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When the resistance to ground of a cathodic protection circuit is expected to change significantly: Question 5 options: A) #12 AWG shall be permitted for
When the resistance to ground of a cathodic protection circuit is expected to change significantly: Question 5 options: A) #12 AWG shall be permitted for reference electrode leads B) Selenium units should be used instead of silicon diodes C) Current controlled automatic rectifier units are used D) A manually controlled unit is used
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