Class 1,2 &3 Article 725

[BayElectric]

Hello,
Looking for input on the cables being used to monitor the system most time to scan loads in main panel and run to the combiner to be send remotely.
Seeking justification if it can/can't use the same raceway as the PV feed back to the main panel.
Please, no personal opinion, only information that can be backed up in the 2017 NEC.
Thanks,

 

[augie47]

Small world.. I'm wrestling with the same question in this thread https://forums.mikeholt.com/threads/cat-5-with-pv-power-circuits.2569741/#post-2777911
Complicating my research I can['t determine if the CT outputs are Class 1,2,or 3. Assuming Class 2 or 3, then 725,.136(I) provides some guidance.
I've looked at a number of manufacturer sites and one (Emphase I believe) stated their twisted pair cable could share the same conduit but most others emphasized keeping the cabling separate. Hopefully you and I will both find a definitive answer.