when installing a large number of conduits in a metal building, which is the preferred method of…

when installing a large number of conduits in a metal building, which is the preferred method of support?\nstrut - type systems\ntie - wraps around beams\ndrilling into beams and purlins\none - hole straps
Answer
Brief Explanations:
Strut - type systems are preferred for supporting a large number of conduits in a metal building as they offer strong, adjustable, and organized support. Tie - wraps may not be as sturdy for a large quantity, drilling can damage the structure, and one - hole straps may not be sufficient for multiple conduits.
Answer:
A. strut - type systems