Well-known industry author and instructor Jim Johnson is offering a new video for technicians who want to sharpen their troubleshooting skills. "This HVAC training video program, is available in DVD ...

ELECTRICAL FAILURES: “Although there are a number of mechanical problems that cause an air conditioning system to fail, the vast majority — over 75 percent — of air conditioning system failures are ...

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, ...

A circuit always has a battery (cell) but it can also contain other electrical components, such as bulbs, buzzers and motors. When drawing circuit diagrams, rather than drawing detailed components, we ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...

For homebuilt aircraft builders looking to streamline the complex process of electrical system design, “Wiring Planner” by One Mile Up offers a dedicated solution. The computer-aided design (CAD) ...