For calculating electrical load requirements, what must be sized according to E-11.8.1.1?

The correct choice emphasizes the importance of sizing panelboards and other charging means in accordance with E-11.8.1.1 for calculating electrical load requirements. This aspect is critical because panelboards are central to electrical distribution in a system, acting as the point where electrical circuits are split off to various loads. Proper sizing ensures that the system can handle the expected load without overheating or failing under excessive demand.

Additionally, charging means refer to the devices responsible for replenishing energy storage units like batteries, which are vital in maintaining an uninterrupted power supply in marine applications. Ensuring these components are adequately sized helps to avoid potential overloads and enhances the reliability and safety of the entire electrical system.

Consequently, the focus on sizing panelboards and charging means reflects a comprehensive approach to load calculations, enabling a properly functioning electrical infrastructure that meets both operational demands and safety standards.