Surge Protector Installation - Panasonic KX-NS1000 Installation Manual

4.2.11 Surge Protector Installation

Outside Installation
CO Line
If you install an extension outside of the building, the following precautions are recommended:
a.
Install the extension wire underground.
b.
Use a conduit to protect the wire.
Note
The surge protector for an extension is different from that for CO lines.
Installation of a Ground Rod
Surge Protector
CO Line
Grounding
Wire
(Underground)
126 Installation Manual
(Main Building)
Surge Protector
CO Line
Terminal
Board
Extn.
Extn.
Extn.
CO Line
SLT
PBX
Ground Rod
Extn.
PBX
Surge
Protector
Ground
Extn.: Extension Line
(Another Building)
SLT
Document Version 2016-03