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Old 01-20-2017, 06:55 PM   #1
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30 amp garage upgrade question

I would like to finally install an outlet for my RV but would like some more knowledgeable help. Current sub panel has the 2 top 50 amp breakers going to a hot tub, the 2 lower 20 amp singles are garage outlets. 1 is going to single gang box where fridge is plugged in, the other goes to other side of garage to a double gang. Would I be able to tie both those to one 20 amp fuse, get rid of the other and add a 30 amp fuse with upgraded #10 guage wire to make my dedicated RV outlet or is there a different route to go? Thanks in advance.

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Old 01-20-2017, 06:58 PM   #2
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The sheathed cable you see to the right, outside the box goes to a 125/250 receptacle that was there before the hot tub was wired in. I assume for a welder. It is not wired in since previous owner ran the wiring to hot tub sub panel on the back deck.
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Old 01-20-2017, 08:01 PM   #3
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What size breaker is the subpanel fed from? You could do what you suggested but personally i would pull that panel and install a new one and start over. It looks like you have easy access to it. Are your garage plugs GFI? Might want to consult an electrician for the work.
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Old 01-21-2017, 08:08 AM   #4
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I think I am over complicating this by looking at my sub panel next to the main panel. My main panel has 2 slots open so I think the easiest route is going to be to just add to the main panel with a single pole 30 amp breaker with appropriate wires going to the receptacle which will be installed below that panel by a couple feet.
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Old 01-21-2017, 08:45 AM   #5
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Disregard last post. After removing the main panel cover there is no room in there. I think I will just go your route Stan and build a new sub panel and keep the 2 dedicated 20 amp circuits and also add to it another dedicated 20 and a 30 for the RV outlet. I am in construction so it's easy for me to have electricians assist me with what I need. Thanks for the suggestion.
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Old 01-21-2017, 09:58 AM   #6
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Since you are doing that much work, can the voice of many experiences throw out an idea ?

opt for a 50 amp now

WHEN, not if, you upgrade rv's you'll be thankful you did !

Price out the difference and it will be much easier now than later. Just sayin'
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Old 01-21-2017, 10:12 AM   #7
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Then by having that 50amp plug all I would need is an adapter for my 30amp cord to RV correct? Doing my research for this and looking at different sub-panels. If I am thinking correctly all I would need is at minimum a 6 space panel to hold the existing breakers with the addition of another 2 pole 50amp? Good news with that is I already have wires in the wall I can use.
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Old 01-21-2017, 11:22 AM   #8
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When we built the shed for our RV, we trenched electric to it from the 100 amp panel in the garage. We used a 60 amp panel in the shed. From that I installed a 50 amp breaker for my welder, 30 breaker for the RV, lights, and a few misc. outlets. Now I know that all adds up to more than 60 amps, but they're not all in use at the same time.
Kinda like the way they wire some of our RVs
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Old 01-21-2017, 01:20 PM   #9
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Quote:
Originally Posted by morphrider View Post
Then by having that 50amp plug all I would need is an adapter for my 30amp cord to RV correct? Doing my research for this and looking at different sub-panels. If I am thinking correctly all I would need is at minimum a 6 space panel to hold the existing breakers with the addition of another 2 pole 50amp? Good news with that is I already have wires in the wall I can use.
Maybe I'm just confused. You're first post you indicate you want to add a 30 amp Outlet. Sounds like a source for running something larger then typical usage.

Then here, it sounds like you want to add a second source for power, allowing for using a 30 amp post.

Maybe more thoughts on why you're doing this to help clarify?
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Old 01-21-2017, 01:51 PM   #10
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Quote:
Originally Posted by r2millers View Post
Maybe I'm just confused. You're first post you indicate you want to add a 30 amp Outlet. Sounds like a source for running something larger then typical usage.

Then here, it sounds like you want to add a second source for power, allowing for using a 30 amp post.

Maybe more thoughts on why you're doing this to help clarify?
I originally wanted 30amp dedicated RV outlet, but after suggestion to instead go to a 50amp RV outlet, that is what the new plan is. So inside the new panel I would like to have (2) double pole 50amp breakers and (3-4) single pole 20amp breakers for garage outlets.
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