Or use bigger connectors, like 45 amp power poles.
Ray
W8LYJ

Sent from my iPad

> On Apr 26, 2020, at 11:19, Pete Lascell <[email protected]> wrote:
> 
> Consider using larger stranded wire. When making connections unravel a few 
> outside strands and cut off so the remaining strands will fit the terminals 
> being used correctly.  The smaller (higher resistance) section of cable will 
> be only part of an inch.  Heatshrink tubing will cover the unsightly chop job.
> 
> Depending on the exact stranding configuration of the cable, going from #10 
> stranded, #8 stranded is 56-64%, and #6 stranded is 37-43% the resistance of 
> the larger #10 cable.  If going from #10 with individual strands of #26 wire 
> to #6 cable with individual strands of #36 wire, the resistance can be as 
> little as 35% of the larger #10 cable.  
> 
> Pete W4WWQ  
> 
> 
> ----- Original Message -----
> From: Leroy Buller <[email protected]>
> To: N4ZR <[email protected]>
> Cc: Elecraft List <[email protected]>
> Sent: 4/26/2020 11:53:28 AM
> Subject: Re: [Elecraft] Voltage drop in DX Power to K3
> ________________________________________________________________________________
> 
> 40 inches of power cable.  In my experiences,  that could be an issue
> depending on the gauge of the wire.  I used a long cable 12 gauge and had
> issues.  Went to 24 inches number 10 gauge and voltage drop significantly
> improved.  The resustace does not have to be large to cause a voltage  drop
> 
> Lee
> 
>> On Sun, Apr 26, 2020, 9:47 AM N4ZR <[email protected]> wrote:
>> 
>> I've had an e-mail exchange with West Mountain Radio.  Measured the
>> voltage drop inside the 4005i at only .08 volts at 100 watts key down.
>> My power cable from the 4500i to the K3 measures 0.3 ohms on each
>> conductor, which at 20 amps should only yield a 1.2 volt drop, right?  I
>> don't know where the other volt plus of drop is coming from.  The cable
>> is 40 inches long, and only minor shortening is possible.  It is about
>> the largest wire that will fit in the Powerpoles on both the K3 and the
>> 4005i.
>> 
>> Suggestions welcome
>> 
>> --
>> 73, Pete N4ZR
>> Check out the Reverse Beacon Network
>> at <http://reversebeacon.net>, now
>> spotting RTTY activity worldwide.
>> For spots, please use your favorite
>> "retail" DX cluster.
>> 
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