FAA-C-1391B, FEDERAL AVIATION ADMINISTRATION SPECIFICATION: INSTALLATION AND SPLICING OF UNDERGROUND CABLES (25-JAN-1991)
FAA-C-1391B, FEDERAL AVIATION ADMINISTRATION SPECIFICATION: INSTALLATION AND SPLICING OF UNDERGROUND CABLES (25-JAN-1991)., This specification covers minimum requirements for installation of electrical cables directly buried in the earth or installed in underground duct or conduit. It includes trenching, installation, splicing, or other joining of cables, and testing of cables for acceptability.