In no case shall conductors in cablebus be smaller than _____ AWG.

The minimum conductor size in cablebus applications is specified to ensure safety, performance, and adaptability to varying electrical loads. A conductor size of 3/0 AWG is often stipulated as the smallest acceptable size due to its capacity to handle significant current without overheating, which is crucial in power distribution applications typically associated with cablebus systems.

Choosing a conductor that is too small can lead to increased resistance, potential overheating, and decreased efficiency, which can compromise both the equipment and the overall electrical system's safety. This standard is rooted in industry best practices and electrical codes that prioritize reliability and risk mitigation in electrical systems.

While larger sizes, such as 4/0 AWG or 2/0 AWG, might also be suitable for specific applications, 3/0 AWG represents a baseline that ensures adequate performance while adhering to regulatory and safety requirements.