[R-390] line filter for EAC R390A

[rbethman]

Richard W. Solomon wrote:
> What has all that got to do with using the third wire as a ground ??
>   

Precisely what I wrote!  The third wire is doing what it is supposed to 
do!  It conducts the leakage back to the panel.

With leaky filters, this is seen by the GFI as FAULT!  Therefore, it trips.

What has the neighbor got to do with an old system that has leaky filters?
> I removed the filter since I was not concerned with the neighbors checking
> up on what I was listening to.
>
> 73, Dick, W1KSZ
>
> -----Original Message-----
>   
>> From: rbethman <rbethman at comcast.net>
>> Sent: Jul 26, 2009 4:29 PM
>> To: R-390 at mailman.qth.net
>> Cc: "Richard W. Solomon" <w1ksz at earthlink.net>
>> Subject: Re: [R-390] line filter for EAC R390A
>>
>> Dick,
>>
>> GFIs "see" current in the ground as a "fault" above the limit that a 
>> GFCI "can" allow.  So the saying that the grounding through the "third" 
>> or "green"/"bare" IS what is popping the GFI.
>>
>> An R-390a with the old filters will stay on when it happens to NOT be on 
>> a circuit protected by GFI devices.
>>
>> Bob - N0DGN
>>
>> Richard W. Solomon wrote:
>>     
>>> Are you saying that grounding through the third wire of the line
>>> cord is not sufficient ? Maybe that's why the thing kept popping
>>> the GFI.
>>>
>>> 73, Dick, W1KSZ 
>>>
>>> -----Original Message-----
>>>   
>>>       
>>>> From: 2002tii <bmw2002tii at nerdshack.com>
>>>> Sent: Jul 26, 2009 2:52 PM
>>>> To: R-390 at mailman.qth.net
>>>> Subject: Re: [R-390] line filter for EAC R390A
>>>>
>>>> Dick wrote:
>>>>
>>>>     
>>>>         
>>>>> What folks are alluding to is the nasty habit of the Line Filter 
>>>>> popping the GFI.
>>>>> That's why I pulled mine.
>>>>>       
>>>>>           
>>>> Note that the ability of the 390 line filter to trip a GFI arises 
>>>> because the line filter has high leakage current (capacitively 
>>>> coupled, not galvanic, but high leakage current nonetheless).  If you 
>>>> do not securely ground a radio that has an original line filter, you 
>>>> can get a respectable shock from the radio chassis.
>>>>
>>>> Best regards,
>>>>
>>>> Don
>>>>
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>>>>         
>>> ______________________________________________________________
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>>>   
>>>       
>> -- 
>> +------------------------------------------------------------------+
>> |             AM Amateur Radio Operator    NØDGN                   |   
>> +------------------------------------------------------------------+
>> | Bob Bethman                \\\|///     " The absence of a danger |
>> |                           \\ ~ ~ //      signal does *NOT* mean  |
>> | rbethman at comcast.net      (/ @ @ /)      that everything is OK " |
>> +-------------------------oOOo-(_)-oOOo----------------------------+
>>
>>     
>
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-- 
+------------------------------------------------------------------+
|             AM Amateur Radio Operator    NØDGN                   |   
+------------------------------------------------------------------+
| Bob Bethman                \\\|///     " The absence of a danger |
|                           \\ ~ ~ //      signal does *NOT* mean  |
| rbethman at comcast.net      (/ @ @ /)      that everything is OK " |
+-------------------------oOOo-(_)-oOOo----------------------------+