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Friday, May 17, 2019
Question:
In NEC 770.3, "Only those sections of Chapter 2 and Article 300 referenced in this article shall apply to optical fiber cables and raceways." Section 300.5 burial depth is not cited in Article 770. Does this mean that burial depth requirements do not apply to optical fiber cables and raceways?
Thank you, Jim DeCaro
A
Answer:
Hey Jim thanks for your question. You are correct, 300.5 is not referenced for optical fiber cable burial depths as stated in 770.3. There are separation requirements in 770.47 that could apply and there might be manufacturers recommendations for conditions such as freezing.