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11-22-2020, 08:17 AM
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#1
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Senior Member
Join Date: May 2015
Location: Issaquah/Grand Coulee, WA
Posts: 1,073
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Just throwing this out there. Can I run a cabin off my 50A wire?
Here is the layout. I blew out a WIRE (i think) at my cabin a couple weeks back, and the electrician is stumped. Thanksgiving is this next weekend, so I could definitely use some power in the cabin.
We have some property with a power pole that has a 30A and a 50A connection for trailers, then a shed and small cabin running off of 2 20A circuits. One of those circuits has died and we cannot find the source of the malfunction.
I have a 50A RV power cable. I have an unused 50A circuit. I only need about 20 amps from it but never hurts to have more. Is there any SAFE way to hook the 50A cable to some sort of power strip so I can create a couple of portable 110 outlets for the cabin for the Thanksgiving weekend?
Just a short-term fix until I/electrician can find the source of our dead circuit.
__________________
2015 24' Rockwood UltraLite 2304DS w/Equal-I-Zer 4-Point 1000lb sway control.
2014 39' Montana 3402RL (full-time)
Towing with 2018 Ram 2500 and 2014 Ecodiesel Grand Cherokee
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11-22-2020, 08:42 AM
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#3
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Registered User
Newmar Owners Club Ford Super Duty Owner Freightliner Owners Club Retired Fire Service RVer's
Join Date: Jan 2019
Location: Rosemary Farm, Northern Ca
Posts: 5,444
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Quote:
Originally Posted by scottandanna
Here is the layout. I blew out a WIRE (i think) at my cabin a couple weeks back, and the electrician is stumped. Thanksgiving is this next weekend, so I could definitely use some power in the cabin.
We have some property with a power pole that has a 30A and a 50A connection for trailers, then a shed and small cabin running off of 2 20A circuits. One of those circuits has died and we cannot find the source of the malfunction.
I have a 50A RV power cable. I have an unused 50A circuit. I only need about 20 amps from it but never hurts to have more. Is there any SAFE way to hook the 50A cable to some sort of power strip so I can create a couple of portable 110 outlets for the cabin for the Thanksgiving weekend?
Just a short-term fix until I/electrician can find the source of our dead circuit.
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I guess you could adapt down from your 50a cable with a couple “dog bones” to get to a 20a female and plug in a power strip and run extension cords, but this would be a really sub-optimal and entirely temporary solution. Also you would only be on one leg of the 50 so you would be limited accordingly.
Edit: or just do what Jrollf said....
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11-22-2020, 08:50 AM
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#4
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Senior Member
Join Date: Jun 2018
Location: Los Angeles area
Posts: 1,408
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Quote:
Originally Posted by jrollf
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The first link above is a RV plug, the second is a dryer plug.
I don't think the dryer plug is going to work...
Mike
__________________
Semi-retired technogeek...electronics / computer / 2-way / ham radio... WA6ILQ (45+years)
1985 Fleetwood 32' Southwind (Chev P30/454/TH400), dubbed "Lazarus" by friends... I resurrected it from the dead...
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11-22-2020, 08:58 AM
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#5
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Registered User
Newmar Owners Club Ford Super Duty Owner Freightliner Owners Club Retired Fire Service RVer's
Join Date: Jan 2019
Location: Rosemary Farm, Northern Ca
Posts: 5,444
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Just make sure it says NEMA 14-50, R for receptacle, P for plug. Both the links show a 14-50P.
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11-22-2020, 09:00 AM
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#6
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Senior Member
Join Date: Dec 2019
Posts: 785
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Quote:
Originally Posted by AnotherMike
The first link above is a RV plug, the second is a dryer plug.
I don't think the dryer plug is going to work...
Mike
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The 2nd one has a funky listing. Some of the images show RV style, some show household style.
