Origin Of The National Electrical Code® – Process Of Revising The Code – Electrical Calculations With A Calculator – Example Of String Multiplication – Example Of Addition And Multiplication – Example Of String Multiplication And Division – Fundamentals Of Electricity – Ac And Dc – Metric Conversions – Wire Dimensions – Wire Resistance – Ohm’s Law – Circuits – Power And Work Formulas – Efficiency – Student Practice Problems – Code Discussion – Art Annex H Administration And Enforcement – Art Introduction – Art Definitions – Art Requirements For Electrical Installations – Art Use And Identification Of Grounded Conductors – Art Wiring Methods – Art Conductors For General Wiring – Art Armored Cable – Art Flat Conductor Cable – Art Mediumvoltage Cable – Art Metalclad Cable – Art Mineralinsulated, Metalsheathed Cable – Art Nonmetallicsheathed Cable – Art Power And Control Tray Cable – Art Serviceentrance Cable – Art Underground Feeder And Branchcircuit Cable – Art Nonmetallic Extensions – Art Concealed Knobandtube Wiring – Art Temporary Installations – Ch Tables And – Sizing Conductors For A Circuit – Using The Code To Answer Questions – Student Code Practice – Major Changes To The Code .