46 C.F.R. § 111.60-2 Specialty cable for communication and RF applications.
Title 46 - Shipping
Specialty cables that cannot pass the flammability test contained in IEEE Std 45, IEEE Std 1202, ANSI/UL 1581 test VW–1, or IEC 332–3 Category A due to unique construction properties, such as certain coaxial cables, must— (a) Be installed physically separate from all other cable; and (b) Have fire stops installed— (1) At least every 7 meters (21.5 feet) vertically, up to a maximum of 2 deck heights; (2) At least every 15 meters (46 feet) horizontally; (3) At each penetration of an A or B Class boundary; (4) At each location where the cable enters equipment; or (5) In a cableway that has an A–60 fire rating. [CGD 94–108, 61 FR 28280, June 4, 1996]
Title 46: Shipping
PART 111—ELECTRIC SYSTEMS—GENERAL REQUIREMENTS
Subpart 111.60—Wiring Materials and Methods
§ 111.60-2 Specialty cable for communication and RF applications.

