Mechanicals · definition
The breaker box distributing power to circuits. Capacity (e.g., 100 vs. 200 amp) and free breaker spaces decide what a remodel can add.
Source: ESFI — Your Home Electrical System
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.