2005 Mastering the NEC - Overcurrent Protection, Continuous Loads, Transformers and Tap Rules VHS # 7
Mastering the NEC videos can be used to train and re-train electrical staff!
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 DVDs are designed to help electricians, designers, supervisors, contractors and maintainers understand the NEC.
Topics covered:
Overcurrent Protection, Protection of Transformer Secondary Conductors, Standard Fuse & Circuit Breaker Sizes, Feeder Tap Rules, Overcurrent Protection for Transformers Equal to or Less Than 600 Volts, Transformer Overcurrent Protection for Transformers Over 600 Volts and Transformer Secondaries, Transformer Tap Rules, Multiple Transformer Taps, Continuous Load Calculations: Conductor Size vs. Fuse or Circuit Breaker Size, Derating & Overcurrent Protection, Ground-Fault Protection.