code: def makeductbranch(idf, bname):
      
      # make the duct component first
      pname = "%s_duct" % (bname,)
      aduct = makeductcomponent(idf, pname)
      # now make the branch with the duct in it
      abranch = idf.newidfobject("BRANCH", Name=bname)
      abranch.Component_1_Object_Type = 'duct'
      abranch.Component_1_Name = pname
      abranch.Component_1_Inlet_Node_Name = aduct.Inlet_Node_Name
      abranch.Component_1_Outlet_Node_Name = aduct.Outlet_Node_Name
      abranch.Component_1_Branch_Control_Type = "Bypass"
      return abranch
docs: make a branch with a duct
      use standard inlet outlet names