An electrical panel, also known as a load center, service panel, breaker box or breaker panel, is a steel box that holds multiple circuit breakers wired to circuits that distribute power throughout your home.
How do I identify the electrical capacity or size of my electrical panel?
30-amp fuse panels usually have round 15-amp or 20-amp fuses on both hot and neutral conductors, and sometimes a separate main fuse switch while 60-amp fuse panel and some 100-amp panels often have a single or a pair of BakeliteTM fuse holders, one marked "main," the other marked "range."
What are the different types of electrical panels?
The different types of breaker panels are: Main Breaker Panel; Main Lug Panel; Sub-Panel; and Transfer Switches.