 Special Occupancies, Areas, And Equipment
20. Unit 16 Health Care
21. Unit 17 Industrial Locations
22. Unit 18 Special Occupancies
23. Unit 19 Specific Equipment
,Unit 1
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)
, 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)