1.
Connect the earth rod to the surge protector using an earthing wire with a cross-sectional area of at least
1.3 mm
2
.
2.
Bury the earth rod near the protector. The earthing wire should be as short as possible.
3.
The earthing wire should run straight to the earth rod. Do not run the wire around other objects.
4.
Bury the earth rod at least 50 cm underground.
Note
•
The above figures are recommendations only.
•
The length of earth rod and the required depth depend on the composition of the soil.
Installation Manual
117
4.2.11 Surge Protector Installation
Summary of Contents for KX-NS500
Page 16: ...16 Installation Manual Table of Contents ...
Page 28: ...28 Installation Manual 1 4 Data Security ...
Page 58: ...58 Installation Manual 2 3 3 System Capacity ...
Page 78: ...78 Installation Manual 3 1 3 Using CTI Applications ...
Page 114: ...4 Hook the main unit on the screw heads 114 Installation Manual 4 2 10 Wall Mounting ...
Page 286: ...286 Installation Manual 6 1 Methods of Stacking Expansion Units ...
Page 300: ...300 Installation Manual 7 1 6 Troubleshooting by Error Log ...
Page 332: ...332 Installation Manual 8 6 Port Security ...
Page 337: ...Installation Manual 337 Notes ...