ECN Forum Forums General Topics of the Trade Non-US Electrical Systems & Trades Rated voltages in the USA?

Some air conditioners use 240-volts (15 and 20-amp dedicated circuits) and I occasionally see houses and apartments with these outlets installed. Usually though they're in commercial establishments though.

The 15-amp/240 volt American socket looks like this:


240volt /20 amp:


The 20 amp socket can accept 15-amp 240 volt caps.

There's also this 30-amp configuration (looks like the 15-amp but it's much larger) - probably used for air conditioners in stores:



I've also seen this dual-voltage outlet (120/240 volts 20 amps) in some places




[This message has been edited by SvenNYC (edited 05-05-2003).]