2.2 Installing the Advanced Hybrid System
Installation Manual
35
Outside Installation
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 an outside (CO) line.
Installation of a Ground Rod
1.
Connect the ground rod to the surge protector using a grounding wire with a cross-sectional area
of at least 16 AWG.
SLT
PT
(Main Building)
Outside
(CO) Line
Outside (CO) Line
Extn.
Extn.
Extn.: Extension Line
Ground
(Another Building)
Extn.
Extn.
Surge Protector
Terminal
Board
Surge
Protector
SLT
PT
PBX
Surge
Protector
Outside
(CO) Line
Grounding Wire
(Underground)
Ground Rod
PBX
Summary of Contents for KX-TA824
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Page 78: ...3 2 Connection 78 Installation Manual ...
Page 85: ...Installation Manual 85 Index ...