Figure 8 - Recommendedl - Geokon 3400 Series Instruction Manual

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Improved protection using the LAB-3 can be had by placing the board in line with the cable as
close as possible to the installed piezometer (see Figure 8). This is the recommended method of
lightning protection.
Piezometer Cable
Ground Connection
To Terminal Box/Readout Equipment
Lightning Arrestor Board (LAB-3)
Ground Stake
(in special enclosure
accessible from surface)
Piezometer
Figure 8 - Recommended Lightning Protection Scheme