A circuit breaker from Square D that combines a CAFI and GFCI into one breaker. ... most wall sockets will have 15- or 20-amp breakers, while large appliances like dryers may have larger ones.

Tandem breakers split a single-pole breaker slot into two 15—or 20-amp breakers, with two switches each controlling a separate circuit. They free up space in overcrowded electrical panels, ...

Appropriate for a two-pole 20-amp breaker or a single-pole 30-amp breaker. 8-gauge or 6-gauge wire Used for 40-, 50- and 60-amp two-pole breakers; large appliances.