Ground Fault Circuit Interrupters: What if GFCIs Did Not Exist?
Ground Fault Circuit Interrupters: What if GFCIs Did Not Exist? Download Attachment What is a GFCI? Ground Fault Circuit Interrupters (GFCI) were first introduced in the bathrooms of homes as required by the 1975 edition of the National Electrical Code. Prior to 1975, only outdoor receptacles and receptacles near swimming pools require GFCI protection. Since […]