# Electrician's Calculations Manual, Second Edition

McGraw Hill Professional, Sep 5, 2011 - Technology & Engineering - 256 pages

THE ULTIMATE ON-THE-JOB COMPANION--FULLY UPDATED

Thoroughly revised to reflect the 2011 National Electrical Code (NEC) and the latest industry advances, Electrician's Calculations Manual, Second Edition gives you quick access to the basic calculations needed for any given job. The book also serves as an ideal review for license preparation. End-of-chapter questions plus an end-of-book final test help reinforce the material covered. Written by a Master Electrician with more than 40 years of experience, this practical guide helps you:

• Find answers for both AC and DC circuits
• Solve problems related to motor circuits and transformers
• Calculate single-dwelling and multifamily loads
• Accurately figure requirements for commercial jobs
• Perform conduit-bending math
• Handle service entrance problems
• Understand the math behind electrical solutions
• And much more

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### Contents

 ElectricityAn Overview 1 1 Direct Current Calculations 5 2 Alternating Current Calculations 25 3 Transformers 45 4 Miscellaneous Calculations 61 5 Motors 87 6 SingleDwelling Load Calculations 103 7 Multifamily Load Calculations 119
 8 Commercial Calculations 137 9 Miscellaneous Service Entrance Calculations 155 10 Conduit Bending 169 11 Math Review 195 Final Test 223 Answers to EndofChapter Tests and Final Test 229 Index 255 Copyright

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Nick Fowler has been a practicing electrician for more than 40 years. He holds several state and Master Electrician licenses, and has been an electrical journeyman, foreman, and general foreman. Mr. Fowler is a member of International Brotherhood of Electrical Workers Local 191, Everett, Washington. He has worked on a large number of projects, ranging from large semiconductor chip plants, petrochemical refineries, large office buildings, and research facilities containing complex electrical systems, such as fire alarm, security, motor control, and HVAC control systems.