Why don't the HOMT tandem breakers fit into all Homeline load

Yes this is a tandem breaker It's designed to be used when you start running out space in your breaker box I would recommend an electrician as

So for your 240v circuits, 2 vertically adjacent breakers with a linked handle are used The breakers have to be linked, otherwise opening the

two slot toaster Each slot on a breaker panel can hold one, single-pole 120 volt circuit A 220 volt circuit will be double-pole and take up two slots Tandem circuit breakers

two slot Blanking Plug for one Versa-Slot position PROVIDING SOLUTIONS SINCE 1922 1 Breaker Included • 1 Copper Adaptor Included Adaptor