Is The Trades Life For You?
A Free Introduction to the Electrical Trade
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Introduction to Electrical Circuits
This first-year course introduces students to the basic principles used to understand electrical circuits. Students will build a foundation for recognizing circuit components, following current paths, and applying essential electrical relationships.
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Electrical Theory
Electrical theory doesn’t have to leave you staring like a deer in the headlights. Learn how resistance behaves in series, parallel, and series-parallel circuits. Reduce complex circuits, rearrange and apply Ohm’s law, and use Kirchhoff’s laws to verify your work. Plain-English explanations, practical analogies, and step-by-step labs help journeyman and electrical students understand the laws that run every circuit.
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Construction Drawings
Learn how to navigate and interpret electrical construction drawings. This first-year course introduces drawing sets, title blocks, drafting lines, architect’s and engineer’s scales, electrical symbols, branch-circuit and power plans, block and schematic diagrams, specifications, change orders, and RFIs. Build the plan-reading skills needed to locate information and communicate accurately on the job.
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Free Sample Exam — Try Before You Enroll
A free 12-question sample exam — one question from each of our 12 full practice exams. Every answer includes the real NEC code section plus my own keywords and notes, just like the full course. Take it, get your score instantly, and see exactly how The Junction Box prepares you to pass your state exam.
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Unlock at Level 3
Thermal Imaging: What the Camera Won't Tell You
Infrared cameras are showing up on more job sites every year, and most people holding one were never taught how they work. Learn how the camera reads temperature, why it lies on shiny surfaces, and how the pros work around it. Includes a hands-on lab you can do tonight with a cup, hot water, and electrical tape. No live panels, no risk. A camera helps, but you can follow the demo footage if you don't have one. Taught by a licensed C-10 contractor with years of industrial scans behind him.
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Unlock at Level 5
Code Ready: Electrical State Exam Prep
NEC-based exam prep for electricians working toward their state Journeyman license. 800+ multiple choice questions across 12 exams — odd-numbered untimed, even-numbered timed. All content updated to the 2023 NEC, the current state testing standard. Questions and answers shuffle randomly, so every attempt is a fresh test. Retake as many times as you need. Every submission includes full feedback: correct answers, code references, step-by-step math, and keywords. Study smart. Pass with confidence.
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Unlock for $97
"BUY NOW" - Thermal Imaging Course
Infrared cameras are showing up on more job sites every year, and most people holding one were never taught how they work. Learn how the camera reads temperature, why it lies on shiny surfaces, and how the pros work around it. Includes a hands-on lab you can do tonight with a cup, hot water, and electrical tape. No live panels, no risk. A camera helps, but you can follow the demo footage if you don't have one. Taught by a licensed C-10 contractor with years of industrial scans behind him.
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Unlock for $97
"BUY NOW" - Code Ready: Electrical State Exam Prep
NEC-based exam prep for electricians working toward their state Journeyman license. 800+ multiple choice questions across 12 exams — odd-numbered untimed, even-numbered timed. All content updated to the 2023 NEC, the current state testing standard. Questions and answers shuffle randomly, so every attempt is a fresh test. Retake as many times as you need. Every submission includes full feedback: correct answers, code references, step-by-step math, and keywords. Study smart. Pass with confidence.
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