Most recent

UL 1242 Ed. 5-2025

Electrical Intermediate Metal Conduit - Steel - Published Date: November 03, 2025

1.1 These requirements cover steel electrical intermediate metal conduit (IMC), nipples, elbows, and couplings. This conduit is provided in trade sizes 1/2 – 6 (63 – 155), for use as a metal raceway for the installation of wires and cables in accordance with the NFPA 70®, National Electrical Code® (NEC®). The values in parentheses are metric designators of conduit.  NFPA 70®, National Electrical Code®, and NEC® are registered trademarks of the National Fire Protection Association, Quincy, MA.  1.2 Steel intermediate metal conduit is provided both internally and externally with an acceptable level of corrosion resistance in normally corrosive environments. Reference 1 for details regarding protective coatings.

CONTENT PROVIDER
Underwriters Laboratories [ul]

Included in Packages
This standard is not included in any packages.
Document History
Amendments & Corrections
We have no amendments or corrections for this standard.