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07-24-2016, 04:54 PM
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#1
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3 Rivet Member 
2016 27' International
Montreal
, Quebec
Join Date: Dec 2014
Posts: 195
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Is this suppose to look like this
Can anyone tell me what this is. I had never paid attention to this but today as I was lowering the stabilizer jack I just noticed this and I am not really sure what this is.
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07-24-2016, 04:57 PM
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#2
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4 Rivet Member 
1991 25' Excella
Stanfield
, Oregon
Join Date: May 2016
Posts: 317
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Looks like a propane line that someone has modified
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07-24-2016, 05:09 PM
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#3
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Retired.
Currently Looking...
.
, At Large
Join Date: Jun 2003
Posts: 21,276
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That is a ground wire.
__________________
Meddle not in the affairs of dragons, for you are crunchy, and taste good with ketchup.
Terry
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07-24-2016, 05:11 PM
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#4
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2 Rivet Member 
1992 25' Excella
Orange County
, New York
Join Date: Jun 2015
Posts: 33
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Someone attached a ground clamp and ground wire to your propane line.
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07-24-2016, 05:15 PM
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#5
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Rivet Master  
2012 27' Flying Cloud
W
, New England
Join Date: Oct 2012
Posts: 7,402
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Quote:
Originally Posted by Williker
Someone attached a ground clamp and ground wire to your propane line.
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The factory?
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07-24-2016, 05:16 PM
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#6
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3 Rivet Member
2016 27' International
Montreal
, Quebec
Join Date: Dec 2014
Posts: 195
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Quote:
Originally Posted by overlander63
That is a ground wire.
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Thanks. Since this is a brand new AS I was curious to find out if is suppose to come like this from the factory. I find it strange that they run that gaz line like that.
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07-24-2016, 05:17 PM
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#7
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Rivet Master
1978 Argosy Minuet 6.0 Metre
Currently Looking...
Wauwatosa
, Wisconsin
Join Date: Oct 2010
Posts: 810
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That is a grounding clamp for electrical grounding clamped to a copper pipe. If that pipe is a LP line, grounding to it is dangerous. If it is a water pipe it's not dangerous. I have never seen an RV electrical system grounded to the water lines but not sure how the electrical system in your unit is grounded.
__________________
Judging a person does not define who they are, it defines who YOU are.
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07-24-2016, 05:22 PM
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#8
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2 Rivet Member
1992 25' Excella
Orange County
, New York
Join Date: Jun 2015
Posts: 33
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Quote:
Originally Posted by SteveSueMac
The factory?
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It probably was, I have one in almost the same spot
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07-24-2016, 05:23 PM
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#9
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Rivet Master
2007 30' Classic
Oswego
, Illinois
Join Date: Jul 2010
Posts: 13,669
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My understanding is that using the copper line as THE common ground is bad, but grounding the line to the frame is done in trailers where the line is insulated from the chassis. Mine has a ground wire from the line to the chassis, but I can't recall where it is ....and it s pouring rain right now.
__________________
-Rich-
"If the women don't find you handsome, they should at least find you handy." - Red Green
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07-24-2016, 05:31 PM
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#10
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Rivet Master
Port Orchard
, Washington
Join Date: May 2009
Posts: 4,463
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Quote:
Originally Posted by GeocamperAS
That is a grounding clamp for electrical grounding clamped to a copper pipe. If that pipe is a LP line, grounding to it is dangerous. If it is a water pipe it's not dangerous. I have never seen an RV electrical system grounded to the water lines but not sure how the electrical system in your unit is grounded.
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How about "its a ground wire to ground the propane line to the frame to protect it from a static build up causing an arc and blowing up the trailer".
That my guess.
Ken 
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07-24-2016, 05:42 PM
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#11
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2 Rivet Member
1992 25' Excella
Orange County
, New York
Join Date: Jun 2015
Posts: 33
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Mine is run right to the chassis, via the mounting bracket for the stabilizer.
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07-24-2016, 05:43 PM
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#12
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Rivet Master
2007 30' Classic
Oswego
, Illinois
Join Date: Jul 2010
Posts: 13,669
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Same location as yours
__________________
-Rich-
"If the women don't find you handsome, they should at least find you handy." - Red Green
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07-24-2016, 05:51 PM
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#13
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Rivet Master
2007 22' International CCD
Corona
, California
Join Date: Jul 2013
Posts: 9,180
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I would bet it's a safety ground to bond the propane line to the rest of the AS for safety. My electrical panel ground bonding clamp is on the frame near the rear of the AS.
