How to know when tandem breakers can be used

Both “hots” need protection from overcurrent, so we use a double-pole breaker that accepts two wires instead of one These breakers are larger

Double-pole breakers are double-wide breakers that take up two slots in the breaker box They have a toggle switch that's twice the length of

two slot shelving 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 toaster The two Breakers in one space are exactly what it says on the tin They are separate Breakers with separate trip I have never seen double stuff