The minimum diameter of galvanized pipe allowed for a grounding electrode is 3/4
This is further explained below.
Generally, An electrolyte, a semiconductor, or a vacuum are all examples of non-metallic circuit components that may be contacted by an electrode. Electrodes are electrical conductors that make contact with these components. In the context of an electrochemical cell, this component may alternatively be referred to as an anode or a cathode.
In conclusion, 3/4 of an inch is the smallest diameter of galvanized tubing that may be used as a grounding electrode.
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