What is the minimum size conductor that can be run in parallel?

The minimum size conductor that can be run in parallel is 1/0. Conductors are often run in parallel to effectively increase the current-carrying capacity of a circuit while reducing the overall resistance. For parallel installations, the National Electrical Code (NEC) specifies size limitations to ensure that the conductors can operate safely without overheating or risking malfunction.

Using 1/0 as the minimum conductor size allows for adequate current-carrying capacity while still aligning with NEC guidelines for installation practices. Smaller-sized conductors cannot be configured in parallel due to increased risks of overheating and creating imbalances in the load distribution among the conductors. Therefore, it is important to adhere to these minimum size requirements to ensure both safety and efficiency in electrical installations.