It is possible to consider in detail models here https://www.artstation.com/artwork/g2oWom

(Attention, the ready-made locations presented in the link above are not included in the pack.)

This switchboard has been designed specifically for Bunkers, Laboratories, and similar fixed structures, but if you are looking for something a little different, you may also be interested in my other switchboard kit, which was designed for Submarines, space ships and large ground transport https://www.unrealengine.com/marketplace/en-US/product/eb406ca5d8764509bbaa3b73e343ce53