This outline covers the requirements for Wind Turbine Tray Cable (WTTC) rated 1000 volts@ 90 ?C 200??dry and optionally rated 90??wet. It also covers the requirements for Flexible Motor Supply Cable rated 1000 or 2000 volts and 90??dry. The cables are for use as noted in 1.2 ?C 1.4. Wind turbine power and control cable is intended to be installed in cable trays or raceways within a wind turbine generator. Flexible motor supply cable (Flexible VFD Servo Cable) is intended for use with variable frequency drives subjected to non-linear power distortions. These cables are intended for use in accordance with the applicable parts of the National Electrical Code (NEC)@ NFPA 70.
UL SUBJECT 2277-2018 history
2018UL SUBJECT 2277-2018 UL Outline for Investigation Flexible Motor Supply Cable and Wind Turbine (Issue 4)
2010UL SUBJECT 2277-2010 OUTLINE OF INVESTIGATION FOR FLEXIBLE MOTOR SUPPLY CABLE AND WIND TURBINE TRAY CABLE (Issue 3)
2008UL SUBJECT 2277-2008 OUTLINE OF INVESTIGATION FOR FLEXIBLE MOTOR SUPPLY CABLE AND WIND TURBINE TRAY CABLE (Issue 2)
2007UL SUBJECT 2277-2007 OUTLINE OF INVESTIGATION FOR FLEXIBLE MOTOR SUPPLY CABLE AND WIND TURBINE TRAY CABLE (ISSUE NUMBER: 1)