Installing C.P. Components 8:3
CP 1 – Cathodic Protection Tester Course Manual
© NACE International, 2000
07/01/04
Types of Test Stations
Potential Measurement
Potential measurement test stations are used to monitor the effectiveness of
cathodic protection, check for stray current effects, and, on unprotected or
partially protected pipelines, to locate areas of active corrosion.
These test stations consist typically of two No. 12 AWG insulated wires,
thermite-welded to the pipe. The test station head may be mounted on a
post as shown in Figure 8.1 or it may be flush mounted as illustrated in
Figure 8.2
Test Box
Structure
Test Wires
Figure 8.1 Typical Post Mounted Potential Measurement Test Station
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