Definition(s)
Cable, TC-ER
Power and control tray cable as defined by NEC Article 336. This cable is suitable for exposed runs (ER) between cable tray and utilization equipment where the cables are supported and secured. Reference NEC Article 336 for installation details.
Source: API Recommended Practice 14FZ, Recommended Practice for Design, Installation, and Maintenance of Electrical Systems for Fixed and Floating Offshore Petroleum Facilities for Unclassified and Class I, Zone 0, Zone 1, and Zone 2 Locations, Second Edition, May 2013. Global Standards