The LTC125-TB is a Type B liquid-tight flexible PVC conduit in black color with orange markings, size of 1-1/4 Inch, approved for outdoor and direct burial in the US. Max inner diameter is 1.410 inch, and the max outer diameter is 1.660 inch. UL temperature ratings: 80°C dry, 60°C wet, 60°C oil. Use in machine tools, motor hookups, food processing equipment, extensions from wire ways, and sensor and micro switch wiring found in control consoles.