This one should work too:
https://www.amazon.com/Parkworld-886...rv+50a&sr=8-29
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11-22-2020, 09:05 AM
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#7
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Senior Member
Join Date: May 2015
Location: Issaquah/Grand Coulee, WA
Posts: 1,073
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Awesome! Sounds easy (and safe) enough! I will look for one of those today.
__________________
2015 24' Rockwood UltraLite 2304DS w/Equal-I-Zer 4-Point 1000lb sway control.
2014 39' Montana 3402RL (full-time)
Towing with 2018 Ram 2500 and 2014 Ecodiesel Grand Cherokee
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11-22-2020, 09:11 AM
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#8
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Senior Member
Join Date: Dec 2019
Posts: 785
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Quote:
Originally Posted by scottandanna
Awesome! Sounds easy (and safe) enough! I will look for one of those today.
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Just remember the circuit breaker is 50 Amp, any 115v item will burn up before kicking the breaker. Highly suggest using a power strip with a built in breaker for protection.
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11-22-2020, 10:24 AM
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#10
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Senior Member
Join Date: Mar 2019
Posts: 469
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I’d have serious, serious reservations about an “electrician” who couldn’t resolve such a simple problem.
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11-22-2020, 12:07 PM
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#11
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Senior Member
Join Date: Oct 2017
Location: Boston,ma
Posts: 908
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I agree. There are Electricians and then there are "Electricians". Also why couldn't the Electrician wire this up for you that you needed to come to the Forum for help. He ( or she ) really doesn't sound very professional.
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11-22-2020, 03:04 PM
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#12
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Senior Member
Fleetwood Owners Club Workhorse Chassis Owner
Join Date: Feb 2000
Location: San Jose, Ca, USA
Posts: 2,693
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Quote:
Originally Posted by jrollf
Just remember the circuit breaker is 50 Amp, any 115v item will burn up before kicking the breaker. Highly suggest using a power strip with a built in breaker for protection.
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Just so you know - a 50A RV outlet is 120V/240V while a standard 15/20A household outlet is 120V (not 115V or 110V anymore!). The RV outlet provides 2 separate lines of 120V power - anything you plug into that line will be limited by the current it needs to operate. It has 50A available to it, but if it only needs 5A to operate then that's all it will draw. The only way an appliance will "burn up" is if it develops an internal short - under normal use this should not happen. To eliminate this issue simply put a protected outlet between your source and load...
__________________
Alan Hepburn - San Jose, Ca
2007 Bounder 35E being pushed by a 2020 Jeep Gladiator Sport S or a 2022 Jeep Wrangler Unlimited (JLU) Sport S
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11-22-2020, 03:31 PM
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#13
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Senior Member
Join Date: Oct 2018
Location: The Great NorthWest
Posts: 1,130
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In construction what we use for power distribution is what's called a " Spider Box" .
It is a metal box approx 16" x16" x 6" tall . It has a 220v twist lock recepticle for power supply and 6 fused 120v /15amp GFIC outlets.
We used power tools in rain storms with no issues . For protection this is the Safest way to distribute temporary power.
They can be rented from any large rental company.
The 220v power supply cord can also be rented .
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11-22-2020, 05:57 PM
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#14
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Registered User
Newmar Owners Club Ford Super Duty Owner Freightliner Owners Club Retired Fire Service RVer's
Join Date: Jan 2019
Location: Rosemary Farm, Northern Ca
Posts: 5,444
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Quote:
Originally Posted by Alan_Hepburn
Just so you know - a 50A RV outlet is 120V/240V while a standard 15/20A household outlet is 120V (not 115V or 110V anymore!). The RV outlet provides 2 separate lines of 120V power - anything you plug into that line will be limited by the current it needs to operate. It has 50A available to it, but if it only needs 5A to operate then that's all it will draw. The only way an appliance will "burn up" is if it develops an internal short - under normal use this should not happen. To eliminate this issue simply put a protected outlet between your source and load...
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I think that’s what Jrollf was saying - in the event of a malfunction (short) the appliance and/or wiring will burn up long before tripping a 50a breaker.
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