Hey Pete, 2 AWG wire is 1/4 in diameter... 

Are you sure? 


Maybe your using super flexible welding wire... Maybe not... 


73 
Frank 
W3LPL 

----- Original Message -----

From: "N4ZR" <n...@comcast.net> 
To: elecraft@mailman.qth.net 
Sent: Thursday, April 23, 2020 2:27:52 PM 
Subject: Re: [Elecraft] Elecraft K3s, etc. bonding 

I think the answer lies in the ground bus. I used a 3/4" copper water 
pipe along the back edge of my desk, with a short pigtail of #2 wire to 
the K3. I used a yellow-jacketed Home Depot ring terminal on both ends 
of the #2, and metal-tapping screws to connect to the bus. 

73, Pete N4ZR 
Check out the Reverse Beacon Network 
at <http://reversebeacon.net>, now 
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On 4/23/2020 8:37 AM, Randy Farmer wrote: 
> I'm currently in the process of wiring up my new station and I happen 
> to be working on the equipment bonding phase for my pair of K3s SO2R 
> station. I'm doing my best to get decent connectivity between the 
> station components, but can't really figure out how to terminate large 
> (AWG 10) wire to the teeny 6-32 ground screws on the back of the K3, 
> especially since something like six bond wires need to be attached to 
> the transceivers. There appear to be no available ring terminals that 
> will fit these small screws; the smallest I can find are for #10 
> studs. Even by using a threaded standoff installed in the K3 ground 
> nut and a longer screw to stand the rings off, stacking a bunch of 
> these huge terminals is extremely difficult. Providing some means of 
> reasonably quick disconnect for servicing purposes is equally 
> difficult. Exactly how can I go about connecting big wires to little 
> ground posts? 
> 
> 73... 
> Randy, W8FN 
> 
> On 4/20/2020 10:22 PM, Jim Brown wrote: 
>> On 4/20/2020 6:08 PM, Tom Norris NB5Q wrote: 
>>> I'm asking what method and 
>>> attachment point, to each piece of equipment, you experienced K-Line 
>>> owners 
>>> use to bond the K3s, P3, SP3, etc. and then on to the station ground. 
>> 
>> I use wires soldered to screw lugs, making sure that the attachment 
>> point is not insulated from the chassis by paint. Some of the 
>> equipment has a dedicated grounding screw. Shells of DB connectors 
>> SHOULD be bonded to the equipment chassis, but not always -- some 
>> mfrs screw up and fail to do that. 
>> 
>> Some of my equipment goes out in the field from time to time, so I 
>> use single circuit Power Pole connectors to make that easy. I'll use 
>> 2-6" between the lug and the PowerPole, then make a loop soldered to 
>> a PowerPoles that connect to each piece of gear in the string (so 
>> each connector has two wires). There are lots of suitable variations 
>> on this, depending on how the shack is laid out. 
>> 
>> These are the slides for my talks on station power, grounding, and 
>> bonding. http://k9yc.com/GroundingAndAudio.pdf 
>> 
>> 73, Jim K9YC 
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