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Re: [Healeys] Ammeter polarity

To: Tom <ah3000me@gmail.com>
Subject: Re: [Healeys] Ammeter polarity
From: Alan Seigrist <healey.nut@gmail.com>
Date: Wed, 19 Aug 2015 10:52:16 +0800
Cc: Healey list <Healeys@autox.team.net>
Delivered-to: mharc@autox.team.net
Delivered-to: healeys@autox.team.net
References: <CANQM1P+ASM+rCSN8UoJPoV9ZFh2fjX_Op9qzROfFjnj1DRdWLA@mail.gmail.com>
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If they have integrated circuits, they may be sensitive to which way the
current flows.  If you get an old british one, it won't matter.

On Wed, Aug 19, 2015 at 9:47 AM, Tom <ah3000me@gmail.com> wrote:

> I have been looking at ammeters on the web, and I've noticed that some of
> them are labeled negative ground only.
>
> I still have the generator in my BJ8, positive ground, and I don't want a
> smoke show.  Are these things really polarity sensitive?  Why can't you
> just wire then backwards?
>
> - Tom
>
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<div dir=3D"ltr">If they have integrated circuits, they may be sensitive to=
 which way the current flows.=C2=A0 If you get an old british one, it won&#=
39;t matter.</div><div class=3D"gmail_extra"><br><div class=3D"gmail_quote"=
>On Wed, Aug 19, 2015 at 9:47 AM, Tom <span dir=3D"ltr">&lt;<a href=3D"mail=
to:ah3000me@gmail.com" target=3D"_blank">ah3000me@gmail.com</a>&gt;</span> =
wrote:<br><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;bord=
er-left:1px #ccc solid;padding-left:1ex"><p dir=3D"ltr">I have been looking=
 at ammeters on the web, and I&#39;ve noticed that some of them are labeled=
 negative ground only.</p>
<p dir=3D"ltr">I still have the generator in my BJ8, positive ground, and I=
 don&#39;t want a smoke show.=C2=A0 Are these things really polarity sensit=
ive?=C2=A0 Why can&#39;t you just wire then backwards?</p><span class=3D"HO=
EnZb"><font color=3D"#888888">
<p dir=3D"ltr">- Tom</p>
</font></span><br>_______________________________________________<br>
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<br></blockquote></div><br></div>

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