I don't think my propane lines are covered like that, but it's a good idea to prevent rock damage. Hm. Something else to look into....
Sent from my pocket Internet using Airstream Forums
__________________
Rich, KE4GNK/AE, Overkill Engineering Dept.
'The Silver HamShack' ('07 International 22FB CCD 75th Anniversary)
Multiple Yaesu Ham Radios inside and many antennae sprouting from roof, ProPride hitch, Prodigy P2 controller.
2012 shortbed CrewMax 4x4 Toyota Tacoma TV with more antennae on it. 
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07-24-2016, 05:58 PM
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#14
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Rivet Master
Currently Looking...
Walnut Creek
, California
Join Date: May 2015
Posts: 3,952
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There are several models that route the LPG line in this way. We found the configuration while kicking back to relax on our first overnight and asked our dealer. Answer was "That's the way they do it." We did ask the folks on the factory tour and got a "I don't know." There has got to be a better route for a gas line. Pat
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07-25-2016, 06:11 AM
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#15
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3 Rivet Member
2016 27' International
Montreal
, Quebec
Join Date: Dec 2014
Posts: 195
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Thanks everyone, haapy to find out it is suppose to be like that .
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07-25-2016, 11:02 AM
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#16
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New Member
beloit
, Wisconsin
Join Date: Mar 2015
Posts: 1
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why would you route a gas line lower than the frame? This can snag on just about everything. grounding to a gas line is also very bad idea.
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07-25-2016, 11:12 AM
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#17
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3 Rivet Member
2016 27' International
Montreal
, Quebec
Join Date: Dec 2014
Posts: 195
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Quote:
Originally Posted by yatahay
why would you route a gas line lower than the frame? This can snag on just about everything. grounding to a gas line is also very bad idea.
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Whether you are right or wrong this is how Airstream does it.
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07-25-2016, 11:18 AM
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#18
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2 Rivet Member
1992 25' Excella
Orange County
, New York
Join Date: Jun 2015
Posts: 33
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"why would you route a gas line lower than the frame? This can snag on just about everything. grounding to a gas line is also very bad idea."
There are other items like the stabilizer that are lower and would hit the ground first.
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07-25-2016, 11:42 AM
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#19
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Rivet Master
2007 30' Classic
Oswego
, Illinois
Join Date: Jul 2010
Posts: 13,669
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Quote:
Originally Posted by yatahay
why would you route a gas line lower than the frame? This can snag on just about everything. grounding to a gas line is also very bad idea.
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I believe code requires them to be on the exterior, except for the pass-through in the floor near the appliance. Inside the belly (higher than frame) would be a code violation.
Also, this configuration is not "grounding TO a gas line". It is grounding THE gas line TO the frame, in order to dissipate any potential static charge buildup as gas moves through the line.
__________________
-Rich-
"If the women don't find you handsome, they should at least find you handy." - Red Green
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07-25-2016, 11:47 AM
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#20
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Rivet Master
Port Orchard
, Washington
Join Date: May 2009
Posts: 4,463
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Quote:
Originally Posted by yatahay
why would you route a gas line lower than the frame? This can snag on just about everything. grounding to a gas line is also very bad idea.
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This is not grounding to a gas line. This is grounding of a gas line to the trailer ground. This is done so that static charge cannot build up on the line
I believe that the gas line is routed under the trailer so that in the event of a leak, the gas will dissipate. If the gas line were routed either in the belly pan or worse within the trailer, any tiny leak would cause gas to accumulate until some ignition source like a static discharge ignited it and blew the trailer into little tiny bits. In the best case scenario, the occupants would die peacefully in their sleep from suffocation before the trailer exploded.
There was a tragic story a few miles away from me a couple months or so ago. A small propane leak developed in propane pipes inside a mobile home. The gas expanded until it found an ignition source. The ensuing explosion killed both occupants and blew pieces of the mobile home up to a 1/4 mile away.
Ken
While I was composing this. (I take a while for correcting typing errors) Rich posted essentially the same response, However, without as much drama. 
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