How can an operator determine who is signaling a crane?

An operator can determine who is signaling a crane primarily by the color of the vest. In many construction and industrial settings, workers who are responsible for signaling equipment operators often wear vests of a specific color that indicates their role. This practice helps establish a clear line of communication and safety on the job site, as it allows the operator to quickly identify authorized personnel. The use of distinctive vest colors is a standard safety measure, ensuring that those giving signals are easily recognizable.

While gestures used by the signaler are crucial for effective communication and relaying specific instructions, they do not provide a way to identify the person signaling. Similarly, loudness of the signals may help operators hear instructions but does not assist in determining who is giving the signal. The use of flags can also be a method for signaling, but like gestures, it does not help identify the individual behind the signals. Thus, the color of the vest remains the most effective means for an operator to identify who is signaling in a crane operation context.