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Anonymous Poster

Electrical Construction

11/08/2010 12:46 AM

how to sizing a cable wire for the 75kva transformer to sevice entrance
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Tornado
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Technical Fields - Technical Writing - New Member Engineering Fields - Piping Design Engineering - New Member

Join Date: May 2009
Location: Richland, WA, USA
Posts: 21017
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#1

Re: electrical construction

11/08/2010 1:00 AM

What voltage? How far? Conductors in air, separate or multi, in conduit, underground?

Consult local code.

(Another Rule 75 fence post.)

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Anonymous Poster
#2

Re: electrical construction

11/08/2010 2:06 AM

Study electrical engineering....or Give this job to a electrical contractor...what is meant by cable wire?.....
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Kiran D
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Join Date: Aug 2010
Posts: 26
#3

Re: electrical construction

11/08/2010 6:54 AM

You need to mention Primary and secondary Voltage. Once you know Primary voltage and Rating 75 KVA , you will be able to count Rated current of transformer. On the base of rated current you can count the size of Cable. Second thing you need to take in account the ambient temperature(Outdoor/Indoor).

I hope this would be useful.

Regards

Kiran
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PWSlack
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United Kingdom - Member - Indeterminate Engineering Fields - Control Engineering - New Member

Join Date: Jan 2007
Location: In the bothy, 7 chains down the line from Dodman's Lane level crossing, in the nation formerly known as Great Britain. Kettle's on.
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#4

Re: electrical construction

11/08/2010 8:39 AM

Easy. Hire a competent Electrical Engineer to do it, who will use British Standard 7671 in this country.

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