What are The Difference Between Step Potential and Touch Potential

What are The Difference Between Step Potential and Touch Potential?.

Step Potential:-

                       The voltage between the feet of a person when current is flowing from the tower to the earth ground, the ground potential rises at the tower and a voltage gradient will occur based on the resistivity of the soil, resulting in a potential difference between two points on the ground. This is called a Step Potential as it can cause voltage between a person's feet.

Touch Potential:-

                      The voltage between the energized object and feet of a person if the ground connection between the tower and the soil is high resistance (common with some soil conditions), the tower itself (and any conductive item touching the tower) can be energized. Touch potential is the voltage between the energized object and the feet of a person in contact with the object.