There’s a small AC-line device that has received a lot of favorable media coverage lately. It’s called Ting from Whisker Labs, Inc. and its purpose is to monitor the home AC line, Figure 1. It then ...

Let’s face it: every engineer with any hands-on experience has at least one tale of a challenging debug battle fought and eventually won (or at least presumed to have been won). This is the scenario ...

The National Electric Safety Code (NESC) includes a clause sometimes referred to as the “5-mA Rule,” which states: For voltages exceeding 98 kV ac to ground, either the clearances shall be increased ...