When power agency line poles are used, telephone lines and attachments
are usually strung
on the same level as power or electric light lines.
below the power or electric light lines.
above the power or electric light lines.
Minimum distance requirements separating
telephone lines are determined by the
type of insulator used on the telephone line crossarm.
height and type of pole line involved.
size of strand used in the power line.
voltage on the power line.
Construction crews usually avoid locating power and communication
vertical runs on the same pole.
However, when the plans call for
locating these circuits on the same pole, a power service vertical run
of 500 volts is installed
so that there is a separation of 4 inches between the runs.
in a wood molding directly over the through bolts.
in a fiber conduit 1 inch from the through bolts.
on the opposite side of the telephone line.
A telephone line terminal box on a joint use line pole is located so
that the cover can be raised without contacting the power or
electrical light circuit. The desired separation distance from these
circuits is 12 inches or more, but never less than