U.S. code adoption
Missouri — energy & appliance code adoption
Not yet determined for Missouri.. This page summarizes electrical (NEC), appliance-listing (UL 858), fire-code, and energy-storage (UL 9540 / NFPA 855) code adoption for Missouri, with primary sources.
Is UL 858 required in Missouri?
Not yet determined for Missouri.
Are NRTL-listed (UL / ETL / CSA) appliances required in Missouri?
Missouri has no statewide electrical code, so listing requirements are set by local AHJs. Missouri has no statewide residential electrical code. Adoption varies by jurisdiction.
Which edition of the NEC does Missouri use?
Missouri has no statewide NEC adoption; the applicable edition of the National Electrical Code is set by local authorities having jurisdiction (AHJs).
Is UL 9540 required for residential energy storage in Missouri?
Not yet determined for Missouri. Missouri has no statewide building / fire code. Division of Fire Safety covers state buildings, daycares, boarding homes; municipalities (KCMO, STL, Springfield) adopt the IFC independently.
Is UL 9540A fire-propagation testing required in Missouri?
Not yet determined for Missouri.
What is the residential energy-storage capacity limit in Missouri?
Missouri has no jurisdiction-specific residential energy-storage capacity cap beyond the model-code default (typically 20 kWh per dwelling unit under IFC §1207 / NFPA 855).
Which fire code does Missouri enforce?
Missouri enforces other.
Code adoption summary
| NEC edition | No statewide adoption |
|---|---|
| Appliance listing (UL 858) | Unknown |
| NRTL listing requirement | No statewide code |
| Fire code | other |
| UL 9540 (residential ESS) | Unknown |
| UL 9540A propagation test | Unknown |
| Residential ESS cap | Model-code default |
Local authorities in Missouri
Sources