Yes, the newer refrigerators (and usually the double door models only) have a little heating element in the door frame to help prevent this. They usually have a little toggle switch up above the freezer door to turn it on/off. You'd want to turn it off if you were dry camping without electricity.
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2007 T-286SR Cherry/Granola, #6236, original owner, current mileage: 9473.8 (as of 6/18/21)
1997 T-2653 Blue Denim, #5471
1979 12 1/2' MC, Beige & Avocado, #4639
Past Sunlines: '97 T-2653 #5089, '94 T-2251, '86 T-1550, '94 T-2363, '98 T-270SR
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