Low Voltage Lighting Voltage Drop CalculationsadminApril 28, 2026Calculators Low Voltage Lighting Voltage Drop Calculator Voltage (V): Current (A): Length (m): Cable Type: 1.5 mm² (16 AWG) 2.5 mm² (14 AWG) 4 mm² (12 AWG) Calculate For more information, see the IEC 60440 standard.