Panasonic KX-T206 Installation Manual page 15

Installation of Lightning Protectors
Outside
CO
Notice
If you install an extension outside of the main building, the following precautions are recom-
mended:
(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.
Installation of an Earth Rod
Lightning
Protector
CO
Grounding
Wire
(Underground)
Earth Rod
(Main Building)
Protectors
CO
CO
Terminal
Board
EXTN
EXTN EXTN
TEL TEL
(1) Installation location of the earth rod ...... Near the protector
(2) Check obstructions ................................ None
(3) Composition of the earth rod ................. Metal
(4) Depth of the earth rod ............................ More than 50 cm
Main
(5) Size of the grounding wire .................... Thickness is greater
Unit
Notes
• The above figures are recommendations only.
• The length of earth rod and the required depth depend on the
composition of the soil.
Main
EXTN
Unit
Lightning
Protector
Ground
(Another Building)
SLT
PT
(20 inches)
than 16 AWG
15