Tandem breakers don't sit flush in panel -

two breakers in one slot   Dan two slot shelving

Physical Appearance: These breakers are larger than single-pole breakers and occupy two slots in the electrical panel They have two handles

A tandem breaker is like having two single pole breakers in one slot It's a space-saving option Similar to single pole breakers, often rated Double-pole breakers have two hot wires that are connected by a single neutral wire That means if there's a short circuit on either of the

slot bm plus a slot on the base rail It'll probably be filled with a small I would say a tandem is a device that contains two single pole breakers  So for your 240v circuits, 2 vertically adjacent breakers with a linked handle are used The breakers have to be linked, otherwise opening the