For electricity to flow, everything needs to be connected in a big ring. It’s called a circuit. For example, the lights in most houses and flats are part of a circuit controlled by the consumer unit, ...

Introduction to fundamental concepts and applications of electrical engineering. Topics include: circuit analysis from dc resistive networks to networks of impedances operating in the sinusoidal ...

Electrical circuits and systems lie at the very heart of modern technology, underpinning applications that range from power supply units and embedded systems to high‐speed communication networks and ...

This course introduces the basic concepts of switched-mode converter circuits for controlling and converting electrical power with high efficiency. Principles of converter circuit analysis are ...

Before you submit an error, please consult our Video Help page. Steve Trash Science is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android ...

The rules of the National Electrical Code are written for people who have a pre-existing knowledge of electricity. In order to make sense of the Code, you must first understand basic electrical ...

San Jacinto College offers Applied Technologies and Trades courses that certify people with the National Council for Construction Education and Research (NCCER) in the areas of welding, electrical, ...

The 2026 National Electrical Code clarifies rules for 10 amp branch circuits, conductor sizes and permitted uses for LED ...