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 > Crack Down on 50 Amp Rigs Using 30 Amp Sites

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pianotuna

Regina, SK, Canada

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Posted: 07/11/18 03:58pm Link  |  Quote  |  Print  |  Notify Moderator

IIRC Nec suggests 13 30 amp per 200 amp breaker. Still more than enough to cause load problems if everyone has roof air, fridge and water heater. Even what I do is not wonderful. I do have the solar to help a bit.


Regards, Don
Full Time in a 28 foot Class C, 256 watts solar, 556 amp hours of AGM in two battery banks 12 volt batteries, 3000 watt Magnum hybrid inverter, Sola Basic Autoformer, Microair Easy Start.

dodge guy

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Posted: 07/11/18 04:27pm Link  |  Quote  |  Print  |  Notify Moderator

pianotuna wrote:

Anybody know when 50 amp was introduced?


At the beginning of this thread!


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jplante4

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Posted: 07/11/18 05:56pm Link  |  Quote  |  Print  |  Notify Moderator

dodge guy wrote:

pianotuna wrote:

Anybody know when 50 amp was introduced?


At the beginning of this thread!


Now THAT'S funny!!!


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CA Traveler

The Western States

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Posted: 07/11/18 09:08pm Link  |  Quote  |  Print  |  Notify Moderator

pianotuna wrote:

Anybody know when 50 amp was introduced?
I'd guess 1880s. [emoticon] [emoticon]


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pianotuna

Regina, SK, Canada

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Posted: 07/11/18 10:31pm Link  |  Quote  |  Print  |  Notify Moderator

Since there is pie on my face, let me rephrase.

When were 50 amp power systems first used in RV's?

valhalla360

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Posted: 07/12/18 06:12am Link  |  Quote  |  Print  |  Notify Moderator

pianotuna wrote:

I know it costs a lot--but individual power meters may be a way to help level the playing field at a campground.

I know of one that only surcharges $2 Cdn for 50 amp over 30 amp. Obviously they do not understand the difference in their potential costs.


15amps at 120v = 1800watts. Assuming a worst case 24hr run time at 15c/kwh that's $6.50. Most of the time a 30amp rig won't use anything close to that because the air/con cycles on and off.

Then you have the issue that someone has to go out and read the meter. This works for seasonal sites but for short term use, it's a huge hassle for little benefit. Much better to just tack on $5 for a 50amp site and you will come out way ahead as the owner.


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valhalla360

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Posted: 07/12/18 06:26am Link  |  Quote  |  Print  |  Notify Moderator

pianotuna wrote:

Hi Western,

I missed that post. I'm gob smacked that the difference is only $2. 3600 vs 12000 watts.......

Also because I'm in a 30 amp unit I added auxiliary shore power cords to run heaters and the like during the winter. I use a break out box with one 30 (L1) and two 20 amp breakers (L2). My peak load is 7000 watts and probably the average is 5000.


Keep in mind, he's talking about "average". If it's really hot out, an individual unit for a day could be 3-4 times as much but on a cool weekend where the air/con never gets used, it might be $0.20 more for a 50amp rig.

The "crack down" is really about those busy weekends when it's hot and everyone's air/con is running pretty much continuously.

If you are running a separate extension cord thru a window, it's pretty obvious to the owner, that you are using extra power, so if there is an issue, they can easily trace the issue.

We've done that trick for an extra space heater on a separate extension cord to the 20amp pedestal outlet but it's usually not a big issue for two reasons. 1) most parks are not at capacity when it's cold. 2) resistance heaters don't have the startup spike.

valhalla360

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Posted: 07/12/18 06:29am Link  |  Quote  |  Print  |  Notify Moderator

pianotuna wrote:

Since there is pie on my face, let me rephrase.

When were 50 amp power systems first used in RV's?


Not sure of the exact date but I would say I started noticing them early 1990's.

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Posted: 07/12/18 09:26am Link  |  Quote  |  Print  |  Notify Moderator

valhalla360 wrote:

pianotuna wrote:

Since there is pie on my face, let me rephrase.

When were 50 amp power systems first used in RV's?


Not sure of the exact date but I would say I started noticing them early 1990's.
I couldn't resist!

1990s would be a good guess. In 2004 with my first 50A rig a lot of parks did not have 50A and that has changed since then.

Lantley

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Posted: 07/12/18 09:46am Link  |  Quote  |  Print  |  Notify Moderator

It is the abundance of 50 amp rigs that makes the 30/50 a bigger issue.
THe likelihood of a 30 amp loop being filled with 50 amp rigs is more likely than in years past.
CGs will have to be aware of this issue and take the steps necessary to ensure the power keeps flowing....It appears at least one has taken the first step


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