AL Pipelines Practice Questions - Alabama Pipelines Contractor Examination Exam

Why is tracer wire installed with buried plastic gas main and service lines?

Plastic pipe is not detectable by electromagnetic locators, so the wire provides a locatable conductor The wire carries cathodic protection current to the plastic pipe The wire provides mechanical strength to the pipe The wire allows the gas to be shut off remotely

Correct Answer:

Plastic pipe is not detectable by electromagnetic locators, so the wire provides a locatable conductor

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