[RE-wrenches] AC voltage in North America

[Darryl Thayer]

When I was an electrical apprentus back in the late 40's we called it 110/220 then in the fifties the voltage was reised to 115/230  and some time in the 1960 it was raised to 120 240 
 
Darryl

--- On Mon, 10/18/10, Marco Mangelsdorf <marco at pvthawaii.com> wrote:


From: Marco Mangelsdorf <marco at pvthawaii.com>
Subject: [RE-wrenches] AC voltage in North America
To: "'RE-wrenches'" <re-wrenches at lists.re-wrenches.org>
Date: Monday, October 18, 2010, 8:27 PM








I just don’t understand it.
 
Lots of people—from reporters to homeowners—consistently refer to the AC voltage in their homes as “110/220.”
 
Where does this come from?
 
If North American utilities were putting out power at that voltage range, they would be in serious trouble.
 
Anyone able to educate me on this matter?
 
marco
 
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