No more room in electrical panel, now what?

One of the beautiful things about circuit breakers is that their size is standardized, so any breaker will fit in a standard breaker slot A

Tandem breakers are only allowed in number and slots that they are aproved for Most 40 slot panels are only approved for 40 poles I am looking

two slot shelving Save on tandem twin circuit breakers Free shipping on orders over $49 Easy returns 1 year warranty

two slot slot This key will unlock a series of other key slots , each containing one breakers so that they cannot be opened until after the oil circuit breaker