Class 1, 2, and 3 circuits are classified as remote-control, signaling, and power-limited circuits in the National Electrical Code (NEC). The NEC defines such circuits as that portion of the wiring ...

Different models, such as water flowing in a central heating system, can be used to understand electrical circuits. Find out more with BBC Bitesize. For students between the ages of 11 and 14.

Power supplies use control-loop circuits to produce constant voltage or current. The transfer function—gain and phase as a function of frequency—provides valuable information about a control loop’s ...

RVs can have electrical problems too. It’ll likely have you asking, where your circuit breaker is. Fortunately, you can identify—and fix—many electrical issues with ease.

A good layout design optimizes supply efficiency, alleviates thermal stress, and most importantly, minimizes the noise and interactions among traces and components. To achieve these, it is important ...

We’ve all seen those cheap bench power supply units (PSUs) for sale online, promising specifications that would cost at least a hundred dollars or more if it were a name brand model. Just how ...

In the first installment of this three-part series of articles, featured in the August 2024 print issue and online, we discussed fire pump requirements along with Code-related references in the ...

Toshiba’s new 100V N-ch power MOSFET with low On-resistance and an expanded safe operating area supports miniaturization of power supply circuits.

“They don’t build ’em like they used to.” There’s plenty of truth to that old saw, especially when a switch-mode power supply from the 1940s still works with its origi… ...

Residential electrical branch circuit breakers incorporate electronic and electrical technology in Arc Fault Circuit Interrupters that can turn off power to prevent fires if arcing occurs.

Eaton’s eMobility business secures a contract to supply power distribution units and fuses to global battery electric commercial vehicle manufactuer.