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
Fundamentals of Voltages: How to Drive Current?
Watch Now: How Voltages Drives Current Safely! Discover the basics of voltages, how it drives current, and its key role […]
Short Circuit: What It Is and How to Prevent It
Watch Now: Learn the Dangers of Short Circuits and How to Prevent Them! Discover the causes, types, and impact of […]
How Electromagnetic Wave and Electricity Shape Modern Technology
Watch Now: Explore the Link Between Electromagnetic Wave and Electricity! This video explains the interaction between electromagnetic wave and electricity, […]
Series vs. Parallel Circuits: What You Need to Know
Watch Now: Discover the Key Differences Between Series and Parallel Circuits! This video explores the definitions, characteristics, and applications of […]
Resistors: Functions, Types, and Applications You Need to Know
Watch Now: Discover the Importance of Resistor in Circuits! This video introduces what resistors are, how they control current, and […]
Ohm’s Law: A Simple Guide to Voltage, Current, and Resistance
Watch Now: Discover How Ohmic Automation Powers Circuit Design! Learn the basics of Ohm’s Law, current, voltage, current, and resistance, […]
Conductors and Insulators: Practical Guide to Electrical Safety
Watch now: Learn how conductors and insulators protect us! This video will quickly cover the definitions, characteristics, and roles of […]
The Fundamentals of Circuits: Power, Wires & Load
Watch now: Discover the basics of circuit components! Learn how power supplies, wires, and loads work together to form a […]
Mastering DC and AC Power: Everything You Need to Know
Watch Now: DC vs. AC Explained! Quickly uncover the definitions, characteristics, and uses of these two currents. Unlock the mysteries […]

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.
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