In the world of industrial electrical installation, few components cause as much confusion as the humble cable gland. It is the gatekeeper of the enclosure, the mechanical retention for the cable, and the last line of defense against environmental ingress. However, for engineers working ...

In 1892, a coal mine in Johnstown, Pennsylvania, exploded after an electrical spark ignited trapped methane gas. More than 100 miners lost their lives that day—a tragedy that was far too common in the Gilded Age. As newspapers reported the disaster, two young electrical ...