What is the name of the part of the shipboard electrical system used to control the distribution of power to the branch circuits?

Correct Answer: Option B — main switchboard

The main switchboard serves as the central control and distribution hub for shipboard electrical power. Governed by 46 CFR Subchapter J and IEEE 45, it houses generator control equipment, main bus bars, protective devices, and distribution breakers required to safely route power to various branch circuits and motor controllers.