Shielded cable run exposed to a piece of radiology equipment from the main panel within the room.

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mshields

mshields

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Boston, MA
I have a somewhat unusual requirement where by I am running a 30A 480V feeder to Box in a radiology room. The cabling to that box will be “run of the mill”, THHN/THWN in conduit. But from the box to the equipment, a run of cable that is no more than 10 feet, I need shielded conductors and I need them to be rated to be run exposed.

If they weren’t shielded e.g. I would specify SO cable as we sometimes do with branch circuit connectors to receptacles dangling from a ceiling.

The circuit is, as I mentioned 30A but we will need to use #6’s AND there will be no neutral and the ground needs to be equal in size (#6AWG)

I’m envisioning 4 separate cables but a cable assembly might be workable. Any suggestions.
 
One thought would be to use a shielded VFD cable. The kind you'd run from an inverter to a motor. Braided shield surrounding 3 hots and a ground. Certainly available in #6.
 
Why isn't this cable furnished or at least specified in the manufacturers engineered drawings?

Roger
 
Does the equipment have to be moved around relatively frequently or is it fixed in place? If the equipment moves around then the cable should have finely stranded conductors such as the SO cable you mentioned does.
 
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