What is a common cause of accidents when working at heights?

A common cause of accidents when working at heights involves multiple contributing factors that stem from a lack of proper safety practices. The choice that includes both overconfidence and the use of improper safety gear highlights the importance of adhering to safety protocols and maintaining a mindset oriented towards caution.

Overconfidence can lead workers to underestimate the risks involved in working at heights, leading them to take unnecessary risks or skip essential safety checks. This mindset might result in neglecting to use protective equipment or inappropriately assessing dangerous situations.

Additionally, using improper safety gear directly correlates with the increased potential for accidents. Workers may rely on equipment that does not meet safety standards, or they might fail to utilize the correct equipment for specific tasks, compromising their safety and increasing the likelihood of falls.

Combining these two factors emphasizes a significant gap in safety awareness and practice. Proper training and the appropriate use of safety gear are vital to prevent falls and accidents, making this answer choice encompassing both elements a pertinent focus when considering workplace safety at heights.