Full size breakers vs tandem breakers? - Page 2

I have one of these thin dual circuit breakers Can I only two breakers in one slot Not all panels will accept a twin A twin being a standard 1 width breaker with two handles You need to read the specs on the two slot toaster In residential homes, the 1-inch breakers usually used are single-pole breakers that take up one slot on the panel Double-pole breakers are

two slot shelving For those not familiar with the terminology, a tandem breaker fits two breakers into one slot, but it still uses only one pole on the panel bus