1.1 This Standard applies to 60 – 250 °C single- or multiple-conductor jacketed or unjacketed, integral or nonintegral cables and single or multiple coaxial cables for telephone and other communication circuits such as voice, data, and audio for on-premise customer systems. These cables are may contain one or more optical fibre members. For the purpose of this Standard, a coaxial cable or coaxial member conductor is a single conductor with a shield. For the purpose of this Standard, a single- or multiple-conductor unjacketed cable is a cross-connect wire.

1.2 This Standard applies to communications cables that are intended primarily for installation in accordance with Section 60 – Electrical Communication Systems of the CSA C22.1, Canadian Electrical Code, Part I, and Article 800 – General Requirements for Communications Systems, NFPA 70^®, National Electrical Code^® (NEC^®). They are rated for 300 V applications, but are not so marked.

NFPA 70^®, National Electrical Code^®, and NEC^® are registered trademarks of the National Fire Protection Association, Quincy, MA.

Note: See Annex A for a complete list of wire types covered by this Standard and the specific electrical codes for which they are intended.

1.3 This Standard does not apply to communications cords.

1.4 In Canada, the Type "-CI" circuit integrity markings are not recognized by the Canadian Electrical Code, Part I.

In the US, Type CMH is not recognized in the NEC.