Hobart’s Stickmate 160i Dual Voltage Inverter Welder operates on either 120- or 220-volt circuits, with a max output of 160 amps when connected to a 220-volt power supply.

Not knowing what I'm talking about, I think I have a suggestion. The Wii has an external power supply (a cable-wart), which does the AC/DC conversion. You might be able to just phone up Nintendo ...

With this simple circuit configuration, an optoisolator can drive a standard 2N2222 transistor output high or low to indicate if the line voltage is 120 V or 220 V ac.

“We offer a variety of 220 and 240 voltage converter packages for different applications that can deliver up to 20 amperes or a total of 4800 watts from your existing 110-120 volt standard ...

Bill Decker’s Miller welder, stashed against a tool box on the front wall of his Wilcox truck body, doubles as an APU and makes 220-volt power to run heavy tools. The genset at his feet produces ...

A 220-volt power option is now available on the 1.5-, 2- and 3-horsepower motor-driven concrete vibrators from Stone Construction Equipment. With 115-volt power as standard, the concrete vibrators are ...

LED has become more and more popular for use as light indicator because of its low cost and long life. Unfortunately the LED works only at low voltages and even then you need to use a resistor in ...

The common 120-volt circuits that power everything from your lava lamp to your vacuum cleaner are powered by one of those two buses. The standard 15- or 20-amp circuit breakers work by clipping ...