Typical double-armored submarine fiber cable. Legend: 1) Polyethylene, 2) Mylar tape, 3) Galvanized steel wires, 4) Aluminum water barrier, 5) Polycarbonate, 6) Copper or aluminum tube ...

The cable types covered include: armored cable (Type AC); flat cable assemblies (Type ... or in spiral interlocked steel or aluminum. Exposed Type AC cable, except as provided in Sec. 300.11(B), must ...