When dealing with electrical safety, which of the following is NOT a common risk factor?

Excessive sunlight exposure is not typically considered a common risk factor in electrical safety. This factor does not directly affect the electrical components or systems in a manner that could create a hazard. While environmental factors can play a role in the longevity and performance of equipment, direct exposure to sunlight primarily impacts materials through degradation rather than posing an immediate electrical safety risk.

On the other hand, faulty insulation, overloaded circuits, and moisture accumulation are recognized risks in electrical safety. Faulty insulation can lead to short circuits or electric shock, as it no longer effectively prevents unintended contact with live electrical parts. Overloaded circuits can create conditions that lead to overheating and potential fires due to excessive current flow. Moisture accumulation is particularly hazardous, as it can cause corrosion, shorts, or electrical shock by creating conductive paths where none should exist. Each of these factors is well-established as a risk in the context of electrical safety, highlighting the importance of proper maintenance and environmental control in biomedical equipment.