Home Circuit Posted June 24, 2007 Circuit Share URL Copied to Clipboard https://ingaa.org/glossary/circuit/ « Back to Glossary Index A conductor or a system of conductors through which electric current flows. Related Articles: Glossary: OhmGlossary: Operating Procedures (contingency)Glossary: SurgeGlossary: Switching StationGlossary: Tie Line« Back to Glossary Index Related Fact Sheets Safety Pivoting to Support a Net-Zero Future – IMCI Program February 21, 2023