What is the minimum ventilated cable inside tray width reuired for the following combination of conductors. 20 – 1000 KCMIL-XHHW-compact aluminum, 30 – 250 KCMIL-XHHW-compact aluminum.

What is the minimum ventilated cable inside tray width reuired for the following combination of conductors. 20 – 1000 KCMIL-XHHW-compact aluminum, 30 – 250 KCMIL-XHHW-compact aluminum.