Definition(s)
Bus, cable
An approved assembly of insulated conductors with fittings and conductor terminations in a totally enclosed protective metal housing, see NEC Article 370.
Source: API RP 14F, Design, Installation, and Maintenance of Electrical Systems for Fixed and Floating Offshore Petroleum Facilities for Unclassified and Class 1, Division 1 and Division 2 Locations, Fifth Edition, July 2008. Global Standards