Carlon Structured Cable Management Systems Handbook - Low Res - Manual (Page 51)

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and Cables. Where communications wire and cables
are installed in a raceway, the raceway shall be either
of a type permitted in Chapter 3 and installed in accor-
dance with Chapter 3 or a listed nonmetallic raceway
complying with 800.51(J), (K), or (L), as applicable, and
installed in accordance with 362.24 through 362.56,
where the requirements applicable to electrical non-
metallic tubing apply.
Exception: Conduit fill restrictions shall not apply.
800.49 Fire Resistance of Communications
Wires and Cables.Communications wires and cables
installed as wiring within a building shall be listed as
being resistant to the spread of fire in accordance with
Sections 800.50 and 800.51.
800.50 Listing, Marking, and Installation of
Communications Wires and Cables.
Communications wires and cables installed as wiring
within buildings shall be listed as being suitable for
the purpose and installed in accordance with Section
800.52. Communications cables and under-carpet
communications wires shall be marked in accordance
with Table 800.50. The cable voltage rating shall not
be marked on the cable or on the under-carpet
communications wire.
FPN: Voltage markings on cables may be misinter-
preted to suggest that the cables may be suitable
for Class 1, electric light, and power applications.
Exception No. 1: Voltage markings shall be permit-
ted where the cable has multiple listings and voltage
marking is required for one or more of the listings.
Exception No. 2: Listing and marking shall not be
required where the cable enters the building from
the outside and is continuously enclosed in a rigid
metal conduit system or an intermediate metal
conduit system and such conduit systems are
grounded to an electrode in accordance with
Section 800.40(B).
Exception No. 3: Listing and marking shall not be
required where the length of the cable within the
building, measured from its point of entrance, does
not exceed 15 m (50 ft) and the cable enters the
building from the outside and is terminated in an
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