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6/3 with Ground

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D45

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The camper has an electric water heater, lights inside, lights on the deck, radio, ceiling fans, air conditioner, bathroom fan, microwave, fridge.

The furnace uses propane along with the stove
 

mike93lx

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The camper has an electric water heater, lights inside, lights on the deck, radio, ceiling fans, air conditioner, bathroom fan, microwave, fridge.

The furnace uses propane along with the stove
The water heater and a/c's are what matter.

Posting nameplate info can help advise.
 

dcg9381

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The camper has an electric water heater, lights inside, lights on the deck, radio, ceiling fans, air conditioner, bathroom fan, microwave, fridge.

The furnace uses propane along with the stove

Just FYI, if you want to cheat a little and don't feel like eating the current burden of copper prices:

Your RV will run just fine on 10/3 (30A @ 240V). Typical RV "50A service" will really handle up to about 4 AC units, it's way more power than most mere-mortal sized rigs can use.

We power "50A rigs" all the time off of 240V @ 30A circuits, I just breaker them correctly and label the 14-50Rs as "30A". As long as your RV is 2 ACs or under, you'll be fine...

Many of these rigs if generator equipped have gensets in the 5000-6000 watt range. 240V * 30A = 7200 watts, derated to 80% of that, it's 5200 watts...
 

PCustoms

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I found 8/4 in a 100 foot length for $150

Says 600V SEOOW Water Resistant

Not sure if this is even an option to consider

Assuming you get cord how are you going to run this, just on the ground?
 
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D45

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Yes it would be plugged into the back of the travel trailer/camper and run under the frame via loop hooks.

Then at the front of the camper it would have to go to the ground and lay on the ground about 7 feet to the outlet pedestal
 

dcg9381

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Yes it would be plugged into the back of the travel trailer/camper and run under the frame via loop hooks.
Then at the front of the camper it would have to go to the ground and lay on the ground about 7 feet to the outlet pedestal
Why are you not using the "standard" RV cable which is 6 gauge? 8/4 will "work" but it's not rated for the typical 50A breaker on an RV pedestal. If I was going to do that, I'd de-rate the breaker.
 
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D45

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Why are you not using the "standard" RV cable which is 6 gauge? 8/4 will "work" but it's not rated for the typical 50A breaker on an RV pedestal. If I was going to do that, I'd de-rate the breaker.

Again, I'm not sure a standard 50 foot premade cord/cable will work and be long enough . It's a possible option for $200 on Amazon

The 100 foot premade cable will definitely be too long and they are like $400
 

PCustoms

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Why are you not using the "standard" RV cable which is 6 gauge? 8/4 will "work" but it's not rated for the typical 50A breaker on an RV pedestal. If I was going to do that, I'd de-rate the breaker.
This
 
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dcg9381

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Again, I'm not sure a standard 50 foot premade cord/cable will work and be long enough . It's a possible option for $200 on Amazon

The 100 foot premade cable will definitely be too long and they are like $400
Got it, I was confused by the post above where you said it was going to go about 7 feet to the pedestal.
You can use that cord - but you really need to de-rate your breaker... I'm speaking in "practical" terms, not giving code advice.
 
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D45

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I'd rather error on the side of caution and use 50amp with 6/3

That's what's currently installed and there's been zero issues
 

wyliesdiesels

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Modesto, CA
I'd rather error on the side of caution and use 50amp with 6/3

That's what's currently installed and there's been zero issues
the NM-b is not kosher and you will have issues eventually. use the right stuff or dont do it at all
 

dave*99

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Like this:


I spent more time reading this thread than finding this part......

1714677586515.png
 
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D45

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The old 6/3 cable pulled out of the ground pretty easy from inside the buried conduit, barely used any wire lubricant.......it was probably 70 feet long total

Posted it in the campground ads and sold it same day for $80

Bought a used 50amp 50' rv cord for $120 and all is well
 
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