Mechanicals · definition
Ground-Fault Circuit Interrupter — cuts power on a small leakage current near water. Code-required at kitchens, baths, garages, exteriors, and more.
Source: ESFI — Ground Fault Circuit Interrupters (GFCI)
Where this term lands on a Columbus budget
The cost pages carry the current local ranges, and the guides explain what moves them. A published range becomes a project number only after someone looks at the site.