The most common sub-panels in a garage are 60-amp and 100-amp. Sub-panels generally do not have a main breaker in them; the main breaker for the sub-panel is in the main panel box. If you want your ...

Other cost factors that can drive the price are the panel amperage rating, number of circuits, type of breakers, and permits.

Panels have limited space for breakers. The NEC allows up to 42 in a 100-amp panel, but most panels are smaller and can only ...