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Maximum Distance Between Conductor Supports

jar546

jar546

CBO
Joined
Oct 16, 2009
Messages
12,996
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Not where I really want to be
If I have a building under construction that utilizes a step up transformer from 480 to 660 in order to feed a specialty piece of equipment mounted outside, what is the maximum distance the overhead conductors can span before they need to be supported?
 
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