Abnormal Over Voltage Test, GFCI Grounded Neutral Test, Supervisory Circuit, Retractable GFCIs for use in a Kitchen Counter Top, Annex A, Reference Standards, Formula for Maximum Current for High Resistance Ground Fault Test, Test Description for Extra Low Resistance Ground Faults Test, GFCI Self-Test and Power Denial, and Scope Revision to Add Counter Mounted GFCIs