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2.2 Installation of the Hybrid IP-PBX
52 Installation Manual
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
5. Cross sectional area of the earthing wire.....More than 1.3 mm
2
Notes
• The above figures are recommendations only.
• The length of earth rod and the required depth depend on the composition of the soil.