Answer:
good practice
Explanation:
Insulation also prevents conductors from coming in contact with people. Extension cords may have damaged insulation. Sometimes the insulation inside an electrical tool or appliance is damaged. When insulation is damaged, exposed metal parts may become energized if a live wire inside touches them. Electrical wires are designed to bear consistent electric current which should not lead to a fire in case of accidents/short circuit. Most of the electrical failures in India are caused due to failure of electrical wires. People often ignore the significance of this major material.
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