Morning,
TECK 90 is a canadian nomenclature and here is a descprition from one of my suppliers catalogues
Teck 90 600V
Multi Conductor
Aluminum Armor or Galvanized Steel, 90C, 600 V
XLPE Ensulation, Inner PVC Jacket,
Interlok Armor, Outer PVC Jacket.
Applications:
For exposed or concealed...