Duct Bank - Power and telephone wiring

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anbm

Senior Member
Location
TX
Occupation
Designer
Can communication conduits (hold telephone, telecom. wiring) and power conduits (hold low voltage wiring 120V-600V) install in same duct bank? What's the minimum separation between these two type of conduits if required?

If power and tele. conduits are not installed in same ductbank, I know that some power companies require thse two type of conduits to be apart at least 12" (if they are in same trench).

Thanks!
 
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