Because the wiring and the inputs and outputs (I/Os) are the most vulnerable elements in a system, be sure to locate and identify these elements in the problem circuit. Sometimes, the only way to test ...

In this installment, we apply the concepts developed in last month’s installment by demonstrating how they can be used to help troubleshoot problems in LC involving pressure and flow. The analogy that ...

Circuit breakers are at the heart of every modern power system. To ensure the systems are properly protected, it’s essential the breakers should operate correctly when called upon to do so. This means ...

The SureTrace™ Circuit Tracer Pro redefines what a circuit tracer can do. With numerical voltage readings, continuity testing, AC amperage readings, contactless tracing, and receptacle testing, it's ...

Broadcast consultant Tom Osenkowsky recently constructed a panel with two vu meters and a DPDT switch. The switch allows him to configure the meters to display conventional Left and Right channels or ...

Catching the stray solder paste. Manufacturing defects in surface mount technology (SMT) assembly can prove persistent and challenging to diagnose without a structured troubleshooting approach. When a ...

Anyone who has used electrical or electronic products knows that electromechanical components such as cables and connectors are often a source of problems ranging from obvious to intermittent to ...

MORRISTOWN, NJ — Want to improve your hvacr circuit troubleshooting accuracy? Make sure that the ammeters you use are appropriate for today’s electrical loads, many of which have electronic signals ...

Troubleshooting live electrical circuits can pose a hazard not only to the equipment being worked on, but more importantly, to the person performing the labor — especially if that individual lacks ...