Purchase the load center and ground bar below:
Purchase the QO load center QO2L30S series below:
https://www.amazon.com/gp/product/B00R8MV65G/ref=as_li_qf_asin_il_tl?ie=UTF8&tag=mopar4life-20&creative=9325&linkCode=as2&creativeASIN=B00R8MV65G&linkId=b4f6c74fab51f318a6487f6a17ea9c1c
Purchase Ground Bar comes separately from load center PK3GTA-1:
https://www.amazon.com/gp/product/B00002NB4G/ref=as_li_qf_asin_il_tl?ie=UTF8&tag=mopar4life-20&creative=9325&linkCode=as2&creativeASIN=B00002NB4G&linkId=d16dc5475ad8e0f1e3c707341f46ad57
I am not a professional nor do i claim to be but this is how i wired my 30 amp sub panel. I hope it helps anyone who was just curious to understand. Feel free to ask me any questions as I may be able to help you save some some money!
