Testing of Insulation Resistance between Conductors

Testing of Insulation Resistance between Conductors Points : testing of insulation resistance between conductors For this test use, the circuit of figure which shows that all switches are made on while all the lamps are removed from holders, i.e. such an insulation test, the positive conductor of the circuit is connected to live and the negative conductor is connected to earth terminals respectively as shown in figure. The insulation resistance between the two conductors thus measured with megger should not be less than 50 megohms divided by the number of outlets (points + switch), but need not be more than 1 megohm. If P.V.C. Wires are used the value should be 12 /z divided by the number of outlets.