IEEE C62.1-1989 pdf free.IEEE Standard for Gapped Silicon-Carbide Surge Arresters for AC Power Circuits. Abstract: IEEE C62.1-1989, IEEE Standard for Gapped Silicon-Carbide Surge Arresters for AC Power Systems, describes the service conditions, classifications and voltage ratings, design tests with corresponding performance characteristics, conformance tests, and certification test procedures for station, intermediate, distribution and secondary class arresters. Terminal connections, housing leakage...