Derating Calculator !!top!! -
7 total conductors (you + 6 others) → factor of 0.70 (from NEC Table 310.15(C)(1)).
For 50°C ambient with 90°C wire: Many tables show a factor of 0.80 . derating calculator
Run components at 60-80% of their maximum rating for 100% reliability. 7 total conductors (you + 6 others) → factor of 0