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Old 01-04-2014, 04:14 PM   #1
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1986 34' Limited
1966 24' Tradewind
Delano , Minnesota
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'66 Tradewind Mystery Component

I've got two of these mystery (to me) boxes mounted on the interior walls. One is above the univolt, and the other is behind the galley sink. There may be more of them lurking about. They are about 4" by 2" and dark brown in color. See the picture below.

Can someone enlighten me on what they are and what they do?

David
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Old 01-04-2014, 04:21 PM   #2
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Looks like a junction box. Where wires that go to different places are tied together. My guess would be it is 120 volt A/C.
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Old 01-04-2014, 06:43 PM   #3
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It may be a junction box. I haven't disturbed either one. I'll do a voltage check tomorrow. I just figured it was part of the 12v circuits. I do have two 110v circuits on the street side, and one on the curb side. I think the curb side powers the AC. The AC may have been an after market addition. There is not a separate breaker for the AC, just an old fashioned screw in fuse. And there appears to be an "extra" factory installed 110v line not connected to the breaker box. There are three 110v wire lines going into the wall from the breaker box, but one of them is not connected. I have not figured out where it goes yet, maybe to the fridge cabinet.

More tomorrow

David
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Old 01-04-2014, 08:35 PM   #4
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Since the Airstream walls are only 2" deep, sometimes AS used deeper boxes on the 120 volt circuits where code required more space for the number of wires that were joined. I am pretty sure that what you are seeing is where deeper boxes were used for that reason. I have seen them now and then on various Airstreams and Argosy's I have owned.
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Old 01-05-2014, 05:24 AM   #5
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That makes sense to me. I'll take a close look today. I have noticed that Airstream uses a special outlet box that "flange mounts" to the inner skin. I had not seen one like that before.

Thank you for your help.

David
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Old 01-05-2014, 08:24 AM   #6
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Hopefully it will become obvious when you remove the cover for inspection.
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Old 01-05-2014, 09:27 AM   #7
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We had several "orphan" lines in our trailer as we deconstructed her. We figured they were for bonus accessories that the original owners didn't have at the time. There's a few in there now too that we put in as we rewired, but didn't end up using....

Kay
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Old 01-05-2014, 05:31 PM   #8
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1986 34' Limited
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Delano , Minnesota
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You folks are right on! It is a 110v junction box. There are two circuits radiating from the box, one powers the univolt.

It looked like it was mounted to the interior skin as the cover is square and about an inch deep. I think that is why I was confused.

I guessed the black "romax" two conductor plus ground orphan wire at the circuit breaker box might have been for a future AC. I also have an orphan wire located in the fridge cabinet. I thought it might be the same wire. But the fridge cabinet wire is a black romax with just two conductors in it, no ground. Most of my 110v circuits are in black "romax", and most of my 12v circuits are in white "romax". So I don't know where the orphan 110v wire goes. And I tested the one fridge cabinet wire for 12v and nothing. The wire is not energized.

Too darn cold around here!

David
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Old 01-06-2014, 07:32 AM   #9
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Maybe in the spring, when it's above zero again, we can get together! We're fairly close. Right now, TOO COLD!

Kay
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