Electrical Fundamentals Online Course

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About Course

Trades Online Academy’s Electrical Fundamentals Online Course is built to take complete beginners from “no experience” to jobsite-ready confidence by teaching how electricity works, how residential systems are assembled, and how electricians think through safety, code, and troubleshooting. Instead of memorizing terms, students learn practical principles they can apply on real crews.

The course begins with the role of the electrician, daily jobsite expectations, and the safety culture required around energized systems. Students learn how electricity injures and kills, shock vs arc flash hazards, Lockout/Tagout procedures, PPE requirements and ratings, OSHA rules, ladder safety, live-work limitations, and emergency response—developing the accountability and risk awareness expected in the trade. Next, students build a clear foundation in electrical theory: voltage, current, resistance, Ohm’s Law, series vs parallel circuits, AC vs DC power, and how power, load, and heat relate to wire failure and breaker trips.

From there, the course moves into hands-on fundamentals: tool categories, test equipment basics, wire types and insulation ratings, boxes/devices/connectors, conduit applications, fasteners and supports, and core residential systems like services, panels, branch circuits, and load management. Students also learn the devices and protection systems electricians deal with every day—receptacles, switches, lighting, GFCI and AFCI protection, and special-location requirements for kitchens, bathrooms, garages, basements, and outdoor work. The course closes with introductory troubleshooting, teaching a repeatable process to diagnose common residential problems using safe testing methods and symptom-based logic.

By the end, students can navigate essential NEC concepts, avoid common residential mistakes, communicate professionally on jobsites, and approach electrical work with the safety discipline and fundamentals needed to advance into apprenticeship-level field training.

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What Will You Learn?

  • You’ll understand what electricians actually do day-to-day, and how expectations differ in residential vs commercial work.
  • You’ll know how to navigate the NEC quickly—using definitions, chapter structure, exceptions, and tables instead of guessing.
  • You’ll be able to explain and apply core safety systems: shock risk, arc flash awareness, lockout/tagout basics, PPE purpose, and OSHA-style jobsite accountability.
  • You’ll understand how electricity behaves in real circuits (voltage, current, resistance, AC vs DC, power, load, and heat).
  • You’ll be able to identify why breakers trip and wires fail—separating overload problems from faults and connection issues.
  • You’ll know the fundamentals of branch circuits, load stacking, and why dedicated circuits prevent nuisance trips and voltage drop complaints.
  • You’ll understand grounding concepts clearly—neutral vs equipment ground vs grounding electrode system—and why bonding is critical for fault clearing.
  • You’ll be confident selecting and installing common devices (receptacles, switches, lighting), including GFCI/AFCI protection and special-location considerations.
  • You’ll recognize the most common residential mistakes that cause failed inspections, call-backs, shocks, and fires—and how to prevent them with workmanship and planning.
  • You’ll have a repeatable troubleshooting process (observe → isolate → test → confirm → repair → verify) to diagnose common residential electrical problems safely.

Course Content

Section 1: Introduction To The Electrical Trade

  • Lesson 1: The Role of the Electrician (Residential vs Commercial)
  • Lesson 2: Career Paths, Licensing & Advancement
  • Lesson 3: Daily Jobsite Expectations
  • Lesson 4: Safety Culture & Accountability
  • Lesson 5: Tool Categories Overview

Section 2: Electrical Safety & OSHA Basics

Section 3: Electrical Theory For Electricians

Section 4: Tools, Materials & Wiring Methods

Section 5: NED Fundamentals & Code Navigation

Section 6: Residential Electrical Systems

Final Exam