WINSTON-SALEM, N.C. — At the end of a tree-lined cul-de-sac in a nice part of Winston-Salem, is the home of Elizabeth Alexander. “It’s kind of quiet. Much different from what used to be,” Alexander ...

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 ...