While using a digital multimeter to diagnose electrical problems on customers’ equipment, I frequently hear the comment, “I’ve got one of those multimeter things, but I never learned how to use it.” ...

A technician going at an appliance with a multimeter can seem like techno-wizardry, even if they're doing something as boring ...

Given the combination of broken glass and electricity, if a light bulb breaks while still screwed into the socket of a lamp or other light fixture, it’s not a situation to be taken lightly.