SCOUG-HELP Mailing List Archives

<< Previous Message << >> Next Message >>

Date:	Sun, 9 Mar 2003 21:35:33 PST8
From:	"George M. Boyd" <bb385@lafn.org >
Reply-To:	scoug-help@scoug.com
To:	scoug-help@scoug.com
Subject:	SCOUG-Help: Re: Help with UPS...?

Content Type: text/plain

=====================================================
If you are responding to someone asking for help who
may not be a member of this list, be sure to use the
REPLY TO ALL feature of your email program.
=====================================================

Peter Skye wrote:
>
> =====================================================
> If you are responding to someone asking for help who
> may not be a member of this list, be sure to use the
> REPLY TO ALL feature of your email program.
> =====================================================
>
> Steve Carter wrote:
> >
>
> Hi Steve, good to have an expert in on this.
>
> > The standard color scheme for 120V AC is:
> > White = neutral
> > and
> > black = "Hot"
>
> Yes, standard as per electrical code. White is the "good guy" (you can
> touch it all day and it won't mess up your hair) and black is the "bad
> guy" (the shorter of the two slots where you plug something into the
> wall).
>
> > The standard color scheme for 12V DC is
> > red = positive
> > and
> > black = negative
>
> Is this a true standard or did you mean "typical"?
>
> > Negative ground systems are most common
>
> I'm not much of a car mechanic, but didn't they used to ground (to the
> chassis) the positive side of some cars' electrical systems? I seem to
> remember (from 40 years ago) being told never to jumpstart two cars
> while their bumpers were touching because some cars grounded one side
> and some grounded the other side and you were likely to make more than
> just the starters jump. I know this has no bearing on UPS systems but
> I'm curious.
>
> - Peter

English cars - it figures.

George

=====================================================

To unsubscribe from this list, send an email message
to "steward@scoug.com". In the body of the message,
put the command "unsubscribe scoug-help".

For problems, contact the list owner at
"rollin@scoug.com".

=====================================================

Return to [ 09 | March | 2003 ]

SCOUG, Warp Expo West, and Warpfest are trademarks of the Southern California OS/2 User Group. OS/2, Workplace Shell, and IBM are registered trademarks of International Business Machines Corporation. All other trademarks remain the property of their respective owners.