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Old 06-13-2018, 09:53 AM   #21
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Quote:
Originally Posted by wetzk View Post
The posting above from the Tin Can Solar guy shows a 10 gauge port.


ZS-RV-SolarPort-(10AWG) - Tin Can Solar
If you go to the Zamp website, they state that their port uses 12 gauge wire.
https://www.zampsolar.com/solar-ports/

Every vendor that listed the Zamp port with 10 gauge - when I contacted them, they said - no, the port we have is 12 gauge, sorry.
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Old 06-13-2018, 10:57 AM   #22
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If you are willing to stick with #12 wire, another source for 2 pin SAE connectors (somehow which have become called Zamp connectors) is SolarSeller.com. Since the connectors are available with the male pin wired to EITHER the black or red lead, it is important to check that the polarity matches your panel & internal trailer connections.
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Old 06-13-2018, 11:39 AM   #23
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Originally Posted by Vermilye View Post
If you are willing to stick with #12 wire, another source for 2 pin SAE connectors (somehow which have become called Zamp connectors) is SolarSeller.com. Since the connectors are available with the male pin wired to EITHER the black or red lead, it is important to check that the polarity matches your panel & internal trailer connections.
To meet SAE standards, "the polarity of the connector, when installed in a vehicle and attached to a battery, is always such that no short circuit will occur if the exposed terminal were to touch the vehicle chassis. This means that the exposed terminal connects to the negative terminal of the battery".
https://en.wikipedia.org/wiki/DC_con...#SAE_connector

Why Zamp wants to design their port with the the exposed male pin positive in violation of SAE standards escapes me!

Shorting the solar panel does no harm (that's how I check the panel amps) but shorting the battery connection will melt things! Granted, it would be hard to get something to touch the exposed positive pin and then ground on a Zamp port, but why would you not follow standards that are established for a reason?

(stepping off my soapbox now)
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Old 06-13-2018, 11:48 AM   #24
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I am working through this myself hooking up portable solar (I have no rooftop solar). Another forum friend found this useful (at amazon) Optimate cable 0-27 adapter polarity SAE by tecmate.
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Old 06-13-2018, 11:53 AM   #25
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Originally Posted by tdf-texas View Post
Why Zamp wants to design their port with the the exposed male pin positive in violation of SAE standards escapes me!
Could it be they are looking to keep the exposed pin on the lead from the panel negative, and it is somewhat shielded inside the connector? Though you say there is no harm sorting out the leads there.

At that point at the end of the lead from the panel there is no ground reference for the negative, whereas there is with the negative in the trailer.

Just a guess from a slow learner.
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Old 06-13-2018, 01:23 PM   #26
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Zamp Solar Port

Yes, the male pin of the Zamp Solar port is positive and on the Zamp Solar panel the male pin is negative. That is a positive safety feature and not a violation of SAE Standards (of which their is no real standard in the industry). I would rather not get shocked or damage my battery by grounding my solar panel pin on other brands.
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Old 06-13-2018, 01:25 PM   #27
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Zamp Solar no longer makes a 12 gauge Solar Port, only a 10 gauge port.
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Old 06-13-2018, 01:27 PM   #28
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Zamp Solar no longer makes a 12 gauge solution for their Solar Port, only a 10 gauge solution.
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Old 06-13-2018, 02:17 PM   #29
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Originally Posted by MBA80 View Post
Zamp Solar no longer makes a 12 gauge solution for their Solar Port, only a 10 gauge solution.
Great! Then the one I bought from them two months ago must have been old stock? Because it definitely came with 12 gauge wires.
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Old 06-13-2018, 02:40 PM   #30
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Originally Posted by MBA80 View Post
Yes, the male pin of the Zamp Solar port is positive and on the Zamp Solar panel the male pin is negative. That is a positive safety feature and not a violation of SAE Standards (of which their is no real standard in the industry). I would rather not get shocked or damage my battery by grounding my solar panel pin on other brands.
I reread your post several times and it still didn't make sense to me. Having an exposed positive pin on the trailer reduces the risk of damaging the battery? I think you have that backwards.

Oh, and there is a SAE standard for these connectors - plug one of the reversed polarity Zamp connectors following color code into standard SAE connector on your car and watch what happens.

I don't agree with the way the Zamp connectors are done and you seem to be representing Zamp so let's just agree that we don't agree and leave it at that.
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