First, search a topic. Then, pick one guide and finish a quick task. Afterward, use the checklist to confirm the result. Additionally, each article links to tools and study maps, so you can learn fast and act with confidence.
To start, browse the latest posts. Then, pick one guide and try a single task. Afterward, use the checklist to confirm the result. In addition, each article links to tools and study maps, so you can learn and act with confidence.
All articles
Why Is Electrical Grounding Important? Safety Tips & Best Practices
Watch Now: What Is Grounding? How to Ensure Electrical Safety? This video explores the fundamentals of grounding and its crucial […]
Why Great Engineers Aren’t Afraid to Make Mistakes
Ever been scared of screwing up?If you’ve ever worked on a job site, you know that feeling—especially when you’re just […]
Why Great Employees Fail in the Wrong Roles—NBA-Style Insights
🏀 NBA Trade Season’s Here, But Are You Making the Right Trades at Work? Or put people in Wrong Roles […]
Why “It’s Easy, Right?” Makes Every Engineer Cringe
After enough time on the job site, you start to tune out the dust, the noise, and even working in […]
What Is Electricity ? Everything You Need to Know
Watch Now: Master the Core Concepts of Electricity! Explore the basics of electricity in this video! Understand current, voltage, and […]
What Construction Work Teaches About Patience, Progress, and Personal Growth
Building Takes Patience—and a Little Faith When you’re out on a construction site with construction work, every single day is […]
Waveform Types Explained: Sine, Square, and Sawtooth Made Simple
▶️ 立即觀看：交流變直流有多難？整流器一次看懂！ 你知道嗎？手機、筆電、各種電子設備，其實都吃「直流電」。但插座送來的卻是交流電——這中間， 整流器 扮演了關鍵角色！ 本集帶你秒懂整流器的工作原理，從半波、全波到橋式整流，看它如何讓電流穩定下來，撐起整個系統。 Ever seen those wavy lines on a heart monitor? Or the sound waves jumping […]
Voltage Tester Basics: When and How to Use One for Home Safety
Have you ever been here?You’re about to swap out a lightbulb or fix an outlet, your hand is hovering near […]
Understanding Impedance and Reactance: A Practical Guide for Engineers
Watch Now: Understanding Impedance – Resistance, Inductive Reactance, and Capacitive Reactance! Discover how impedance shapes AC circuits by influencing current […]
About this library
This page is your index for all electrical guides on Engineer Tsai. Moreover, you can search and filter tutorials covering basics, home wiring, components, safety and troubleshooting. Because each guide keeps theory short and focuses on steps, diagrams and checklists, you learn faster. As a result, you can move from reading to doing with less guesswork.
Topics we cover
Electrical fundamentals · Ohm’s law · AC/DC basics · Home wiring and outlets · Protective devices and relays · Meters and safe measurement · Components and LED drivers · Troubleshooting common faults and practical fixes.
How to use this page
- First, use the search box or category pills to find a topic.
- Next, open one guide and complete a single task with the checklist.
- Finally, save the tools and diagrams linked inside each article for later jobs.
FAQ
Where should beginners start?
For beginners, start with Tutorials, then the “Electrical Basics” path; after that, move to wiring and safety.
Are these tutorials safe for DIY?
Yes, but always follow safety notes; if unsure, consult a licensed professional.
What tools do I need?
Typically, a non-contact tester, a multimeter, insulated screwdrivers and proper PPE are enough.
What’s the difference between Articles and Tutorials?
In short, Tutorials are step-by-step lessons, whereas Articles are quick reads for specific topics.
Can I use these guides for my home wiring?
However, codes differ by region; therefore, always follow your local electrical code.
Popular paths: