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Old 10-08-2015, 05:55 PM   #31
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Weston, you can do whatever you want, I will just unplug from shore power when it gets down to around 104V.
Sounds like you are misunderstanding his post. Yes one would unplug if low voltage is to your camper if you are using ac or as Weston says applies to motorized appliances. It does not effect Electronics. Later RJD
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Old 10-08-2015, 05:59 PM   #32
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Am I wrong here but when voltage goes down amps go up and when amps go up so does the heat?

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You are correct, heat and circuit boards do not mix let alone windings in motors.
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Old 10-08-2015, 06:03 PM   #33
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Sounds like you are misunderstanding his post. Yes one would unplug if low voltage is to your camper if you are using ac or as Weston says applies to motorized appliances. It does not effect Electronics. Later RJD
Understand completely, when I unplug shore power it will automatically unplug the rest and they will run off the batteries, which is the whole point and the converter will be completely out of the picture. Other folks can do as they please naturally, but I don't have to pay for it if they're wrong.
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Old 10-08-2015, 08:27 PM   #34
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Am I wrong here but when voltage goes down amps go up and when amps go up so does the heat?
Turbs, nope. Across a given load, when the voltage drops, the amps also drop. When the voltage increases the amps also increase.

What you are thinking is: If the voltage goes up, the current can be less to provide the same power. (P= I x E) Power = Current x Voltage.

However if the voltage is increased on a load, the current will increase.

If you use a water comparison: Voltage = Pressure, Amps = Water and Amount of flow = Power. So more pressure and the more water will flow and develop more power. The analogy doesn't work completely, but it does in most cases.

In some cases (usually inductive loads, like motors), lower voltages will cause heating and at times excessive current.
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Old 10-08-2015, 08:40 PM   #35
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Look at Tweety's prices, I paid $242 for my Progressive 30A hardwired unit including shipping.
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Old 10-08-2015, 10:18 PM   #36
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I found a used one on eBay but wonder if the warranty stuff only works for first time owners?
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Old 10-08-2015, 10:57 PM   #37
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I found a used one on eBay but wonder if the warranty stuff only works for first time owners?

I only assume NO. They ask for a recpt when warranty is used. They may make provisions as there are no serial numbers....at least on hw..c series. You could e-mail or call if wondering.


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Old 10-09-2015, 02:37 AM   #38
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Turbs read this article on low voltage and the danger of increased amperage and heat
Attached Files
File Type: pdf AC_Low_Voltage.pdf (17.1 KB, 16 views)
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Old 10-09-2015, 03:50 AM   #39
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Turbs read this article on low voltage and the danger of increased amperage and heat
Once 'reasons why' are included, then reasons for your myths become obvious. Your source is an admitted electrically naive author. He admits his knowledge only comes from magazine articles. He did not do this stuff. He simply admits he is reciting what others have told him. He does not even know why. Neither do you.

If low voltage causes increased heating, then universal electronics (from 85 to 265 volts) are hotter and failing on our 120 volt system. Reality. Those electronics are equally hot in Europe (230 volts) and in North America (120 volts). Because low voltage causes increased heating in motorized appliances (ie air conditioner that does not run from batteries). Low voltage causes no increased heat in electronics; despite hearsay and wild speculation that says otherwise.

A damning question repeated. If low voltage causes increased heating in electronics, then that poster can say what part inside electronics gets hot. Nobody did for only one reason. That increased heating is classic junk science - just like an article that says his electrical knowledge comes from reading magazines. He admits to being electrically naive. Yes one here cites that an an informed source. Nobody can even say what part gets hot - because none get hotter.

Completely irrelevant is what any one person does. It provides no useful information. Each such post is best ignored by adults who seek knowledge. Only relevant fact - low voltage is not harmful to electronics. Low voltage is potentially harmful to motorized appliances.

Finally, how do you know when voltage drops to 102? Do you monitor an AC volt meters every 15 seconds? Obviously disconnecting by a human is futile. Informed consumers install a Progressive, et al. Since no human can disconnect (switch to 12 volts) fast enough. That "I disconnect" is more wild speculation. It depends on a human reading a volt meter every 15 seconds. Will never happen since humans must even take a piss.

Defined is the problem: potential harm to motorized appliances. And a best solution: a protector that disconnects when voltage becomes too high or low.
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Old 10-09-2015, 10:36 AM   #40
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^^^^^^^
So Westom, your telling me low voltage causes heat and can mess up my electronics. Got it! Thanks pal!

Just playing lol, couldn't resist ������
I appreciate all the responses and didn't expect to light a debate able fuse. But from everything being said, fork over $240 and get a 30a progressive and enjoy my camper.
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