Can 480V power wiring and fiber optic cables be installed in the same conduit per 2020 NEC? What are the requirements and/or restrictions?
Not enough info.
What is the fiber optic cable for? Emergency communication?
The fiber is used for communication and data collection at a water treatment plant.
Definitely not if it's an underground run 770.47
You need to go into Article 770 and take a look.
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