Monitoring power quality becomes increasingly imperative as the modern power grid changes with the addition of green energy sources and as coal-fired generating plants continue to be taken out of service. “As loads increase...

Thermal imagers have become a basic tool for many electricians. These infrared cameras detect and document abnormal temperatures of electrical equipment such as motors, electrical cabinets and wiring, alerting technicians to...

Fire and safety issues, wasted energy, unexpected breakdowns, unnecessary wear on equipment, early replacement—these are some of the serious and costly problems that can result from improperly operating electric motors. To...

The digital multimeter (DMM) is a basic tool among the wide variety of testers available today. Following, six multimeter manufacturers discuss the latest trends in this essential product category. “The multimeter continues...

A building’s electrical system must be properly grounded to ensure it functions properly, to prevent damage to the system’s components, and, of course, to protect people from potentially deadly electrical shocks.
 It is...