At what mA level does a person start to feel a slight shock that's not painful but can be disturbing?

A person typically begins to feel a slight shock that is not painful but can be disturbing at around 5 mA. This sensation is often described as a tingling or a prickling feeling. At this current level, the body's nerves start to react to the electrical stimulus, causing awareness of the current flow without experiencing actual pain. This is an important threshold in understanding how electrical currents can affect individuals, particularly in safety contexts.

As current levels increase beyond this point, the sensation may become more pronounced and potentially painful, leading to more serious physiological reactions. Understanding the nuances of these thresholds is critical in entities where electrical safety is paramount, allowing individuals to work appropriately with electrical systems while minimizing risk.