Section 2(f) in The West Bengal Electricity Regulatory Commission (Recovery of Expenditure for Providing New Connections) Regulation 2005
(f)Low Tension (LT) or Low Voltage (LV) means supply voltage where the voltage does not exceed 250 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;
