Įxposed (to Accidental Contact). A circuit in such a position that, in case of failure of supports and or insulation, contact with another circuit may result.Informational Note: See Part I of Article 100 for two other defi‐ nitions of Exposed.For the purposes of this article, the following additional definitions apply.Abandoned Coaxial Cable. Installed coaxial cable that is not terminated at equipment other than a coaxial connector and not identified for future use with a tag. Definitions. See Part I of Article 100.Scope. This article covers coaxial cable distribution of radio frequency signals typically employed in community antenna television (CATV) systems.Informational Note: See 90.2(B)(4) for installations of CATV and radio distribution systems that are not covered.Informational Note: See Informational Note Figure 800(a) and Informational Note Figure 800(b) for an illustrative application of a bonding conductor or grounding electrode conductor. Community Antenna Television and Radio Distribution Systems