Course curriculum

  • 1
    Ground-Fault Circuit Interrupter (GFCI)
    • GFCI Ground Fault Circuit Interrupter
    • Copyright Information
    • What is GFCI?
    • What is Ground-Fault?
    • How does a GFCI outlet work?
    • How does a GFCI outlet work?
    • GFCI Requirements
    • GFCI Requirements
    • Testing the GFCI
    • Tests for Electrical Equipment
    • When should GFCIs be tested
    • GFCI Quiz