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03-15-2009, 01:55 PM
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#21
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2 Rivet Member
1973 31' Sovereign
Maryville
, Tennessee
Join Date: Nov 2008
Posts: 50
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Thanks Ricky! Very important order of business! Still drinking Cherry Coke, I've got to lay flooring today and i'd like it to be cut straight.
I'll post a pic of all of this later today. It looks good now that it's all tied and organized.
eric
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03-15-2009, 02:04 PM
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#22
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Rivet Master
1971 25' Tradewind
1993 34' Excella
Currently Looking...
Estancia
, New Mexico
Join Date: Feb 2005
Posts: 7,743
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Quote:
Originally Posted by 86Scotty
Well Trev the electrician is going to show up now everyone, AFTER i'm finished with the job! He'll probably eat my food and drink my beer to boot!!!! It looks like i've got it perfect now everyone. Thanks to everybody for the help! I'm monitoring all the posts on my dist. block and nothing is warming up at all now, but my wiring is alot more well thought out this time.
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You're not going to keep the solution to yourself now, are you?
__________________
Sail on silver girl. Sail on by. Your time has come to shine.
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03-15-2009, 02:34 PM
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#23
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2 Rivet Member
1973 31' Sovereign
Maryville
, Tennessee
Join Date: Nov 2008
Posts: 50
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Sorry Lumatic! The solution is a bigger hammer! No, actually i was trying to use the original Univolt fuse panel just as power distribution using the top side. This means i failed to run wires straight from the converter to the lugs on the backside of the fuse panel. I was going straight from converter to battery using one + and - terminal and sending the other + and - output from converter to topside of fuse terminal instead of lugs on the back. Also, i think my ground to chassis from both the converter and the dist. block were inferior. I added seperate bolts for each straight to the frame, ran the ground through a fuse and distributed it better, and now it works! If i explained that where it is easily understood, it will be a miracle.
eric
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03-15-2009, 02:44 PM
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#24
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Rivet Master
1971 25' Tradewind
1993 34' Excella
Currently Looking...
Estancia
, New Mexico
Join Date: Feb 2005
Posts: 7,743
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Unintellipower
I used to have a Univolt. Got a Intellipower 9245. It fits gud on the back of the old gutted univolt and I still use the original fuse panel. Now I have a Unintellipower.
I was originally thinking about wiring from the Intellipower to the battery and back to the fuse panel. After reading the above post I'm glad I didn't.
__________________
Sail on silver girl. Sail on by. Your time has come to shine.
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06-08-2013, 05:58 AM
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#25
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3 Rivet Member
1959 24' Tradewind
easley
, South Carolina
Join Date: Oct 2006
Posts: 159
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Lunatic , I am going to attempt to install an intellipower into my univolt exactly the way you did.
Is there cutting of the chassis required?
Is the positive and negative obvious on the back of the fuse panel?
I'm a novice so am trying to proceed the simplest way I can, my univolt looks like yours and I got the 9245
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06-08-2013, 06:03 AM
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#26
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3 Rivet Member
1959 24' Tradewind
easley
, South Carolina
Join Date: Oct 2006
Posts: 159
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One more important question... I just wire from intellipower to fuse panel ... Then fuse panel to battery....that white wire goes to battery ground... Correct?
I Do not wire from intellipower directly to battery if I understand this
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06-08-2013, 06:31 AM
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#27
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Retired.
Currently Looking...
.
, At Large
Join Date: Jun 2003
Posts: 21,276
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Quote:
Originally Posted by mercury7
One more important question... I just wire from intellipower to fuse panel ... Then fuse panel to battery....that white wire goes to battery ground... Correct?
I Do not wire from intellipower directly to battery if I understand this
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The white wire goes to chassis ground, plus to the battery. It helps to wire direct to the battery, but you can run ground to chassis, and negative battery to chassis, especially if the battery is far away from the Intellipower/fuse panel.
__________________
Meddle not in the affairs of dragons, for you are crunchy, and taste good with ketchup.
