Hi everyone, Randy here again. I guess I'm not screwing up as bad as I thought because those magazine editors keep asking me to write another column. They said as long as I have something to talk ...

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.” ...

How to check if an area is grounded? Use a multimeter, receptacle tester, and visual inspection of bonding/earthing, ground rod, and service panel; verify ground resistance and continuity per NEC ...