Be sure to provide proper and adequate support for the duct system according to ____.
A) installation instructions
B) local building codes
C) state building rules
D) environmental regulations

Question

Quizplus · Accepted Answer

Local building codes dictate the proper and adequate support for the duct system. State building rules and environmental regulations may have some impact, but local building codes are the primary authority on this matter. Installation instructions may also provide guidance, but they should be in line with local building codes.

Be Sure to Provide Proper and Adequate Support for the Duct