Filter
Top Products
2.3 Connection
General Installation
67
Outside Installation Diagram
If you install an extension outside of the main building, the following precautions are
recommended:
a) Install the extension wire underground.
b) Use a conduit to protect the wire.
Note
The lighting protector for an extension is different from that for outside line.
(Main Building)
CO
(Another Building)
CO
CO
Ter-
minal
Board
Main
Unit
Protectors
EXTN
TELTEL
EXTN
SLT
PT
EXTN
Lightning
Protector
EXTN
Ground