Q: I have a tenant who complained that a light fixture wouldn’t light. After I replaced the switch, the light still wouldn’t come on. I realized that all the bulbs were out. Anyway, is there a way to ...

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.” ...

Let’s face it: Diagnosing electric problems is a pain, to say the least. You can get far with a test light and your trusty digital multimeter, but you still might end up just throwing parts at the ...

Keithley Instruments has added the Model 3731 6×16 switch-matrix plug-in card to its Series 3700 switch/multimeter family. The company says that the card's voltage and current characteristics (200 V, ...

Keithley Instruments at Semicon West introduced Keithley Test Environment Interactive (KTEI) V7.1 for the company’s Model 4200-SCS semiconductor characterization system. The company also announced an ...

With the StarTech.com USB-C Power Tester, you can easily look for charging problems in your setup. It’s a quick and easy way to ensure your devices are getting all the power they’re supposed to. I ...