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Old 12-01-2019, 11:37 AM   #1
New Member
Denver , Colorado
Join Date: Dec 2019
Posts: 2
Setting up shore power at home.

Hello all,

We are brand new airstream owners, what a great resource this forum is! I searched but could not find the exact information I need, any help would be greatly appreciated. I'm trying to figure out my best course of action for shore power at our home.

We have a 25' 2006 International CCD. We live in Denver and intend to use our Airstream as an additional guest bedroom in the warmer months. It's pretty mild April-September and we do not anticipate the need for much AC. But of course we will have lights running, the fans, the microwave, TV, etc running at various points.

Anyway, I have installed a dedicated 30A circuit with TT-30P female receptacle right at my main exterior electrical panel. This is unfortunately about 75' away from where we park the Airstream, but don't have a good way to trench and install an outlet any closer. What cord should I use to bring power to my airstream? It's hard to find ones in such long lengths. I was looking at the linked cord below but the female end is a TT-30R; it does not match the locking receptacle found on my trailer, which has a unique prong configuration where one hole has an 'L' shape. Can I get this cord and simply find an adapter somewhere? Is 10 ga wire beefy enough to handle the load on such a long run?

Thank you!

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Old 12-02-2019, 02:00 PM   #2
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2012 25' FB International
Trent Woods , North Carolina
Join Date: May 2013
Posts: 2,232
I plugged your numbers into an online calculator and it said 3v drop at 20amps, which is liveable. I am not sure about your cord configuration but I had to do a similar thing with less than a 75ft run, but I used two cords, a normal shore power connection cord to the trailer and a female/male cord between it and the house outlet. I got the cord online somewhere, too long ago to remember. The connection is inside my garage so I don't worry about weather.

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Old 12-02-2019, 04:08 PM   #3
Rivet Master
2017 28' International
Baileys Harbor , Wisconsin
Join Date: Jul 2017
Posts: 936
Blog Entries: 1
When I go to my sons I use a 50 AMP extension cord and it works fine. Total of about 100’. 30 AMP will be cheaper. You can get them on AMAZON or Camping World. The only other thing you might consider is putting an easy start system in your AC unit. But actually if you only have one AC unit you really don’t use much electricity for other things. 1) You can run your fridge on LP. 2) And as far as the microwave goes that doesn’t run all that much. Just run it when the AC unit is either totally on (AC units take more get them going). Or wait until it is completely off.

The only thing you may have to do is cover up the connection if it rains to prevent it from shorting out.
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Old 12-02-2019, 05:46 PM   #4
Half a Rivet Short
2017 30' Classic
Carlisle , Pennsylvania
Join Date: May 2017
Posts: 8,398

Having 75' of cable lying on the ground for months can get into all sorts of issues. You will need to protect / cover / encase the cable in some way.

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