Putting LED strip lights on the backs of shelves in a three section book case

I am putting lights on the backs of shelves in a three section book case. There are a total of 4 shelves on each section and a section in the middle with one shelf to light. The tape light I choose is 3000 K. The shelves each are all 30 inches with the exception of the one in the middle being 40 inches. Total length of lighting needed is 24 ft. There is about 18 in of jumpers needed between the shelves.

Would you recommend two 12 volt power supplies in 2 parallel 16 ft runs, or one 24 volt power supply in one 24 ft run wired in series?

Generally speaking, our LED strip lights are limited to 16.4 ft per run due to power supply and/or maximum run length constraints. For your installation of 24 ft, you will likely want to install two separate LED runs​, while ensuring that neither run exceeds 16.4 ft.​

Below is a link to one of our layout diagrams which you may find useful in determining the configuration and components needed for this setup:​https://www.waveformlighting.com/layoutmaps/3001_1B

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