When you get the call, “The motor won’t start,” you’d best have a logical and systematic plan in place to approach the problem. “Easter egging” just doesn’t work unless you happen to be very lucky!

Class A motorhomes and smaller campers typically run on both AC and DC power. The former is your electrical hookup at the campground. It runs the energy-demanding thing like your air conditioner, ...

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 ...

Be careful with single-phase motors, as most single-phase motors have components to help them start or continue to run ...

If you are an electronic experimenter who cannot get his circuit working, this is for you. I really feel your pain as it brings back my own unpleasant memories – yes, we have all been there. Here are ...

Transmitter power is not the sole issue, but rather a combination of power and proximity. The lowly cell phone a few inches away may cause more problems than the broadcast transmitter a mile away. The ...

Apple's power adapters for its laptops can suddenly stop working. Here are some options you can try to overcome this. Topher, an avid Mac user for the past 15 years, has been a contributing author to ...

In some power-supply applications, the pulse-width-modulator (PWM) controller is powered up from an auxiliary winding tapped off the power stages transformer (Fig. 1). This technique reduces power ...

Southern California Edison officials, who have said the utility’s electrical system was “impacted” minutes before the Saddleridge fire broke out on Oct. 10 near Sylmar, provided new details Thursday ...

In Part 1 of this two-part series, we presented a 3-phase, 480VAC motor circuit with its associated controls (Figure). We stepped through a logical, systematic approach to troubleshoot the main power ...