[Milsurplus] Edison/Tesla battle finally ends in NYC.

[Gene Smar]

AND, the nominal 48VDC used by telephone systems!


.... which are positive-ground systems to minimize galvanic corrosion of the steel racks (I had been told by a Bell System OT.)



Mac - K2GKK
USAF, Retired
Oklahoma City



.....73 de
Gene Smar  AD3F