A(n) _____ system does not have direct connections to other electrical sources.

A separately derived system is one that operates independently from other electrical sources and has no direct connections to them. This means the system's output does not feed back into the electrical network of the overall building or facility, ensuring that it can function without interdependency on other systems. The lack of direct connections provides unique advantages in safety and operational flexibility, as it can be designed and maintained without the potential risks associated with interconnected systems. This independent operation is especially important in certain applications where electrical isolation is crucial, such as in sensitive environments or when implementing specific safety protocols.

In contrast, derived systems typically refer to electrical systems that have some connection to a primary source, emphasizing a level of dependency. Severed systems imply a disconnection that does not inherently define their operational parameters. Directly linked systems denote connections that integrate them into a larger electrical network, which does not apply to independently functioning systems. Thus, a separately derived system is the right choice as it accurately represents the concept of having no direct connections to other electrical sources.