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Contents

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CHAPTER

Printreading

The National Electrical Code® • NEC® Process • Using the NEC® • NEC® Revisions and Extracted Text • Applying the NEC® • New NEC® Articles • Prints • Shape Description • Written Description • Abbreviations • Symbols • Printreading • Plot Plan • Foundation and Unfinished Basement Plan • Floor Plan • Elevation Views • Sections and Details

Trade Competency Test 1 Trade Competency Test 2 Trade Competency Test 3 Trade Competency Test 4

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1

_____________________________________________________ 25 _____________________________________________________ 27 _____________________________________________________ 29 _____________________________________________________ 31

CHAPTER

One-Family Dwellings

One-Family Dwellings • Calculations • One-Family Dwellings – Standard Calculation • One-Family Dwellings – Optional Calculation • Dwelling A • Dwelling B

Trade Competency Test 1 Trade Competency Test 2 Trade Competency Test 3 Trade Competency Test 4

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33

_____________________________________________________ 73 _____________________________________________________ 75 _____________________________________________________ 77 _____________________________________________________ 79

CHAPTER

Multifamily Dwellings

Conductors • Table 310.15(B)(16) • Table 310.15(B)(17) • Tables 310.15(B)(18) and 310.15(B)(19) • Table Adjustment Factors • Table 310.104(A) – Conductor Application and Insulations • Table 402.3 – Fixture Wire • Table 402.5 – Ampacity of Fixture Wires • Flexible Cords • Table 400.4 – Flexible Cords and Cables • Apartments—Floor Plan • Load Calculations • Service Calculations • Apartments—Details and Elevations

Trade Competency Test 1 Trade Competency Test 2 Trade Competency Test 3 Trade Competency Test 4

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CHAPTER

Commercial Locations

111

Reading Prints • Excerpts from Specifications • 29.1 Main Service – Article 230 • 29.4 Conductors – Article 310 • 29.5 Wiring Methods and Materials—NEC® Chapter 3 • 29.6 Equipment for General Use—NEC® Chapter 4 • 29.7 Audio System Equipment and Communication Circuits—640 and 800 • 29.8 Appliances—Article 422 • Electrical Plans • Second Floor Plan • Calculations for Panel E • Calculations for Panel D • First Floor Plan • Calculations for Panel B • Calculations for Panel A • Calculations for Panel C • Basement Floor Plan • Calculations for Basement Panel • Service Calculation • Service Conduit Size • 480 V Lighting System • Aluminum Wire and Conduit

Trade Competency Test 1 ____________________________________________________ 147 Trade Competency Test 2 ____________________________________________________ 149 Trade Competency Test 3 ____________________________________________________ 151 Trade Competency Test 4 ____________________________________________________ 153 Printreading Test 1 __________________________________________________________ 155 Printreading Test 2 __________________________________________________________ 157

Printreading Based on the 2017 NEC®  

Printreading has been updated to reflect changes in the NEC® and incorporates fundamental printreading skills and relevant NEC® topics. Prin...