FPN: Rules that are followed by a reference in brackets contain text that has been extracted from NFPA 90A-
2002, Standard for the Installation of Air-Conditioning and Ventilating Systems. Only editorial changes were made to the extracted text to make it consistent with this Code.
I. General
800.1 Scope. This article covers communications circuits and equipment.
FPN No. 1: For installation requirements for information technology equipment and systems in an information technology equipment room, see Article 645.
FPN No. 2: For further information for remote- control, signaling, and power-limited circuits, see Article 725.
FPN No. 3: For further information for fire alarm systems, see Article 760.
FPN No. 4: For installation requirements of optical fiber cables and raceways, see Article 770.
FPN No. 5: For installation requirements for network- powered broadband communications circuits, see Article 830.
800.2 Definitions. See Article 100. For the purposes of this article, the following additional definitions apply.
Abandoned Communications Cable. Installed communications cable that is not terminated at both ends at a connector or other equipment and not identified for future use with a tag.
FPN: See Article 100 for a definition of Equipment.
Air Duct. A conduit or passageway for conveying air to or from heating, cooling, air conditioning, or ventilating equipment, but not including the plenum. [90A:3.3.5]
Block. A square or portion of a city, town, or village en- closed by streets and including the alleys so enclosed, but not any street.
Cable. A factory assembly of two or more conductors having an overall covering.
Cable Sheath. A covering over the conductor assembly that may include one or more metallic members, strength members, or jackets.
Communications Circuit. The circuit that extends voice, audio, video, data, interactive services, telegraph (except radio), outside wiring for fire alarm and burglar
alarm from the communications utility to the customer's communications equipment up to and including terminal equipment such as a telephone, fax machine, or answering machine.
Communications Circuit Integrity (CI) Cable. Cable used in communications systems to ensure continued op- eration of critical circuits during a specified time under fire conditions.
Exposed (to Accidental Contact). A circuit that is in such a position that, in case of failure of supports or insulation, contact with another circuit may result.
FPN: See Article 100 for two other definitions of Exposed.
Point of Entrance. The point within a building at which the wire or cable emerges from an external wall, from a concrete floor slab, or from a rigid metal conduit (Type RMC) or an intermediate metal conduit (Type IMC) con- nected by a grounding conductor to an electrode in accordance with 800.100(B).
Premises. The land and buildings of a user located on the user side of the utility-user network point of demarcation.
Wire. A factory assembly of one or more insulated conductors without an overall covering.
800.3 Other Articles.
(A) Hazardous (Classified) Locations. Communications circuits and equipment installed in a location that is classified in accordance with 500.5 and 505.5 shall comply with the applicable requirements of Chapter 5.
(B) Equipment in Other Space Used for Environmental