Conductor Size Nominal mm² 0.50 0.75 1.00 1.50 Class Of Conductor Class-2 or Class-5 Conductor Resistance Max Ohm/km P 39.0 T 40.1 P 29.6 T 26.8 P 18.4 T 20 P 12.20 T 12.70 Insulation Resistance Min (BIS:5308) Mohm x km PVC : 25 PE : 5000 Mutual Capacitance Core to Core Core to Screen Max Pf/mtr PVC 250 400 PE 80 120 L.R. Ratio Max Micro H/ohm 25 25 25 40 Test Voltage Core to Core Core to Screen Core to Armored – V V V – 1500 volt- 5 minutes 500 volt- 3 minutes 1000 volt- 3 minutes