Surge protection... - Fiberglass RV


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Old 08-17-2014, 08:02 PM   #1
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Surge protection...

Just wanted to see who uses a surge protector an voltage regulator when using a generator or plug power? Plus if you do what are your recommendations?

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Old 08-18-2014, 08:53 AM   #2
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What do you have in the egg that requires surge protection?
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Old 08-18-2014, 09:02 AM   #3
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Oh not much just when I want to use my laptop for a DVD player. Most generators surge....

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Old 08-18-2014, 09:15 AM   #4
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For AC voltage, an old trick was to put a loose overhand knot in the power cord. Induction squelched the surge. The power cord might fry, but the equipment was protected.

If you are using an ac/dc adapter, you should be relatively well protected.
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Old 08-18-2014, 09:31 AM   #5
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In as much as portable generators that can be used in a campground are pretty much limited to inverter units, such as the Honda 2000 series, I don't know that "surge" is much of a problem any more.

But that said, as most laptop power supply bricks are labeled for 100-250VAC, they should be able to provide enough protection for your computer.

But, due to restrictions on generator use, I'd suggest opting for a battery/inverter setup to power the computer anyway. In addition to lighting, water pump, etc. we usually get 3 nights of DVD player/Flat screen usage from a Group 27 battery before getting down to a 50% charge.
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Old 08-18-2014, 11:59 AM   #6
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For AC voltage, an old trick was to put a loose overhand knot in the power cord. Induction squelched the surge.

I am going to throw the "BS" flag on this unless somebody can show me some science. Of course, it seems like every cord I own is always tangled and knotted so maybe they are made to do so for surge protection.
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Old 08-18-2014, 12:18 PM   #7
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Ya well I have a 300w inverter and a 20w solar panel. And a battery. I'm still trying to see how long it will take to charge up a battery with that panel....

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Old 08-18-2014, 01:13 PM   #8
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For AC voltage, an old trick was to put a loose overhand knot in the power cord. Induction squelched the surge.
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I am going to throw the "BS" flag on this unless somebody can show me some science. Of course, it seems like every cord I own is always tangled and knotted so maybe they are made to do so for surge protection.
It's worked so many times and you didn't know it. I would show you my rat's nest, but having just installed a new computer my wires are in relatively good order............for me.

Actually, my internet research shows arguments both ways, some from electrical types and some anecdotal.

I remember it from one of the computer maintenance and repair books I had years ago. It had to do with AC cords and power strikes; the high frequency of the lightning causing a massive induction in the knot, generating a reverse pulse, which protected the equipment, but many times fried the cord, the cheaper element in the chain. My thought was, 'It can't hurt."

I do use surge suppressors now for all lines coming into the computer.
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Old 08-18-2014, 01:46 PM   #9
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It's worked so many times and you didn't know it. I would show you my rat's nest, but having just installed a new computer my wires are in relatively good order............for me.

Actually, my internet research shows arguments both ways, some from electrical types and some anecdotal.

I remember it from one of the computer maintenance and repair books I had years ago. It had to do with AC cords and power strikes; the high frequency of the lightning causing a massive induction in the knot, generating a reverse pulse, which protected the equipment, but many times fried the cord, the cheaper element in the chain. My thought was, 'It can't hurt."

I do use surge suppressors now for all lines coming into the computer.

A lightening strike is a whole lot different than a surge from a generator and, that knot idea, as long as it is an Electrician's #88 knot might help.

But, that said, it also can hurt if not tied correctly, resulting in reverse electron flow in the exterior of the plumas dielectron barrier.

AND... putting a knot in a cord can stress the stranded wires, breaking them and reducing the effective size of the wire. That alone may explain why they get fried at the knot.

BTW: The mentioned Electricians #88 knot is a secret and proprietary knot, directly descended from the Gordian knot and, for the same reason is seldom used as it's impossible to untie afterwards.
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Old 08-18-2014, 03:13 PM   #10
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Thanks Bob. I have always suspected as much, but until now had now proof.

Oh, and per my original post, I did say a 'loose' overhand knot.
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Old 08-18-2014, 04:40 PM   #11
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One of my first additional equipment I added to my Scamp. A surge protector $100-150 spent to protect entire investment of many $100. Have I needed it.. it may have just done its job in the last 2 hours. Thunderstorms passing through the area I'm at electricity went out for few minutes. If a $ 100-150 save the AC and or refrigerator money well spent to me.
I've seen a large 5wheel burned out, due to electric issue. It was where I was staying and a few power post was incorrectly wired.
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Old 08-18-2014, 04:58 PM   #12
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What is weird, I was going to buy one as well...at Camping World. The guy talked me out of it!! But he mentioned that it would definitely catch miswired pedestals. I agree with you, yours may have just paid for itself! Like insurance: It only takes ONE time...

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One of my first additional equipment I added to my Scamp. A surge protector $100-150 spent to protect entire investment of many $100. Have I needed it.. it may have just done its job in the last 2 hours. Thunderstorms passing through the area I'm at electricity went out for few minutes. If a $ 100-150 save the AC and or refrigerator money well spent to me.
I've seen a large 5wheel burned out, due to electric issue. It was where I was staying and a few power post was incorrectly wired.
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Old 08-18-2014, 05:19 PM   #13
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Which one you buy?

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Old 08-18-2014, 05:35 PM   #14
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Too much stuff these days has a computer chip somewhere at the front end - microwave, thermostat, stereo, air conditioning, etc. I spent over 30 years in the computer manufacturing industry and consider it extremely cheap insurance, even at home. Would never think of not having it when plugging into unknown power sources.
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