Section 25 in Tamil Nadu Electricity Regulatory Commission Tamil Nadu Electricity Distribution Code
25. System of Supply.
- The Licensee's declared voltage of supply will be generally as follows:(a)Low Tension Supply(i)Single phase 240 volts, 50 Hz A.C between phase and neutral.(ii)Three-phase 415 volts 50 Hz A.C between phases.(b)High Tension SupplyThree-phase 50 Hz A.C, 11,000 volts, or 22,000 volts and 33,000 volts between phases whichever is available.(c)Extra High Tension SupplyAlternating current - 50 Hertz Three- phase 66,000 volts, 110,000 volts and 230,000 volts between phases whichever is available.For larger loads, the Licensee reserves the right to supply at higher voltages according to the convenience of the Licensee.
