A multimeter might look intimidating, but learning to use this simple electrician's tool will come in handy during a number of every day tasks.

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 ...

As semiconductor packages grow more complex, conventional continuity tests are no longer adequate for screening out open circuits and pin-to-pin shorts. Most test methods were designed for devices ...