What is the difference between hazard and risk?
The terms are described in EN ISO 12100-1:2004. A hazard analysis is conducted during which the predominant risk is determined. Where necessary, this is followed by a process of risk reduction. A hazard is a potential source of harm, where harm refers to either a physical injury or damage to health. A hazard can be specified according to its cause (e.g. mechanical hazard, electrical hazard) or the type of harm to be expected (e.g. electrical shock hazard, cutting hazard, poisoning hazard, fire hazard). The hazard in the sense of this definition is either continuously present during proper use of the machine (e.g. hazardous motion of parts, arc when welding, unhealthy bodily posture, noise emissions, high temperature) or can occur unexpectedly (e.g. explosion, crushing hazard due to unintended/unexpected starting, forcible ejection due to breakage, crashing due to acceleration/braking). The risk is a combination of the probability of the harm being incurred and the degree of harm. After
