Question

Why current carring wires are coated with rubber like substances​

Answer 1

Explanation: Electric wires and cables are coated with substance like PVC to prevent from electric shock since PVC is insulator pad conductor of electricity). and it does not conduct electricity it is therefore on excellent material to use for electrical applications such as insulation sheathing for cables

Answer 2

Answer:

current carrying conductor is coated with rubber like substances. this process is known as insulation

this is actually a safety measure as rubber in insulator and doesn't carry current