More than 100 years after alternating current (AC) defeated direct current (DC) in the so-called Battle of Currents and became the standard way electricity was delivered, new technologies have opened ...

Ever needed a low power 120volt AC power source for your car, van or truck? Well this circuit should do the trick for you. It will supply 15 watts of AC power to a device. It should power lamps, ...

This circuit is not a novelty, but it proved so useful, simple and cheap that it is worth building. When the positive (Red) probe is connected to a DC positive voltage and the Black probe to the ...

The war of the currents was fairly decisively won by AC. After all, whether you’ve got 110 V or 230 V coming out of your wall sockets, 50 Hz or 60 Hz, the whole world agrees that the frequency of ...

In 1903, as a last-ditch effort to maintain direct current as the standard for distributing electricity around the United States, Thomas Edison presided over a notorious event meant in part to ...

Anyone who is familiar with the early history of the utility industry in the U.S. knows that a battle raged over whether the electric grid should be Direct Current ...

The voltage at which a surge suppressor performs its suppression tasks such as diverting the power line to ground or absorbing the excessive energy. For 120-volt AC power, the clamping voltage is ...

It's tempting to keep your Ryobi charger always ready to go, but what's the real cost of that convenience? Here's what you ...

How power works in a data center: What you need to know Your email has been sent Electricity is often one of the least visible elements of a shiny, state-of-the-art data center. Learn more about the ...

BERKELEY, CA-Researchers at the Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) have teamed with Silicon Valley giants including Sun Microsystems, Intel, Cisco, and others ...

DC racks have a long history- and if you are not currently using DC power distribution, it is pretty certain that you have encountered it in the past, and may still be using it every day - in your ...