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offgrid
Senior Member
Joined: 23 Jul 2018
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Topic: 50 or 30 amp Posted: 03 Feb 2019 at 12:29pm |
mjlrpod, I understand what you're looking for now and agree with lostagain's suggestion (on the power cable and connector not necessarily on moving money to Crete numbered bank accounts). I doubt there is such a thing as a 30 to 30A adapter because its not really adapting anything.
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1994 Chinook Concourse
1995 RV6A Experimental Aircraft
2015 Rpod 179 - sold
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Tars Tarkas
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Posted: 03 Feb 2019 at 12:17pm |
Originally posted by lostagain
Tars, I should add a comment regarding legal responsibility for taking risks. | Respectfully, I would suggest maybe you shouldn't. As mentioned earlier, you are talking to 8 forum regulars, mostly Senior Members, and mostly, I think, somewhere between mature and very mature. I'm pretty sure we all realize that actions can have consequences and that we are responsible for our own deeds or mis-deeds. Good odds.
I think it's absurd, not to mention condescending, to suggest that we better have our money offshore if we want to use a dogbone. (I think that's what we're talking about.) If I use one and I blow a fuse, I'll pay for the fuse. If I burn up my cord or converter, or my Pod, I'll buy another one. If I burn down 14,000 homes, or by some Rube Goldberg sort of scenario I somehow manage to cause the end of the world as we know it, well, I know I'll suffer the consequences. In the latter case, crazy as it is, but nevertheless conceivable, I hope my suffering will be brief.
Aside from absurd, or maybe because of that, this is getting to be kind of funny. You think the thread must be done, but then someone comes up with something else, a la when Colombo is leaving the room and he turns and says, "There's just one more thing...."
Columbo had better writers.
TT
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2010 176
FJ Cruiser
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lostagain
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Location: Quaker Hill, CT
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Posted: 03 Feb 2019 at 11:36am |
MJ, you may want to invest in a new cord or put a new 30A plug on the old one. The description of the poor connection is a known cause of electric fire.
Tars, I should add a comment regarding legal responsibility for taking risks. In recognition that every human endeavor involves risk, England, and other Common Law countries, such as the USA, follow the so-called "reasonable person [it used to be man] standard" for assessing whether the risk of the action carries with it liability for when things go wrong. If a reasonable person would take the risk because it's likelihood of a bad outcome is very small, we generally don't hold the person financially liable if someone gets hurt. We call that a reasonable risk.
On the other hand, if a person takes a risk that the "ordinary reasonable person" would not take, and something awful happens, then get your checkbook out. In our case with the 30/50A dogbone, since there are warnings against its use, most juries would likely find that you violated the "ordinary reasonable person" standard in light of the fact that people who supposedly know a lot more than you do about its use advise against it. So, if you insist on its usage in spite of the warning, be sure to have lots of insurance and your money and assets in offshore accounts. Crete has some nice numbered accounts, I've heard, and you'd have a nice trip visiting your money.
One of the factors in assessing what our so-called "reasonable person" would do is to assess whether the harm is reasonably foreseeable. That involves the assessment of the utility of the conduct vs. the magnitude of the risk. In effect it the idea is doing something very useful that has a very remote potential for harm, is generally seen as not violating the "reasonable person standard." Conduct in the opposite end of the spectrum that is not very socially useful andor carries a very high risk of harm tends to be have liability imposed. This is the concept of legal or" proximate" cause [don't confuse proximity to proximate, they ain't the same]. Legal or proximate cause is simply a public policy issue in which courts and juries, decide when to impose liability for the consequences of your act. It is not to be confused with another legal term, "cause in fact."
Supposedly this standard is objective, but it is about as objective as I am about many undiscussable political topics that thankfully we don't talk about here. In reality, the standard is what judges and juries say it is based on the particular set of facts and whether you've won their favor or pizzed them off during the trial or appeal.
This is a very superficial discussion of a very complex and internally contradictory topic. If you have specific questions about whether your specific conduct could expose you to liability where you live, please, please consult a member of the legal profession and by all means pay him/her very well for advise on the subject. It is not, I repeat, not an attempt to confer legal advice on anyone except the rpod goddess and she doesn't want or need it, she said.
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Never leave footprints behind.
Fred & Maria Kearney
Sonoma 167RB
Our Pod 172
2019 Ford F-150 4x4 2.7 EcoBoost
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mjlrpod
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Joined: 27 Sep 2016
Location: Massachusetts
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Posted: 03 Feb 2019 at 11:05am |
I was saying a 30 amp plug. It would have a 30 amp female on the back, and a 30 amp male on the front. See, the problem i've had is the hard plastic insulation around the 3 male pins, that plug into shore power, hits the surround of the plug in outlet and doesnt quite let the 30 plug sit fully inserted. Using the 30 - 50 eliminates this problem completely by moving my cord 2 inches away from the outlet and everything sts perfect. Problem is, I cant find one..... so far
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2017.5 Rp-172
2020 R-pod 195
2015 Frontier sv 4.0L 6cyl
I'll be rpodding
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offgrid
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Posted: 03 Feb 2019 at 9:39am |
Understood.
Unfortunately I guess a lot of park pedestals are poorly maintained so the 30A receptacles don't function well. I've never come across that myself because I use shore power rarely. When I have used it the pedestal's 30A outlets have functioned as they should.
I guess maybe I have a little problem with a park operator that charges good money to rent you a site, doesn't maintain his equipment properly, and then makes more money selling you a device you have to ignore a safety warning label to use. But that's just me.
