How is block 4 of AFI Form 487 categorized?

Block 4 of AFI Form 487 is categorized as Automatic or Manual Transfer Switch Information because this section is specifically focused on the details relating to how power is transferred from the primary source to the backup generator in the event of a power failure. A transfer switch is crucial in ensuring that the power supply switches seamlessly without interruption, either automatically or through manual input. This information is essential for understanding the operational capabilities and readiness of the electrical power system.

The other options refer to different aspects of generator and power system functionality. Generator status concerns the operational condition of the generator itself, while fuel system details provide insights into fuel supply and management. Control panel layout would focus on the arrangement and function of the control panel in relation to monitoring and controlling the generator. However, these aspects do not directly relate to the specifics of transfer switch operations, which is the focus of block 4.