Answer: A. The electrical wires are made of metal, which conducts electricity. In order to make the wiring safe, he would wrap the exposed wire with plastic materials, which are good insulators. This keeps the flow of electricity contained to the light fixture and wiring.
Explanation:
Electrical wires are made of metals. Metals are good conductors of electricity. In order to make the wiring safe, the exposed wires are wrapped with plastic material and insulting tape as these are bad conductors of electricity. This would protect the person who might accidentally touch the exposed wires from electric shock. The insulating plastic and tape keeps the flow of electricity contained to the light fixture and wiring. correct answer is A.