MOV's and safety

[Ed Kotkiewicz]

Steve and Anne Ray wrote:

> I also found an interesting problem similar to what you describe.  I was
> wiring in a Ground Fault Interrupter in the kitchen of my father-in-law's
> house and it kept popping over.  I traced it to a surge protector.   I then
> tried the surge protector on three ground fault circuits in my own home and
> found it would pop them over also as soon as you plugged it in.  It never
> did pop a fuse or circuit breaker.  Needless to say I deliberately broke the
> surge protector in two and threw it away.

EK> Dang...missed opportunity to analyze.  You do make a very interesting point in
checking these buggers out against a GFI.  Thanks for the tip......

Steve, what you did was probably the cheapest and safest method.  Having worked in
aerospace reliability, I have great curiosity when it comes to such
things................G)

Ed

>
>
> 73,
> Steve Ray K4JPN ex K1VKW HW-101, HW-8, OHR-100A, SWL 30-40,  NC 38S,
> HeathKit fan and last but not least an Elecraft K2.
> Warner Robins GA EM82fp
>
> ----- Original Message -----
> From: "Multi-Volti Devices" <multi-volti at SOFTHOUSE.COM>
> Sent: Wednesday, October 25, 2000 6:37 PM
> Subject: MOV's and safety
>
> > Hello:
> >
> > Never put a(n) MOV across power lines before a fuse...with each
> > transient, the MOV deteriorates slightly, and the eventual failure mode
> > is short circuit.
> >
> > They don't sound good when they go.
> >
> > Murray
> >
>
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