U.S. code adoption
Wyoming — energy & appliance code adoption
Yes — effectively. This page summarizes electrical (NEC), appliance-listing (UL 858), fire-code, and energy-storage (UL 9540 / NFPA 855) code adoption for Wyoming, with primary sources.
Is UL 858 required in Wyoming?
Yes — effectively. Wyoming requires fixed household appliances to be listed by a Nationally Recognized Testing Laboratory (NRTL), and UL 858 is the de-facto listing standard a household electric range must meet.
Are NRTL-listed (UL / ETL / CSA) appliances required in Wyoming?
Yes. Wyoming's adopted code requires fixed electrical appliances to be listed by an NRTL (UL, ETL/Intertek, CSA, etc.) — NEC 110.3.
Which edition of the NEC does Wyoming use?
Wyoming has adopted the 2017 edition of the National Electrical Code (NEC).
Which fire code does Wyoming enforce?
Wyoming enforces other.
Code adoption summary
| NEC edition | 2017 NEC |
|---|---|
| Appliance listing (UL 858) | Effectively required |
| NRTL listing requirement | Required |
| Fire code | other |
Sources
Data is illustrative. Verify any compliance decision against the cited primary sources and the NFPA NEC enforcement maps before relying on it.