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Old 02-07-2015, 06:37 PM   #31
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Originally Posted by Brian B-P View Post
While many members of forums like this dismiss this hazard, since they are confident they will never mix up connectors on their own trailer, I wouldn't allow the risk on my own trailer.

Unfortunately, the covered socket is an outlet - not an inlet - so it doesn't suit the purpose of bringing solar panel power into the trailer. If anyone knows of a similar product with a panel-mount inlet, I would be interested.
Gotta agree, I could see a possible disaster scenario. You go and park in the driveway of relatives. During the meet and greet you casually mention that you'll need to plug in an extension cord. Shortly after your relative proudly says, I took care of the extension cord, you're all plugged in.

There is a solution for the Marinco situation, order an extra receptacle and use it as a cap to protect the live prongs but I'm thinking that keeping it all MC4 is the way to go.

Thanks HFT, already ordered from China Cheaper and free shipping. The annoying thing about living in Canada is seeing stuff in the US with a price that's OK but either they don't ship to Canada or the shipping doubles the price.

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Old 02-07-2015, 06:45 PM   #32
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The annoying thing about living in Canada is seeing stuff in the US with a price that's OK but either they don't ship to Canada or the shipping doubles the price.

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Old 02-07-2015, 08:30 PM   #33
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I got a small 30 watt portable panel as a gift. It uses Andersen Powerpole SB50 50 amp connectors. They are nice that they can only be plugged in one way, and positive and negative leads are in one connector. I got an extra set from Powerwerx.com.
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Old 02-07-2015, 10:02 PM   #34
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I got a small 30 watt portable panel as a gift. It uses Andersen Powerpole SB50 50 amp connectors. They are nice that they can only be plugged in one way, and positive and negative leads are in one connector. I got an extra set from Powerwerx.com.
I have a shopping cart loaded with Andersen Powerpole connectors sitting at Powerwerx.com waiting for me to make some final decisions. The perfect solution if you're a do-it-yourselfer with DC projects in mind.

Just an FYI: They come in amperage sizes from 15A to 350A and all the colors of the rainbow.

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Old 02-08-2015, 06:08 AM   #35
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Originally Posted by Brian B-P View Post
This is a typical NEMA 5 plug in a housing, which means it connects to ordinary household 15A 120V cords. That means matching connectors are readily available, but it also means there is a danger that someone connects 120V AC power to your low-voltage DC inlet, energizing a circuit at several times the voltage for which it is intended. While many members of forums like this dismiss this hazard, since they are confident they will never mix up connectors on their own trailer, I wouldn't allow the risk on my own trailer.

For significant current at 12V and/or 24V, I think the Marinco ConnectPro series looks good; they are normally used for trolling motors, are sealed by an O-ring when connected, and have a weather cover. Unfortunately, the covered socket is an outlet - not an inlet - so it doesn't suit the purpose of bringing solar panel power into the trailer. If anyone knows of a similar product with a panel-mount inlet, I would be interested.
How about using just the ground and the neutral legs of the NEMA 5 connector for your 12 vdc leads? Any idea what would be the result if someone connected it to 115vac? I've been unable to find valid alternatives.
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Old 02-08-2015, 11:00 AM   #36
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We all assume that if you live up there you gotta be rich!...
and what do you think we assume about you?
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Old 02-08-2015, 12:20 PM   #37
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How about using just the ground and the neutral legs of the NEMA 5 connector for your 12 vdc leads? Any idea what would be the result if someone connected it to 115vac? I've been unable to find valid alternatives.
Wouldn't the 12 volt positive go to the same ground as the negative resulting in a short? The neutral leg is also a ground.

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Old 02-08-2015, 01:16 PM   #38
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I have to agree with Brian - After seeing the result of my students plugging a theatrical lamp into the janitor's 240V receptacle (our lighting system used the same twist lock connectors as the floor buffer outlets in the theatre's hallways), I'm pretty much opposed to using a connector that "could" be misunderstood. There are just too many "helpers" out there that can make a unintended connection.

As to what I used, I went with a surface mount SAE connector from Solar Sellers (Item E). This matches the connectors that came with the portable panel. While I haven't had a "real world" trial of the bypassed controller with the portable panel, I did try it for a few minutes after I wired it to be sure it worked, and did get an increase when the portable panel was plugged in. Since the batteries were full, no real trial.

As to adding a GoPower 160 watt panel to an existing 95 watt panel system, according to GoPower, it can't be done. The reason is the 95 watt panel has the frame connected to the positive output, while the 160 watt panel has the frame connected to the negative. Since code requires the grounding of the frames, this would cause a problem. Of course, since we have fiberglass trailers, we could get away with not connecting the frames...

I'm going to wait until Spring to decide if I want to add another roof mounted panel (right now the roof is under a cover & far too much snow). I have to make some templates of the different size panels, & see if there is room for one more on my 17. I still plan to carry the portable panel, but wouldn't mind a bit more power when traveling & when I don't want to dig out the portable panel.
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Old 02-08-2015, 01:35 PM   #39
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Fyi - i got an answer from go power about connecting the portable panel direct to the battery at the same time as ur roof system. The 2 systems will work together as long as the roof system controller has a higher amp rating than the portable system. He did not elaborate as to why.

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Old 02-08-2015, 01:40 PM   #40
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Special purpose plug for solar...

I see an SAE Solar Plug referenced on the Go power website. They have a standard pigtail made to go with their portable panels. Would be just the ticket for a direct connect to the onboard Go power controller.

SAE Solar Plug | GPElectric





Zamp Solar Roof/Sidewall Solar Plug
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