[R-390] R3 GFCI clarification

[Barry Hauser]

Right-O Roy .. of the R-39X series, only the R-392 is rated for bathtub, hot 
tub and pool use with the proper LS-166 speaker.  Just don't splash onto the 
wires leading to the AC supply.  Best to use batteries.  Same deal on those 
"shower radios" -- not for bathtub use when plugged into the wall wart when 
you read the fine print.

Now to help douse that Line Filter/GFCI conflagration with jet fuel and some 
possible misinformation:

It's a known fact that the line filters, even when working right, will trip 
a GFCI.  My understanding, though, was that more modern line filters may 
not, or if you use new disk capacitors made for the purpose (usually rated 
.01 mfd, 500 volts and up -- maybe 2000?

I've seen some Corcom filters that have integral standard line cord sockets. 
I seem to recall a listmember posting that he replaces the original line 
filter with these and adjusted the back panel to allow the use of a standard 
equipment cord (as on your PC's, lots of test equipment, etc.)

They also make the equivalent with solder terminals.

I'm basically repeating back what I read here some time back, so somebody 
jump in who's been there/done that.

Barry



----- Original Message ----- 
From: "Roy Morgan" <roy.morgan at nist.gov>
To: <r-390 at mailman.qth.net>
Sent: Monday, April 24, 2006 1:25 PM
Subject: RE: [R-390] R3 GFCI clarification


> At 01:09 PM 4/24/2006, Craig C. Heaton wrote:
>>I balance my R-390/A on my knees while playing with the rubber ducks.
>>Doesn't everyone?
>
> Craig,
>
> You are obviously ill-equipped.  Get an R-392. They float. Unfortunately, 
> they float controls side down. Maybe you could get a snorkel and face 
> mask. Maybe you could get some floatation thing to keep it upright.
>
> Anyway, Happy Splashing.
>
> Roy
>
> PS: I view the horse being beaten from a distance and have thus far 
> avoided comment on the line filters sometimes passing 3 to 6 ma of ac 
> current, and that GFCI's sometimes are *rated* at 5 ma current 
> differential, and that some folks have houses where basement outlets are 
> GFCI protected one way or another, and also from telling diatribe type 
> stories on how a fused line cord can make a widow out of your wife.
>
>
>
> - Roy Morgan, K1LKY since 1959 - Keep 'em Glowing!
> 7130 Panorama Drive, Derwood MD 20855
> Home: 301-330-8828 Cell 301-928-7794
> Work: Voice: 301-975-3254,  Fax: 301-948-6213
> roy.morgan at nist.gov --
>
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