AC switchs are built lighter duty, to save on cost, so using the ac power plug for swithcing current is a better way.
> Even though you can run these devices on DC, the switches on these > appliances are not suitable for DC, only AC. You risk a fire. You can close > the switch just fine on, say, your hairdryer, but when you attempt to turn > it "off", the DC will often simply arc across the switch, and current will > continue to flow. This arc will start a fire. > > AC turns off and switches polarity 120 times per second, which > extinguishes the arc when switches and fuses open. DC is steady with not > breaks or reversals. > > You get a small warning when this happens. The switch will make a small > "hiss" and the appliance only partially shuts off. Turn the switch back > on and pull the plug. There will be an arc at the plug and you may avert a > fire. The switch is typically toast, however. > _______________________________________________ UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub http://lists.evdl.org/listinfo.cgi/ev-evdl.org Read EVAngel's EV News at http://evdl.org/evln/ Please discuss EV drag racing at NEDRA (http://groups.yahoo.com/group/NEDRA)
