it is against code for romex to be in contact with T-Bar ceiling,
also, by code, i believe those wires need to go THROUGH the beams, they can not hang below the beam, or be fastened to the bottom of the beams, but im not 100% sure on that one
also, by code, i believe those wires need to go THROUGH the beams, they can not hang below the beam, or be fastened to the bottom of the beams, but im not 100% sure on that one