Terry
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06-08-2013, 01:01 PM
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#28
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2 Rivet Member
1959 22' Flying Cloud
Bishop
, California
Join Date: Nov 2002
Posts: 48
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Okay, so do the individual 120 AC ground wires in receptacles, attach to the frame/skin?
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06-11-2013, 10:09 AM
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#29
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Master of Universe
2008 25' Safari FB SE
Grand Junction
, Colorado
Join Date: Sep 2007
Posts: 12,711
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Quote:
Originally Posted by tonyp
Okay, so do the individual 120 AC ground wires in receptacles, attach to the frame/skin?
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No.
The body/frame/skin is used for a ground for 12 v., not 120 v. There are usually 3 wires for 120: hot (black), common (white) and bare or green (ground). Sometimes other colors are used, especially in residential or commercial uses, but mostly it goes this way. The ground for 120 goes back to the pedestal.
If you grounded 120 v. to the trailer, a short could make touching it very interesting. What a way to wake up!
By the way, common is sometimes misidentified as ground, but it is not.
Gene
__________________
Gene
The Airstream is sold; a 2016 Nash 24M replaced it.
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06-11-2013, 11:17 AM
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#30
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2 Rivet Member
1959 22' Flying Cloud
Bishop
, California
Join Date: Nov 2002
Posts: 48
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Thanks,
So then the ground wires in the receptacles just get wired in series. Correct?
Also I see conflicting ideas on grounding the 120 volt distribution/breaker box. By this thread I am realizing that there is no 120 ground on the trailer, just rely on the shore power ground.
Tony
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06-11-2013, 11:55 AM
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#31
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Master of Universe
2008 25' Safari FB SE
Grand Junction
, Colorado
Join Date: Sep 2007
Posts: 12,711
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Quote:
Originally Posted by tonyp
Thanks,
So then the ground wires in the receptacles just get wired in series. Correct?
Tony
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No again. I only think of that distinction when talking about light bulbs and batteries in series or parallel.
Each conductor is wired to a receptacle and continues to the next one (unless it is the last, of course). Each conductor is either connected together with a pigtail to the receptacle, or the receptacle links it all together. If the receptacle fails and the wires all attach to it, depending how that was done, you may or may not lose the rest of the circuit, but probably won't.
Series and parallel circuits are confusing Series and parallel circuits - Wikipedia, the free encyclopedia
Gene
__________________
Gene
The Airstream is sold; a 2016 Nash 24M replaced it.
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06-12-2013, 08:19 AM
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#32
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2 Rivet Member
1959 22' Flying Cloud
Bishop
, California
Join Date: Nov 2002
Posts: 48
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I think I've got it straight in my head now. Any pictures perchance?
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02-02-2014, 10:01 AM
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#33
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2 Rivet Member
1959 22' Flying Cloud
Bishop
, California
Join Date: Nov 2002
Posts: 48
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Revisiting this thread. I used metal boxes on my 120 circuit. If the ground wire touches the box (a likely occurrence) am I in trouble? Should I have used the original Bakelite boxes and or plastic?
Thanks
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02-02-2014, 10:27 AM
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#34
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Rivet Master
2000 25' Safari
Davidson County
, NC Highlands County, FL
Join Date: Aug 2006
Posts: 4,493
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The ground wire (copper or green) must be attached to the metal boxes using some type of connector designed for this type of connection. This is a safety issue.
If you would have used plastic boxes (non conducting), it would not have been necessary to attach the ground.
__________________
Alan
2014 Silverado LTZ 1500 Crew Cab 5.3L maximum trailering package
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02-02-2014, 10:57 AM
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#35
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2 Rivet Member
1959 22' Flying Cloud
Bishop
, California
Join Date: Nov 2002
Posts: 48
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That is the way I set it up but that then makes it grouded to the skin which a previous poster said was a danger.
