Re: 110, 115, 117, 120 or 125 VAC ???
From: Atle Jorstad[SMTP:anjorsta-at-online.no]
Sent: Saturday, January 03, 1998 8:38 AM
To: Tesla List
Subject: Re: 110, 115, 117, 120 or 125 VAC ???
At 10:40 PM 1/2/98 -0600, you wrote:
>Sent: Friday, January 02, 1998 7:23 PM
>To: tesla list
>Subject: 110, 115, 117, 120 or 125 VAC ???
>I am curious about mains voltage and equipment ratings. I have
>transformers, computers, and all kinds of appliances that can't seem to
>agree on what voltage they would like to be given. 110, 115, 117, 120
>and 125 seem to be the most popular values, but why so many subtle
>variations? Are these different standards for different parts of the
>country? My home's service clearly measures 120.0 VAC, but my newest
>variac is calibrated for 115V input. That's why I ask.
>Ditto for the 220, 225, 230, 240 VAC appliances.
Im not sure, but this might be it: The voltage near a distribution
transformer is higher than far away from it. (I live very close to one, here
its about 245 VAC instead of 230. Light bulbs doesnt last long here :))