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ANSI/CAN/UL
ANSI/CAN/UL/ULC
CAN/UL
ALL UL STDS for CANADA
1.1 These requirements cover steel electrical intermediate metal conduit (IMC), nipples, elbows, and couplings. This conduit is provided in trade sizes 1/2 – 4 (16 – 103), for use as a metal raceway for the installation of wires and cables in accordance with the National Electrical Code (NEC), NFPA 70. The values in parentheses are metric designators of conduit.
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.
This revision to ANSI/UL 1242 dated April 18, 2022 includes the following:
– Reference to Table of Minimum acceptable dimensions of elbows; 14.1.1 and 14.2.1
– Editorial updates; 18.2.1 and 21.7
RevisionsRed Line Std. (10)
CSDS Proposals (10)
CSDS Proposals
An electronic document associated with a UL Standard for Safety or Outline of Investigation, and issued by UL to propose:
UL LLC CRD (1)
Other Updates (0)
Referenced Standards (4)
Reverse Referenced Standards (1)
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