Final answer:
Power cords can be damaged by door or window edges, staples, and age.
Step-by-step explanation:
Power cords can be damaged by a variety of factors, including door or window edges, staples, and age. Door or window edges can cause the cords to become pinched or bent, leading to fraying or breakage. Staples can puncture or cut the cords, exposing the wires inside. In addition, power cords can deteriorate over time due to constant use, exposure to heat, or general wear and tear.
Learn more about damage to power cords