usable space
Defined in 2 dictionaries — Case Law, U.S. Code
Definitions from Case Law
United States Supreme Court
the space above the minimum grade level which can be used for the attachment of wires, cables, and associated equipment.
Defined by the Supreme Court in National Cable Telecommunications Association Inc v. Gulf Power Company, 534 U.S. 327 (2002).
United States Code
47 U.S.C. § 224 — as used in this section
As used in this subsection, the term “usable space” means the space above the minimum grade level which can be used for the attachment of wires, cables, and associated equipment.