[Boatanchors] GFI

[Mark Bell]

Hawwwwwwwwwwwwwwww!!

Good thing I didn't have a mouth full of coffee or my keyboard would be
soaked!!

Mark K3MSB

----- Original Message ----- 
From: "GBrown" <gkbrown at gwi.net>
To: "rkerr" <rrkrr at mindspring.com>; <kulow at epix.net>
Cc: "'Boatanchors List'" <boatanchors at mailman.qth.net>; "'Mark Bell'"
<bell at blazenet.net>
Sent: Tuesday, December 14, 2004 5:22 PM
Subject: Re: [Boatanchors] GFI


> Every time I am taking a bath, the XYL tosses an SX-71 into the tube and
its
> pluged in. Thank god for GFI's.
> Gary
> ----- Original Message -----
> From: "rkerr" <rrkrr at mindspring.com>
> To: <kulow at epix.net>
> Cc: "'Boatanchors List'" <boatanchors at mailman.qth.net>; "'Mark Bell'"
> <bell at blazenet.net>
> Sent: Tuesday, December 14, 2004 5:16 PM
> Subject: Re: [Boatanchors] GFI
>
>
> > In my experience, some old electronic equipment items with two-wire
> > power cords have power line filter circuits that have 0.01 uF or 0.001
> > uF capacitors connected from each of the two power line wires to chassis
> > ground.  This effectively floats an ungrounded chassis at half the line
> > voltage (via a relatively high impedance at 60 Hz..).  If the chassis is
> > then connected to the power system ground, there will be a small
> > unbalanced ground fault leakage current through the capacitor connected
> > to the hot side of the power line to ground.  Sometimes this is enough
> > to trip the GFI.
> >
> > Bob
> > WB4TGG
> >
> >
> > Bob Kulow wrote:
> >
> > >>Anyone ever run into problems using circuit breakers with
> > >>built in Ground
> > >>Fault Interrupters (GFI) on circuits powering boat anchors?
> > >>
> > >>
> > >
> > ><snip>
> > >
> > >I have had some problems with a Cutler-Hammer breaker/GFI combination
> unit.
> > >One fed a garage circuit and would trip whenever I used any brush-type
> motor
> > >on the circuit (power saw, router, et.).  Eventually I replaced it with
a
> > >straight breaker and installed a GFI receptacle in the garage.  That
> worked
> > >Fine with no nuisance tripping.
> > >
> > >It's also a lot cheaper to install a separate breaker and GFI
receptacle.
> > >
> > >73
> > >Bob WA2UEH
> > >
> > >---
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> > >
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> >
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> > $$ For vintage radio info, see the HCI web site $$
> > http://www.w9wze.org
> >
> >
>
>
>