413-542 — ABC Construction Electrician 3
Introduces AC voltage: how it applies to magnetism; electrical symbols; line diagrams; current design and protection of circuits, motor controls, capacitance and inductive circuits, transformers, blueprints, and RC and RL time constants. Students continue studies in Safety and National Electrical Code with emphasis on grounding, over-current protection and box fill. Must be a state-contracted apprentice to enroll in this course. (Prerequisite: 413-541 ABC Construction Electrician 2)