Which type of medical x-ray equipment does not require an individual branch circuit?

In the context of medical x-ray equipment, the preference for branch circuits greatly depends on the equipment type and its power requirements. Fixed medical x-ray equipment typically requires dedicated circuits due to their high and constant power demands. This ensures that they remain operational without the risk of circuit overloads or interferences from other electrical devices.

Portable x-ray equipment, on the other hand, is designed for flexibility and often operates from standard outlets, which may not necessitate a dedicated circuit in all cases. This equipment can be plugged into existing circuits depending on the wattage and the specific voltage requirements.

Transportable equipment also aligns closely with the designs that allow flexibility for movement and usage across various locations within a facility. Like portable equipment, it can often use standard outlets, thus not requiring an individual branch circuit.

All types of hardware you've identified can, under certain circumstances, be used without a dedicated branch circuit. However, the specifics would depend on the local electrical code and the configuration of the medical facility’s electrical system. Your understanding that all these types can potentially operate without needing an individual branch circuit reflects the understanding that not all situations demand stringent circuit isolation, especially with advancements in the design of medical x-ray technology.