Questions & Answers for: Sperry Instruments never ends

How does a Sperry HST401 ensure power is off to a ceiling fan? I just want to use my Sperry HST401 to ensure the power is off to my ceiling fan. I got the lightbulbs out, pinched the clip and touched ...

...way My digisnap has test leads. There are sharp points on one end and the other has plastic blunt ends. Neither end can be plugged into the unit. The sharp ends are too loose and the blunt plastic ...