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 Ground lugs

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PostSubject: Ground lugs   2011-06-09, 7:54 am

Hello all, On my GE restore I have notice that they did not use any ground lugs but just spot soldered bare wires to the chassis direct. You can see one at the top of photo. Just wondered if this will be a good ground instead of normal lugs. Never seen this before. Probably to keep cost down??
Cliff
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Cliff Jones
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PostSubject: Re: Ground lugs   2011-06-09, 10:34 am

Yes that is common, I think its better that way so you don't have tabs to add, (Which make for more troublesome connections.)
I have seen chassis with solder tabs that are part of the chassis that are punched out with one side still part of the chassis as a grounding point. Anything held down with screws as far as tabs, connector strips, and connectors are asking for trouble from becoming loose and not making a good electrical connection as intended.

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FrankB
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PostSubject: Re: Ground lugs   2012-03-02, 12:00 am

I have seen equipment they used ground lugs on, ( tag strips too); riveted them down, then soldered over the rivet and onto the lug. Very obvious they didn't trust the rivet to maintain the ground.
I ran into an audio amp with a nasty hum in it a couple of years back.
Tubes & filters checked OK.
Finally traced it to a loose ground lug bolted to the mounting ear of a tube socket. Tightening & soldering it did the trick.
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PostSubject: Re: Ground lugs   2012-03-02, 12:07 am

Thanks for mentioning that FrankB, that is one to keep in mind when having troublesome problems for sure.

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