9037 which hanger/support detail controls this second-year hanger detail yellow 2 which hanger/support detail controls this run? this run has a support question. i checked the location and duct size. do you want trapeze, strap, rods, or another approved support detail here? second-year hanger detail: which hanger/support detail controls this?. i have the location and what i checked. who should verify before i keep going?