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04-16-2014, 01:14 PM
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#1 |
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Not Yet Wild
 Join Date: Dec 2013
Location: North Texas
Posts: 21
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Lead Post or Stainless Terminal for High Current Cables
Which connection is best/preferred for the battery cables? The lead posts seem like they would provide the most surface area for current flow but would the stainless terminals provide better protection against corrosion? Also what is the best terminal construction material I.e. brass, copper, tinned copper, lead...?
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04-16-2014, 01:34 PM
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#2 |
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Guest
Posts: n/a
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Re: Lead Post or Stainless Terminal for High Current Cables
 following post stainless terminals?? |
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04-16-2014, 03:08 PM
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#3 |
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Gone Wild
Join Date: Sep 2012
Location: Savannah, GA
Posts: 2,760
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Re: Lead Post or Stainless Terminal for High Current Cables
Tinned Copper.
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04-16-2014, 05:07 PM
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#4 |
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Techno-Nerd
Join Date: Jun 2011
Location: West Virginia
Posts: 19,654
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Re: Lead Post or Stainless Terminal for High Current Cables
Silver.
 Attached table is the relative conductivity of various materials, using copper as the base (100%) of comparison. If you cannot afford Silver, Copper is the best choice. Just about everything corrodes in the acid laden air in the battery compartment so the exposed surfaces have to be coated with a protectorate and cleaned often. |
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04-17-2014, 07:39 AM
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#5 |
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Gone Mad
Join Date: Oct 2009
Location: Buford, GA
Posts: 8,988
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Re: Lead Post or Stainless Terminal for High Current Cables
Silver oxide conducts quite well, and is why it's often used in big industrial bus bars, often in non-climate controlled hostile environments. Most other metals don't conduct as well when oxidized.
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