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Old 03-18-2019, 03:24 PM   #1
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Default Mobile home feeding

Hi I am new here.this is my first post.
I want some information regarding mobile home feeding.
We are doing project to feed 150 mobile home sites.Each mobile home should be feed with 50A, 2pole breaker. Currently utility has single phase supply on site but customer is agree to upgarde 3 phase supply. the basic plan is to feed 3 phase supply from utility to HIgh voltage distribution switch and after this HV switch to loop feed to single phase transformers and these transformers will feed to 200A panel board.Here basic idea is take 3 phase power to HV Switch and at output of this switch this 3 phase will use to feed single phase transformer.Is that possible?
Please give any suggestion.Any help will be appreciated.
My questions are.
(1)how much loading we can put on 167 KVA 4.8kV/240V transformer.
(2)How we can apply demand factor according to Ontario code book.
(3)how much mobile home sites i can feed using 1-200A,240V panel board.
(4)Which type of HV switch i can use.
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Old 03-18-2019, 04:10 PM   #2
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If you feed them they may follow you home!



But seriously, welcome aboard @hiren.munjani1994!

Now if you can complete your 'about' section of your profile you may get some answers, thanks!
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Old 03-18-2019, 04:31 PM   #3
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Quote:
Originally Posted by MechanicalDVR View Post
If you feed them they may follow you home!



But seriously, welcome aboard @hiren.munjani1994!

Now if you can complete your 'about' section of your profile you may get some answers, thanks!
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Old 03-18-2019, 04:47 PM   #4
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Are you meaning recreational vehicles or manufactured mobile homes.
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Old 03-18-2019, 06:50 PM   #5
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Manufactured Mobile home @electricguy
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Old 03-18-2019, 06:58 PM   #6
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All new places like that is 100 amp here
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Old 03-19-2019, 08:47 AM   #7
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@electricguy customer wants to put 50A , 2pole service for each mobile home...
do you have any knowledge about this kind of projects.
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Old 03-19-2019, 08:50 AM   #8
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ibtl
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Old 03-19-2019, 09:36 AM   #9
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ibtl
What is meaning of ibtl
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Old 03-19-2019, 10:57 AM   #10
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Pretty sure the min will be 100 amp services they never had 50 amp services for mobile home pads even 50 years ago they were at least 60 amps. It would more than likely need an engineers stamp anyhow.
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Old 03-19-2019, 01:05 PM   #11
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Pretty sure the min will be 100 amp services they never had 50 amp services for mobile home pads even 50 years ago they were at least 60 amps. It would more than likely need an engineers stamp anyhow.
@electricguy I guess 50A, 2pole is pull up same power as 100A service right?
So ultimately It's 100A service to each mobile home.
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Old 03-19-2019, 01:06 PM   #12
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Quote:
Originally Posted by hiren.munjani1994 View Post
@electricguy I guess 50A, 2pole is pull up same power as 100A service right?
So ultimately It's 100A service to each mobile home.
50x240=12kW and 100x120=12kW
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Old 03-19-2019, 03:11 PM   #13
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To the OP: NO.

The authorities will expect that each pad receive 100A @ 240VAC -- center-tapped to ground.

Give this task to an Electrical Engineer.

He can crank out in minutes what an Electrician would have to really think about... 'cause he's got previous examples in his library.

What you're replicating is the standard underground residential distribution seen all over America -- but limited to 100A.

So, it's a cookie-cutter job for an EE... but not for ECs. We'd actually have to think about it.

ECs usually work off of EE plans at this scale.

You're almost getting to the point of designing a sub-division of homes.
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Old 03-19-2019, 04:02 PM   #14
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Thanks @tesla for information.
The question i had. According to our ontario rule for mobile home we can put 50A receptacle for mobile home unit. please see atttach code and tell me what do you think.
Once again appriciate your reply.
72-110 Connection facilities for recreational vehicles and mobile homes (see Appendix B)
(1) Where receptacles are installed on recreational vehicle lots, they shall be of the following types:
(a) 15 A, 125 V, 2-pole, 3-wire Type 5-15R receptacle;
(b) 20 A, 125 V, 2-pole, 3-wire Type 5-20R receptacle;
(c) 30 A, 125 V, 2-pole, 3-wire Type TT-30R receptacle; or
(d) 50 A, 125/250 V, 3-pole, 4-wire Type 14-50R receptacle.
􀀧
CE Code, Part I CSA / Ontario Electrical Safety Code ESA 295
Section 72
Mobile home and recreational vehicle parks
μ
(2) Each mobile home lot shall have provision for a permanent connection to the mobile unit, except that for
mobile homes having main overcurrent protection of 50 A, a 50 A, 125/250 V, 3-pole, 4-wire Type 14-50R
receptacle shall be permitted where a deviation has been allowed in accordance with Rule 2-030.
(3) When mounted in other than a horizontal plane, receptacles shall be oriented so that the U-ground slot is
uppermost.
(4) The receptacle described in Subrule (1)(a) or (b) shall be protected by a ground fault circuit interrupter of
the Class A type.
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Old 03-19-2019, 04:21 PM   #15
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You're describing an RV pad .

At least as far as American standards.

Up north, I can't imagine a Service so tiny.
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Old 03-19-2019, 04:48 PM   #16
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Ultimately, is this an RV park or a mobile home park?

HUGE difference.
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Old 03-19-2019, 04:49 PM   #17
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One is year-round... the other is not.
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Old 03-19-2019, 06:24 PM   #18
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This is mobile home.
I know there is huge difference between mobile home and recreation vehicle.
All rules and demand factors are different for both.
Is there any rule or code that's say about minimum service need for Mobile home?
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Old 03-20-2019, 02:09 PM   #19
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Quote:
Originally Posted by hiren.munjani1994 View Post
This is mobile home.
I know there is huge difference between mobile home and recreation vehicle.
All rules and demand factors are different for both.
Is there any rule or code that's say about minimum service need for Mobile home?
There are a bunch of them ... just set up a meeting with the electrician that will be installing this for you. He'll help you out.

Unless this is homework ??
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Old 03-20-2019, 02:12 PM   #20
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can you tell me specific codes that i need to follow fro this project.
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