Original General Order 128
Section
IV
Requirements For Communication Systems
40.1 Construction Methods
Communication systems for public use constructed under these rules may consist of, but shall not be limited to, directly buried cables and conductors, cables and conductors installed in conduit, manholes and handholes, tunnels, or a combination of these elements. Open trenching, tunneling, boring, jacking and plowing, either singly or in combination, are among the recognized methods of installation of communication systems. Terminating and access points for lines and services may be above or below grade.