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Old 01-02-2016, 12:48 AM   #1
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30/15 Y Adaptor

Hi,

Is there such a thing as a 'Y' Cable adapter that would allow me to connect both my RV 110v/30AMP power cord and a regular 110v/15amp extension cord to the campground's 110v/30Amp Power Pedastal?

Assuming there is such a beast; how would I protect the extension cord wiring from too much power draw? Is it as simple as getting a heavier guage cable that can support up to 30amp but using a Nema 5-15 connectors?

Bill
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Old 01-02-2016, 07:33 AM   #2
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I've never seen one and even wonder about it being a good idea. You could be pulling the combined amps thru a 30 amp outlet, at least momentarily. When I want to plug in a 15 amp outside I just use one of the outside plugins on my RV, if there isn't one at the pedestal.
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Old 01-02-2016, 08:15 AM   #3
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Why?? Just use the 30a and 20a outlet on the post. They all have them.
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Old 01-02-2016, 08:36 AM   #4
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Originally Posted by Bassdogs View Post
Why?? Just use the 30a and 20a outlet on the post. They all have them.
If you camp and travel a lot you will see all manner of power configurations.
I have never seen the adapter you describe but would not want to use it due to protection considerations. Instead as someone suggested, use the outside outlet on the trailer if the cg pedestal does not have a separate 15 or 20 amp receptacle.
I have been in cgs where all that was in the site was a 30a receptacle with the controlling breaker in a nearby box. I always open it and operate the breaker before connecting to it.
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Old 01-02-2016, 11:10 AM   #5
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I wouldn't think protection issues would be any different than using a 50/30 adapter.

https://jet.com/product/pdp/5bbd063f...FZQjgQodw7gC1w

I see folks using these all the time.
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Old 01-02-2016, 01:43 PM   #6
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You're right about there being less protection with the 50/30 adapter. The post breaker will no longer trip however you're still covered by the in-house breakers. With a 30/15 Y adapter you would have 30 amp protection on the post and in-house but the 15 amp leg would only have 30 amp post protection. The Y adapter would have to provide 15 amp protection with a fuse or breaker on that leg.
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Old 01-02-2016, 02:14 PM   #7
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Why?? Just use the 30a and 20a outlet on the post. They all have them.
+1 never been to a CG that did not have both in the pedestal. I used the 20A one last week for the heat tape on the water hose as we froze outside one night.
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Old 01-02-2016, 02:39 PM   #8
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Why?? Just use the 30a and 20a outlet on the post. They all have them.

And they've got their own breakers, too.
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Old 01-02-2016, 02:42 PM   #9
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Is the intention to power more than 30 amps total by using the added extension cord? If yes, then you will still be limited to 30 amps even if you manage to procure an adapter as described in the original posting.

I agree with the recommendations to use the pedestal 30 amp receptacle for the trailer and the 20 amp duplex pedestal receptacle for the extension cord. That will give you more total capacity. It is common for a pedestal to have at least one 15 or 20 amp convenience receptacle. That receptacle is separate from the 30 amp or 50 amp receptacle.

Using the duplex receptacle will also provide GFCI protection for the extension cord. A cord plugged into an adapter using the 30 amp receptacle as a source will not be GFCI protected. Very few pedestal 30 amp receptacles are provided with GFCI protection. That makes the extension cord use less safe. That is especially true during wet weather conditions.

FWIW. vic
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Old 01-02-2016, 07:54 PM   #10
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A 50/30 adapter is just that, an adapter, with no intention of using both. The OP seems to want to also run 20 amp as well, but from ac30 amp outlet. Plug in to 30 amp and plug that othervitem ino an available outlet, on pedestal or RV.
Interesting and new question though.
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