Hello! I am currently working on a 4-story condo building and the current plan for the A/C units on the roof for all the condo units, (48 in all),is to run the control wiring for each unit in the same raceway as the 240 v. supply for each unit. is this practice legal? i cannot find anything in the code book that refers to this circumstance directly.they are planning on using 600 V. insulated #16 t.h.h.n. I would appreciate your help on this issue.
control wiring in a/c raceway
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