A Port Authority Stray
Found on the Bronx Community College Campus, this specialized Port Authority Electric stray may have some tangled inter-governmental story to tell. Or maybe not.
The design is a standard from the East Jordan Iron Works with the somewhat haphazard placement of letters typical of the Port Authority in the center
High Voltage usually means mains of about 5500 volts.
There are a number of PA E covers throughout the city, and a few Confined Space covers as well, but this is the only one that I have found with the two combined. On the campus of Bronx Community College, south of the Hall of Fame.