2-36
Installation
2.4.3
Lightning Protector Installation
(Main Building)
CO
(Another Building)
CO
CO
Main
Distribution
Frame
Main
Unit
Protectors
EXTN
TEL
TEL
EXTN
SLT
PT
EXTN
Lightning
Protector
EXTN
Earth
Outside Installation Diagram
If you install an extension outside of the main building, the
following precautions are recommended:
(1) Install the extension wire underground.
(2) Use a conduit to protect the wire.
Note
The lightning protector for an extension is different from that for CO.