If you not concerned about reducing the voltage to zero, you could use a 120 volt unit from neutral to one side, that would give you primary adjustment from 120 to 240 volts. Mark Graalman ___________________________________________________________________ Get the Internet just the way you want it. Free software, free e-mail, and free Internet access for a month! Try Juno Web: http://dl.www.juno-dot-com/dynoget/tagj.