There's no way you can memorize everything in the National Electrical Code. But if you understand why and what is intended, you will be better prepared to remember the details you need for every day use.
Mastering the NEC videos are designed to help electricians, designers, supervisors, contractors and maintainers understand the NEC.
Topics covered:
General vs. Optional Calculation Methods, Dwelling Unit Square Footage, Appliance Circuits, Air Conditioners, Window vs. Central A/C Load Calculations, Sample General Calculation, Use of Demand Factors & Deductions, Overall Service Size, Sample Optional Calculation, Electric Range Calculations, Sample Multi-Family Dwelling Load Calculation, Multi-Family Dwelling Using the Optional Calculation Method.