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02-02-2014, 11:50 AM
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#36
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Rivet Master
1974 Argosy 26
Morrill
, Nebraska
Join Date: Nov 2009
Posts: 6,014
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Ground wire getting hot?????
The skin of the coach SHOULD be grounded to the earth ground provided by the power company. There are three wires in the 120 volt AC 30 amp Circuit providing power to the coach.
Black=Hot (obviously not connected to earth ground)
White= Neutral (NOT connected or bonded to earth ground inside the coach)
Copper or Green=Earth Ground (connected or bonded to the Earth Ground Plane provided by the Utility Company and in some if not all systems by a ground rod driven deep into the earth) This wire in most cases is attached to the frame or skin of the coach close to where the power panel is located.
Larger coaches may be wired for 240 volt and will have an additional hot leg. Usually Red.
The Earth ground system on your coach is a different animal than the Common/Ground system. While they BOTH are connected to the skin/frame of the coach.
Earth ground is for SAFETY on the 120 volt AC side of the system.
Common/Ground is the RETURN side of the 12 volt DC system. Most, if not all 12 volt devices have only 1 wire for the POSITIVE side of the circuit. The negative side is connected thru the skin/frame of the coach. Thus the reason for the negative terminal of the battery to be connected in some way to the skin/frame of the coach.
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02-02-2014, 01:01 PM
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#37
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Rivet Master
1977 Argosy 24
Currently Looking...
Milltown
, Wisconsin
Join Date: Mar 2006
Posts: 1,087
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The ground wire is grounded to the ground terminal on the outlets. In doing that, the screws that attach the outlet to the box, ground the outlet to the box. If the box is metal, it in turn grounds it to the shell. The white wire must not be grounded in the breaker box, but must be on it's own buss with the rest of the white wires. Then connected to the white wire in the shore power cord. If the white wire is grounded in the trailer breaker box, like in house power, the ground fault breakers will not work in the trailer.
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02-02-2014, 01:28 PM
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#38
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Overland Adventurer
1991 34' Excella
2009 34' Panamerica
Telluride
, Colorado
Join Date: May 2012
Posts: 2,476
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There are no 240 volt coaches!
50 amp service is simply 2 110 volt feeds..... they share a bonded or common neutral and a ground.
Wired as follows... 2 hot wires
A neutral 2x the awg as the x and y hot and a ground.
Technically should you remove the common neutral you will introduce 240 volts to the coach... destroying any 110 volt devices.
30 amp service is a hot a neutral (common) and a ground.
The ground is bonded to the shell the hot (black) goes to all hot sides and neutral (white) goes to the neutral sides.
The real danger here I'd if the hot and neutral legs ate reversed the metal shell of the Airstream becomes energised. Should you have wet feet and are standing on grass dirt or anything wet and touch the shell.... poof you are dead as you just completed a hot path to earth and took 110-120 volts and 30+ direct amps through the heart muscle
All your 110 receptacles news to be grounded to your breaker box then box to the service entrance cable to plug. You can also ground each plug to the shell but shances are you are using wire with a ground.... and it always best to have everything pointed to a common ground point.
If your ground wire is getting hot you have a leak somewhere seeking ground. This is a potential safety hazard
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02-02-2014, 03:52 PM
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#39
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Rivet Master
2000 25' Safari
Davidson County
, NC Highlands County, FL
Join Date: Aug 2006
Posts: 4,493
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Quote:
Originally Posted by tonyp
That is the way I set it up but that then makes it grouded to the skin which a previous poster said was a danger.
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You will have to educate yourself, then sort through the posts and figure our who knows what they are talking about and who does not. There are some of both in this thread.
__________________
Alan
2014 Silverado LTZ 1500 Crew Cab 5.3L maximum trailering package
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02-02-2014, 05:04 PM
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#40
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Overland Adventurer
1991 34' Excella
2009 34' Panamerica
Telluride
, Colorado
Join Date: May 2012
Posts: 2,476
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All modern AS products are shell grounded to the ground wire which goes directly to your power source.
Make no mistake the shell is bonded to ground.
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