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 > Pulling more than 50 amps ?

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pianotuna

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Posted: 08/03/20 03:05pm Link  |  Quote  |  Print  |  Notify Moderator

It was a good thread for a while Techwriter. I enjoyed most of it.


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Kpackpackkelley

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Posted: 08/03/20 07:05pm Link  |  Quote  |  Print  |  Notify Moderator

TechWriter wrote:

valhalla360 wrote:

BB_TX wrote:

valhalla360 wrote:

BB_TX wrote:


From the OP:

Our park electrician says that some of the big rigs with 3 ACs and electric everything can sometimes draw more than 50A from a 50A pedestal.

A very simple statement regardless of the intent behind it. And that simple statement is absolutely true, at least until either the park 50 amp breaker trips, or the RV 50 amp breaker trips. And the voltage being used is entirely irrelevant. Doesn't matter whether the RV has any 240 vac appliances or if they are all 120 vac.

Boggles my mind that this has turned into a 9 page (an counting) debate about an "idiot electrician" making a very simple and very true statement and everyone turning that into their own personal interpretation as if they know more about what he was referring to than the electrician himself.

Nothing in your quote states they were referring to 240v operations. Even for big rigs, 240v appliances are very rare.

240 vac has been mentioned multiple times thru the course of this thread. And your own post said the question could not be answered without knowing the voltage. And I still stand on my earlier comments that voltage is irrelevant to the discussion and an RV, whether it has any 240 vac appliances or not, can in fact draw more than 50 amps thru either of the hot legs of the park 50 amp power pedestal until that breaker or the RV 50 amp breaker trips.


Yes, people are making lots of assumptions about a conversation they were not part of and then calling the guy an idiot without the full story.

There is no evidence the electrician was speaking of 240v draws...so people jumping to the conclusion he was makes no sense. Logically since the vast majority of rigs have NO 240v draws, it would be reasonable to assume he was speaking of 120v draws and in that case, it's very easy for a rig to pull more than 50amps at 120v.


This is the OP & that's what park electrician meant.

Moderators, please close this thread.

Thank you

hypoxia

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Posted: 08/03/20 07:25pm Link  |  Quote  |  Print  |  Notify Moderator

I think the thread has had a lot of great information but disrupted with some posts and perhaps egos. Overall some of us have gained knowledge which is what we are here for.


Jim

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Posted: 08/03/20 10:38pm Link  |  Quote  |  Print  |  Notify Moderator

.............

valhalla360

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Posted: 08/04/20 04:57am Link  |  Quote  |  Print  |  Notify Moderator

TechWriter wrote:


This is the OP & that's what park electrician meant.

Moderators, please close this thread.


So did he say they can exceed 50amp @ 240v? Your original post didn't state that.

Or are you assuming that's what he meant?


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cavie

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Posted: 08/15/20 12:57am Link  |  Quote  |  Print  |  Notify Moderator

50 amp 120/240 volt will trip if either leg goes over 50 amps.


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