Section 2(h) in The West Bengal Electricity Regulatory Commission (Recovery of Expenditure for Providing New Connections) Regulation 2005
(h)High Tension (HT) or High Voltage (HV) means supply voltage where the voltage exceeds 650 Volts but does not exceed 33000 Volts under normal conditions, subject, however, to the percentage variation allowed, or as may be defined by either the Central Government in a Rule, or by the Central Electricity Authority;
