U.S. code adoption
New Jersey — 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 New Jersey, with primary sources.
Is UL 858 required in New Jersey?
Yes — effectively. New Jersey 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 New Jersey?
Yes. New Jersey'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 New Jersey use?
New Jersey has adopted the 2020 edition of the National Electrical Code (NEC), effective 2022-09-06. Adopted as the NJ UCC Electrical Subcode by the Department of Community Affairs. UCC subcodes are uniform statewide; municipalities may not amend them.
Is UL 9540 required for residential energy storage in New Jersey?
Yes. New Jersey's adopted code requires UL 9540 listing for stationary energy storage systems (ESS) in dwellings. NJ Uniform Construction Code is statewide with no local opt-out; Division of Fire Safety enforces a uniform NJ Fire Code (N.J.A.C. 5:70) based on the IFC.
Is UL 9540A fire-propagation testing required in New Jersey?
Yes — effectively. New Jersey requires NRTL listing for energy storage systems, and UL 9540A is the controlling standard.
What is the residential energy-storage capacity limit in New Jersey?
New Jersey limits residential energy storage to 20 kWh per dwelling unit.
Which fire code does New Jersey enforce?
New Jersey enforces IFC.
Code adoption summary
| NEC edition | 2020 NEC |
|---|---|
| Appliance listing (UL 858) | Effectively required |
| NRTL listing requirement | Required |
| Fire code | IFC |
| IRC edition | 2021 IRC |
| UL 9540 (residential ESS) | Required |
| UL 9540A propagation test | Effectively required |
| Residential ESS cap | 20 kWh / dwelling |
| NFPA 855 edition | 2020 |
Sources
- NFPA — NEC enforcement maps
- NJ DCA — Current Construction Codes
- N.J.A.C. 5:23 Uniform Construction Code
- NJ Division of Fire Safety
- DSIRE Insight — Plug-In Legislation
- New Jersey Legislature — A 4920