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Old 05-29-2013, 08:31 AM   #15
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Great; you can run two SEPERATE 120 vac 30 amp curcuits.
You may not use two outlets to provide power to a single trailer.
L1 - Neutral = 120 vac
L2 - Neutral = 120 vac
Neutral to Ground = 0 vac
BUT :
L1 to L2 will always be 240 VAC
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Old 05-29-2013, 06:16 PM   #16
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Originally Posted by dznf0g View Post
So, I have a 4 prong 240V outlet for an electric stove (unused, I have gas) right on the other side of the garage wall. What do I do to convert it to a 30 amp, 120V RV outlet if I moved it through the wall?
any pics of the outlet?
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Old 05-29-2013, 08:50 PM   #17
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Quote:
Originally Posted by dznf0g View Post
So, I have a 4 prong 240V outlet for an electric stove (unused, I have gas) right on the other side of the garage wall. What do I do to convert it to a 30 amp, 120V RV outlet if I moved it through the wall?
Safety First! If you do not know how, you should get a qualified electrician to do this for you.

If I were in your situation, I would remove the 4 prong outlet (relocate wires as needed) and use the existing wire to feed a small 240v sub-panel. If the existing wire is to short you might add a junction box and extend this set of wires to where you would like the sub-panel to be. Add a 30 amp single pole GFCI breakers to the sub-panel to feed a 120v 30amp RV outlets. You could add additional 120v circuit breakers if you need more than one outlet. You can extend the wires from the sub-panel to where ever you want the outlets, if at a different location. #10-2 copper with ground will carry the load of 120v 30 amp, if you are not extending a long distance.

edit: to be legal the person doing the work must be licensed and a permit is required.
edit 2: I assumed the existing outlet for a stove is 30 amp 240v. If the breaker controlling this wire is less than 30 amp double pole it will not work.
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Old 05-29-2013, 10:28 PM   #18
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Quote:
Originally Posted by VeggieBullet View Post
thanks for all the replies, as always Airforums is a great community!!
Well the whole issue here is that we have a generator cord rated 30AMP 240 (4prongs) and we were wondering if we can use that cable & install a 30Amp 240V Outlet to have 2 trailer plugged with full 30Amp.
I see that there is still a split decision whether "yes" and "no".
We are planning on installing a 50AMP 240 and have the "Y" adapter to 2 30Amps 120V but since we have the generator cord that could save us a ton of funds that can be very useful for some aluminum...
If you are installing a 50 amp circuit, you should add a sub-panel with breakers, not a 50 amp plug with a splitter adapter. You probably could rig something using that 30 amp cable that would work, but it might be dangerous.
1. You should get a qualified electrician to do the work if you are modifying any portion of the existing permanent electrical system you are connecting to. Or, if just plugging into an existing outlet, have someone look your work over before you power it up. You could damage your home and/or your trailer.
2. The chord you have for your generator should not be used as permanent fixed wiring inside your house or garage. It is meant to be a temporary drop chord.
3. If you spit the wires on a 240v 50 amp circuit without using breakers to protect any extensions from it, you will have 50 amps on the wires rated for 30 amps. The chord is probably has #10 wire rated for 30 amp.
4. The 240v circuit is protected by a double pole breaker. A 120v circuit extended from a 240v circuit should be protected by a single pole breaker with amp rating no larger than the amp rating the wire extending from it.

PM me if you have additional questions.
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