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Is there a standard for DC power connectors for 12V solar systems?

I am familar with Molex connectors, but they seem more suitable for internal connections, not something that would be outside of a housing.

  • Indoor
  • 20-amp maximum
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  • \$\begingroup\$ There like tens of thousands of different connectors for different environments and different electrical characteristics.. \$\endgroup\$ – Eugene Sh. Aug 2 '16 at 19:31
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    \$\begingroup\$ what is the current?? \$\endgroup\$ – Leon Heller Aug 2 '16 at 19:32
  • \$\begingroup\$ Is this for outdoor, 4-season use? \$\endgroup\$ – FiddyOhm Aug 2 '16 at 19:47
  • \$\begingroup\$ @EugeneSh. I am asking about standards, not particular connectors. \$\endgroup\$ – Tyler Durden Aug 2 '16 at 20:08
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    \$\begingroup\$ BTW, solar system is not the same as solar-powered system.. \$\endgroup\$ – Eugene Sh. Aug 2 '16 at 20:21
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I believe all the newer solar panels are using MC4 connectors (for grid-tie installations). Seems like it would also be a good choice for 12V systems, unless the current is higher than 20A.

https://en.wikipedia.org/wiki/MC4_connector

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There are specific connectors for solar panels. A quick search shows these, which are good up to 30A.

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