Carlon Structured Cable Management Systems Handbook - Low Res User Manual

Page 49

installed in compliance with 300.22 shall be permitted.
Listed plenum optical fiber raceways shall be permitted to
be installed in ducts and plenums as described in
300.22(B) and in other spaces used for environmental air
as described in 300.22(C). Only Types OFNP and OFCP
cables shall be permitted to be installed in these raceways.

(B) Riser. Cables installed in risers shall be described in

any of the following:

(1) Cables installed in vertical runs and penetrating

more than one floor, or cables installed in vertical
runs in a shaft, shall be Type OFNR or OFCR. Floor
penetrations requiring Types OFNR or OFCR shall
contain only cables suitable for riser or plenum use.
Abandoned cables shall not be permitted to
remain. Listed riser optical fiber raceways shall be
permitted to be installed in vertical riser runs in a
shaft from floor to floor. Only Types OFNP, OFCP,
OFNR and OFCR cables shall be permitted to be
installed in these raceways.

(2) Types OFNG, OFN, OFCG, and OFC cables shall be

permitted to be encased in a metal raceway or
located in a fireproof shaft having firestops at each
floor.

(3) Types OFNG, OFN, OFCG, and OFC cables shall be

permitted in one- and two-family dwellings.

FPN: See 300.21 for firestop requirements for floor
penetrations.

(C) Other Wiring Within Buildings. Cables installed in
building locations other than the locations covered in
770.53(A) and (B) shall be Type OFNG, OFN, OFCG, or
OFC. Such cables shall be permitted to be installed in
listed general-purpose optical fiber raceways.

(D) Hazardous (Classified) Locations. Cables installed
in hazardous (classified) locations shall be any type
indicated in Table 770.53.

(E) Cable Trays. Optical fiber cables of the types listed in
Table 770.50 shall be permitted to be installed in cable trays.

FPN: It is not the intent to require that these optical fiber
cables be listed specifically for use in cable trays.

(F) Cable Substitutions. The substitutions for optical
fiber cables listed in Table 770.53 shall be permitted.

Gross Automation (877) 268-3700 · www.carlonsales.com · [email protected]