I'm not clear on what you mean by a 30-30 adapter, did you mean the inline 30A circuit breaker I was referring to in the third choice in my previous post, or something else?
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1994 Chinook Concourse
1995 RV6A Experimental Aircraft
2015 Rpod 179 - sold
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mjlrpod
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Posted: 03 Feb 2019 at 9:02am |
My reason for my choice was about fire safety believe it or not. My pod cord I received with the camper doesn't always plug in as good as I like at the shore power receptacle. I found that it would make a crappy connection or even not work. One of the parks I had a problem, had this adapter in it's inventory and I purchased it. It worked great and I have used it ever since. I believe a plug that is partially in the receptacle will overheat as it tries to pull enough power from the bad connection. I will have to rethink this and get a 30 - 30 adapter. Unless someone is going to tell me THAT too is a risk.
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2017.5 Rp-172
2020 R-pod 195
2015 Frontier sv 4.0L 6cyl
I'll be rpodding
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offgrid
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Posted: 03 Feb 2019 at 8:59am |
TT, I'm not actually trying to sway anybody, but the audience I'm interested in getting the facts out to are new members who might unbelievably perhaps have the stamina to take the time to read through this thread. The 8 ppl participating have long since made up their minds about this, in most if not all cases well before the thread was even started.
I had to look up Godwin's law. I've heard folks in the electrical industry grumble about "Code Nazis" (folks who write and/or defend the NEC) before so I guess I could easily be accused of that 
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1994 Chinook Concourse
1995 RV6A Experimental Aircraft
2015 Rpod 179 - sold
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lostagain
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Location: Quaker Hill, CT
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Posted: 03 Feb 2019 at 8:54am |
Tars, I guess I have to weigh in on this. I was not comparing the use of a 50/30A dogbone to driving 100 in a school zone. The point was we all take risks, some mundane, some extraordinarily foolish but when we do so we have to take personal responsibility for what we do. Some risks are so minimal that the chance of hurting someone is nearly non-existent, while others present dangers that approach engaging in reckless disregard for the safety of others, indeed a criminal act.
I have read all the posts here and have learned a lot about not only the consequences of a dead short when using a 50/30A dogbone, but also the consequences of heating the conductors up by putting too much of a load on the circuit. I also note that FR and other manufactures caution against this type of amperage conversion. One cannot say it is risk free. The real issue, and one that hasn't been answered here is how small is the risk? If I get into an elevator I know I have about a 1 in 3M chance of sustaining a medically treatable injury and I chose to take the risk. When I boarded the Avianca flight to Colombia a week and a half ago, I knew I had about a 1 in 350K chance of getting hurt. Here, we don't have information to assess risk probability. All we can say is that it is theoretically possible.
I understand people using the dogbone and someone like StephenH has some pretty darn good reasons to use it to run his CPAP machine and possibly other medical devices. Each person hast to make his own risk assessment and pray for the best outcome. My comment about personal responsibility is that if you make a conscious choice to take a risk, you have the moral imperative to accept responsibility for the consequences, even if it bankrupts you. Sadly, in our culture, we have moved far away from taking responsibility for our conduct and are always looking to blame others for the consequences of our acts.
Bottom line, if you chose to take the risk, by all means do it. But in the very unlikely event it turns out badly, don't whine about having to compensate those who got hurt and don't say it was someone else's fault.
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Never leave footprints behind.
Fred & Maria Kearney
Sonoma 167RB
Our Pod 172
2019 Ford F-150 4x4 2.7 EcoBoost
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offgrid
Senior Member
Joined: 23 Jul 2018
Online Status: Offline
Posts: 5290
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Posted: 03 Feb 2019 at 8:34am |
mjlrpod,
I like that you are asking to separate facts from opinions. Like many things in life though knowing the facts doesn't necessarily result in a decision between black and white.
The facts are that when you use a 50A to 30A dogbone you are leaving the conductors between the output of your dogbone and the 30A circuit breaker in your trailer panel (the power cord and the internal trailer wiring) unprotected against certain types of electrical fault conditions. The result could be an electrical fire. Leaving these conductors unprotected from those fault conditions is not allowed under the National Electrical Code which is why you have a label next to your trailer connector warning you not to do that.
If your standard of proof is that there are actual cases where this has resulted in fires than it is most likely that does not exist, as the probability of occurrence of these particular fault conditions is low and the reporting of such things is spotty.
At this point your decision to use the dogbone or not becomes a matter of opinion. I think you have three choices: accept the risk of a fire from these faults in order to have the convenience of using the dogbone, don't use the dogbone and accept the inconvenience in order to avoid this fire risk (and/or to avoid violating your warning label instructions if such things bother you), or spend $ to add in a 30A circuit breaker after the dogbone to eliminate this risk. Note that options 2 and 3 would not magically remove all fire risk, just this particular one.
I for one don't think satan has anything to do with this and am OK with any of the above choices.
Hope that helps.
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1994 Chinook Concourse
1995 RV6A Experimental Aircraft
2015 Rpod 179 - sold
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Tars Tarkas
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Joined: 14 Jan 2013
Location: Near Nashville
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Posted: 03 Feb 2019 at 8:20am |
By all means, post away. I'm not sure whose mind you think you might sway at this point; there are only about 8 of us, all regulars, most, if not all, Senior Members, participating anymore.
And I'm sure Lostagain's intentions were good, as I know yours are, but comparing dogbone users to people who drive through school zones at 100 mph or saying they might kill 79 people and burn down 14,000 homes, is, intended or otherwise, in my opinion, one very tiny step away from the fulfillment of Godwin's Law.
TT
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2010 176
FJ Cruiser
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