Question

What is defective wiring?​

Answer 1

here is your answer

This can happen under various circumstances, such as with loose, damaged, live or exposed wiring, or if the power supply to electrical equipment hasn't been turned off or grounded. When insulation on wiring becomes worn, it can expose the wires

Answer 2

your question: What is defective wiring?

Explanation:

and

answer:This can happen under various circumstances, such as with loose, damaged, live or exposed wiring, or if the power supply to electrical equipment hasn't been turned off or grounded. When insulation on wiring becomes worn, it can expose the wires.