RE: 600VDC and 802.11?

That would be more of a propagation problem.

I'm assuming what he wants is near-field problems, like having the gear in the EM field of the of the wiring, and not the path between the antennas...

600VDC/300A? Running Frankenstiens Lab?

James H. Smith II NNCSE NNCDS
Senior Systems Engineer
First Call Response Center
The Presidio Corporation