Galvanized steel clad copper concentric neutral wires have been in service several years. Interim results at a number of test sites have been reported. This paper updates the results from Medford, Wisconsin after four years of service and from Wall, South Dakota after three years of service. Potential measurements which give an indication of the condition of the clad neutral wires are reported. In the absence of galvanic effects from conventional cables the performance of the galvanized steel clad copper wires was excellent.

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