TRANSFORMERS
Types of Transformers, Dry-Type, Liquid Filled, Cast Coil Designs, Temperation Ratings, Fan Cooling, Insulation Characteristics, Percent Impedance, Harmonics and K Factor, Transformer Protection Based on NEC® Article 450, Inrush Current, In Class Problems, Sizing and Protecting Transformers
MOTOR CIRCUITS
NEC® Article 430 Requirements, Motor Nameplate Full Load Amps vs. NEC Table’s Full Load Amps, Locked Rotor and Overload Protection, Insulation Class / Service Factor, Motor Tables, Sizing of Feeders, Protection, Motor Short Circuit Protection, In Class Problems – Designing Motor Circuits
GROUNDING
Grounding Electrode System Requirements, Equipment Grounding Conductor Selection, Separately Derived Systems, NEC® Article 250, Solidly Ground and Un-Grounded Systems, High Resistance Grounding, Ground, Ground Loops and Power Quality Issues
HAZARDOUS/CLASSIFIED LOCATIONS
Class I, II, and III, Divisions and Groups, Explosion Proof Equipment, Intrinsically Safe Circuits
LIGHTNING PROTECTION
Concept of Lightning Protection, Air Terminals, Conductors, NFPA 780 Requirements
GENERATORS
Emergency Vs. Standby, Selection of Generator and Prime Mover, Gasoline, Gas (LP/Natural), Diesel Driven, Design Considerations, Generator Loads
AUTOMATIC TRANSFER SWITCHES
Size and Withstand Current Ratings of Transfer Switches, 3 Pole vs. 4 Pole, Protection of the ATS
UNINTERRUPTIBLE POWER SUPPLIES
UPS Systems, Types, Heat Loss, Compatibility with Generators
CASE PROBLEM
Designing a Transformer Circuit for an Industrial Facility