
Universal
As buildings get more complex, the National Electric Code® (NFPA 70) places more restrictions on more wiring methods — but steel conduit is still allowed everywhere.
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The Steel Tube Institute is the authoritative resource for Steel Conduit and Stainless Steel Conduit, for electrical applications, and Hollow Structural Sections (HSS) for structural steel applications. Through the collective strength of our members, we advance manufacturing excellence and provide trusted technical resources that educate specifiers and designers on the performance, durability, and versatility of steel tube products.

































130 E Randolph St, Suite 2000 #10, Chicago, Illinois 60601, United States of America