Anand 12 April 2025

🧰 Types of Underground Cables

🔌 Type📝 Description⚡ Use
Low Tension (LT)Up to 1.1 kVHomes, small offices
High Tension (HT)11 kV to 33 kVIndustrial areas
Super Tension (ST)33 kV to 66 kVSubstations
Extra High Tension (EHT)66 kV to 132 kVLong-distance underground lines
XLPE CableCross-linked polyethylene insulatedDurable, heat-resistant
Paper Insulated CableOld style, rarely used nowHistorical installations