Technical & Safety · Module 1
General Theory and Electrical Principles
11lessons · ~86 min
219questions
20%of the exam
01Motor Types and ConnectionsDC Series, Shunt and Compound Motors; Single-Phase and Three-Phase AC Motors; Reversing, Speed, Dual-Voltage and Delta/Wye Stator Connections · 9 min · public preview02Transformer ConnectionsTurns Ratio, Polarity and Dual-Voltage Windings, Three-Phase Banks (Delta-Delta, Delta-Wye, Wye-Delta, Wye-Wye, Open Delta), Parallel Operation, Autotransformers and Instrument Transformers · 8 min · public preview03Batteries in Series and Parallel, Meters and Test Instruments, and Splices and Terminations8 min · public preview04Control ComponentsStarters, Pilot Devices, Relays and Timers, Drum Switches, Solid-State Devices and PLCs · 14 min · public preview05Power-Factor Correction and Lighting-Level Calculations8 min · public preview06DC Generators, Alternators and Rotating-Machine MaintenanceBrushes, Commutators, Insulation Testing and Troubleshooting · 9 min · public preview07Transformer MaintenanceInspection, Cleaning, Insulating-Liquid Tests, Winding Tests and Load Testing · 9 min · public preview08How the 2023 NEC Is Organizedand How to Find Anything in Under a Minute · 5 min · public preview09Article 100The Definitions the Exam Actually Tests · 5 min · public preview10Electrical Theory for the ExamOhm's Law, Power, Series/Parallel, Three-Phase · 4 min · public preview11Article 110General Requirements for Equipment: Approval, Instructions, Terminations and Torque, Markings, Lockable Disconnects, Guarding and Enclosure Types · 7 min · public preview
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