An automatic device that transfers load conductor connections is known as what?

The correct choice is a transfer switch because it is specifically designed to automatically switch load conductor connections between different power sources or feeds, typically in situations where an alternative backup power source, like a generator, is required. This device is crucial in ensuring a seamless transition of power, thereby maintaining the supply to critical loads during power outages or disruptions.

Transfer switches are equipped to handle automatic operation, allowing them to detect the loss of the primary power source and engage the backup source without manual intervention. This functionality is vital in various applications, particularly in facilities where continuous power supply is necessary, such as hospitals and data centers.

Other options do not fit the definition of an automatic device that transfers load connections. A distribution panel is primarily for distributing electrical power to different circuits but does not transfer connections between sources. A load balancer typically refers to equalizing electrical loads across multiple phases or systems rather than transferring them. A breakout panel is a point where several circuits branch off from a main feed, which does not provide the transfer capabilities associated with a transfer switch.