[Elecraft] KPA-1500 Power Supply Cable Size

[Clay Autery]

If it uses a 75 Amp PP connector, my inclination would be to use the 
6AWG MINIMUM.  I would be tempted to use the flexible welding cable lead 
stock in the largest gauge I could fit in the application space.  I'd 
trim down the end of the conductor to JUST fit into the 75 AMP crimp 
contact.  Then, I'd tine the trimmed down end to bond ALL the conductors 
together right at the end before I crimped/soldered. Then, I'd 
crimp/solder the terminal on making sure not to be sloppy and cause a 
fitment issue.  If possible, I would put as many twists in the red/black 
leads between radio and power supply connection as possible....

I've not investigated the wiring yet, BUT, if there is a ground wire 
between the PA chassis and the PS chassis, I would integrate the ground 
wire into the power harness in a 3-wire bundle with all three wires as 
close to the same length and shinked into a single cable.

But I'm nuts...  <smile>

73,

______________________
Clay Autery, KY5G
(318) 518-1389

On 28-Jul-18 12:07, Bob Wilson, N6TV wrote:
> I don't see it documented, but it uses a 75A PowerPole connector.  Cable
> thickness (with insulation) is 1/3rd of an inch so I'm guessing it's AWG
> #6.  It's VERY heavy.
>
> 73,
> Bob, N6TV
>
> On Sat, Jul 28, 2018 at 5:04 AM, Richard Thorne <rthorne at rthorne.net> wrote:
>
>> What gauge wire is used for the HV line between the power supply and amp?
>> I'd like to build or source a shorter cable.
>>
>> Thanks
>>
>> Rich - N5ZC
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