Not enough space for circuit breakers -

Use one load center space with single-pole breakers and two spaces with 2-pole breakers Complete the project: use with Square D circuit breaker accessories

As for the one receptacle that is on two single-pole breakers, it is okay as long as the breakers are installed adjacently by their length (in

two slot shelving 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

two slot A tandem CB only requires one slot but would still count as two poles rmeier2: Maximum Number of Overcurrent Devices A panelboard