Are Tandem Breakers Safe?

Full size breakers vs tandem breakers? - Page 2 two breakers in one slot They are two breakers together that only take up one slot in the breaker box They are for 110 volts only, as they share the same leg of the two slot one energized wire and supplies 120V to a circuit They're generally rated 15 or 20 amps, occupy one slot on a breaker panel, and are the most common breakers

two breakers in one slot The Square D by Schneider Electric Homeline Single-Pole Tandem Circuit Breaker consists of single-pole, 20 Amp breakers in 1 pole space