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Old 04-11-2013, 02:40 PM   #71
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FYI - Observing incandescent bulbs changing intensity may be misleading, and not necessarily an indication of varying AC line voltage since virtually all lights in an RV are powered from the 12V system, and they do change intensity whenever the power converter "changes gears" in the battery charging cycle. In the better converters, this voltage generally has 3 distinct steps of 13.2V, 13.6V, and 14.4V.

Bob
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Old 04-11-2013, 05:13 PM   #72
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I would rather replace my 300 surge than my twenty thousand dollar trailer
Any protector that fails means either trailer appliances are also damaged. Or each appliance protected itself from something so tiny that it only destroyed a grossly undersized protector.

Each discussed protector is only sufficient when properly designed; when it does not fail. How to avert that failure? Spec numbers.

Some protectors do absolutely nothing for a different anomaly. No protector addreses all problematic anomalies.

A term SP is always misleading since it does not say, with numbers, which anomaly. Surge is a vague term promoted mostly by advertising to create confusion; that increases sales. Numerous and completely different anomalies are called surges.

Personal preferences are useless unless tempered by hard facts with numbers. An example: unacceptable voltage variations are obvious when intensity of a 120 volt incandescent bulb varies. w4drr has provided another hard fact.
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Old 04-11-2013, 05:21 PM   #73
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I was speaking for myself only I choose to use a progressive industries ems pt30c having it in my opinion protects more than if I had nothning at all... I don't expect it to work for everything there is not a product out there to cover every possible scenario but if I can help prevent some even better
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Old 04-11-2013, 05:46 PM   #74
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Old 04-11-2013, 06:30 PM   #75
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Quote:
Originally Posted by pony express View Post
I was speaking for myself only I choose to use a progressive industries ems pt30c having it in my opinion protects more than if I had morning at all... I don't expect it to work for everything there is not a product out there to cover every possible scenario but if I can help prevent some even better
Pony
I've been looking at the progressive with remote read out at dyers,think I like it better than than the one I have
Thanks!
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Old 04-11-2013, 06:59 PM   #76
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Pony
I've been looking at the progressive with remote read out at dyers,think I like it better than than the one I have
Thanks!
I purchased the Progressive EMS-HW30C a month ago. It has shut off power at my RV for low voltage and for low frequency.

My computer UPS in the house reacted the same way for the low voltage but not the low frequency.

I'm pleased so far with my choice for a few of the problems I may encounter at parks (the two I mentioned were at home).

The only question I had while installing it was... what time to set for its delay feature for my air conditioner 2013 Airxcel Coleman Mach 15 (15,000 btu unit).

The a/c manufacturer recommended the 2+ minute delay.

A/C Delay - Coleman Mach 15

I installed mine as close as I could to the incoming 120v connection in my trailer, presuming that would be the best location for its purpose. I like the remote display because the unit is in a very tight compartment.
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Old 04-17-2013, 12:05 AM   #77
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We've been RV camping for 8 years, last two seasonal with larger TT, this our third season coming up. Never had a surge protector.
Can someone tell me in very simple terms (not highly technical here)
why I need one, what they do? Thank you.
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Old 04-17-2013, 03:30 AM   #78
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If folks camp at a lot of different campgrounds is always a good idea to measure everything....and restrict what is too much....ie...water pressure regulator...I use my portable surge gard everywhere....now that I have one....with the different adapters use it at house and boat....to determine voltage and current....especially since all is 30 amp....monitoring the amps prevents DW from popping breakers, especially at night and in the rain....I am sure there is one out there for everyones needs...and for those who don t use them that is okay too.....
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Old 04-17-2013, 07:26 AM   #79
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Originally Posted by bodzcampers View Post
We've been RV camping for 8 years, last two seasonal with larger TT, this our third season coming up. Never had a surge protector.
Can someone tell me in very simple terms (not highly technical here)
why I need one, what they do? Thank you.
This thing did kind of get out of control!


A couple of FIRST HAND harrow stories MIGHT help in the decision process?

What are my odds of ever NEEDING (wishing I had one) one?


A friend of mine has to carry a house key 100% of the time... If he goes out IN HIS back yard his wife locks the door behind him,
she stopped going to a local mall because some teenager tagged it, etc, etc.
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Old 04-17-2013, 07:31 AM   #80
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Originally Posted by w4drr View Post
FYI - Observing incandescent bulbs changing intensity may be misleading, and not necessarily an indication of varying AC line voltage since virtually all lights in an RV are powered from the 12V system, and they do change intensity whenever the power converter "changes gears" in the battery charging cycle. In the better converters, this voltage generally has 3 distinct steps of 13.2V, 13.6V, and 14.4V.

Bob
Bob,

Great point!
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