[DARARepeater] PowerPole connectors

[Joe]

For 10 A.W.G., an edition of the ARRL Handbook lists 55 amps as “Cont.-duty current single wire in open air”.
It lists 33 amps as “Cont.-duty current wires or cables in conduits or bundles”.

Joe - WA8OGS

> On Jan 27, 2019, at 10:32 PM, Jim Bacher - WB8VSU <wb8vsu at arrl.net> wrote:
> 
> Steve, as UL recognized the connectors at that current level they should be able to handle it. As they referenced a UL file number it should be a valid number, that's assuming their marketing department didn't have a typo. 
> 
> It might be the 55 amps is not a continuous current, or maybe a break/make momentary current rating. Or some technique to quickly get to a larger gauge wire. 
> 
> You can go to UL.com and do a search for their UL file number. UL will likely have details of any special conditions for that current level in their file. 
> 
> Jim Bacher, WB8VSU 
> wb8vsu at arrl.net 
> https://trc.guru
> 
> On Sun, Jan 27, 2019 at 9:06 PM, Steve Reed
> <kb8stb at gmail.com> wrote:
> In a recent discussion with a new ham about PowerPole connectors the question of how they claim up to "55 amps per pole."
> 
> The other ham in the discussion is a retired electrician and recalls that you need wire larger than 10 AWG to carry 55 amps.
> 
> page 20 of the manufacturers catalog...
> https://www.andersonpower.com/content/dam/app/ecommerce/product-pdfs/CAT-PPMP.pdf <https://www.andersonpower.com/content/dam/app/ecommerce/product-pdfs/CAT-PPMP.pdf>
> 
> states....
>      "PP15-45 series are the smallest Powerpole® housings. They can be used for wire-to-wire or wireto-board applications. Wire sizes from #20 AWG (0.75 mm²) to #10 (6 mm²) offer power capabilities up to 55 amps per pole."
> 
> several different "Ampacity charts" like this one...
> 
> https://www.usawire-cable.com/pdf/nec-ampacities.pdf <https://www.usawire-cable.com/pdf/nec-ampacities.pdf>
> 
> state that 10 AWG gauge wire is only good for (at 90 degree temp rise) 40 amps of current.  And the ** at the bottom of the PDF talks about limiting 10 gauge to 30 except in extreme conditions.
> 
> Can anybody explain Andersons claim of "55 amps per pole"
> 
> Thanks
> 
> Steve
> KB8STB
>  
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