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Old 06-28-2008, 08:52 PM   #1
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How far from house for ground transformer?

Am getting ready to start building a new house out in the country.

The electric co-op will trench in high voltage line to the rear side of the house, where it will be cut to 240v in a ground mount transformer. After the walls are up, they will return and trench in the 240 primary to a meter on the house and we will hook up the rest.

Is there code on proximity of the high-voltage ground mount transformer to the house? Any suggestions for aesthetics or safety?



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Old 06-29-2008, 12:44 AM   #2
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Generally, the power company is completely in charge of everything on their side of the meter. The National Electrical Code specifically exempts public utilities from any and all code requirements. The local building department usually doesn't inspect power company stuff either. If the Power company approves it, then you're OK.



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Old 06-29-2008, 01:30 AM   #3
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If the placement of the pad mount is of concern it is possible to get them to put it where you would like it (within reason of course.) You may incur some cost if you want it a long way from the house as the secondary lateral may be of a length the utility will require additional payment for special location due to added wire costs.
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Old 06-29-2008, 07:30 AM   #4
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Thanks for the replies.

The electric co-op is very accommodating. Where they initially flagged to place the transformer was about 20 ft. behind the garage--close enough to minimize voltage drop but far enough to allow mowing around it.

My only other thought would be to put a concrete pad for it directly against the garage but that complicates the construction process and may raise so safety issues--it is 7200 volts primary.

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Old 06-29-2008, 08:59 AM   #5
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There should be no safety issues. All the connections should completely enclosed and inaccessible.
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