High resistance

Very low resistance

Medium resistance

Very high resistance

Use new electrode

Use new coal and salt layer

Use new earth wire

Use water and maintain wet condition

Reducing the pit depth for earthing

Increasing the depth of earth pit

Decreasing the length of the electrode

Connecting number of earth electrode in parallel

Megger

Ohm meter

Wheatstone bridge

Earth tester

Potential dividing method

Fall of potential method

Fall of resistance method

Current dividing method