Inverters and power control in Maryland
Which codes apply? In Maryland, inverters and power control systems fall under the 2017 NEC and the 2021 residential IECC.
Codes that reach inverters and power control systems
The edition Maryland enforces for each code that governs the product, and the part of the code that does.
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NECNational Electrical CodeThe Maryland NEC record2017 NECPartial
Statewide, with exceptions
Where it reaches the product. Article 705, interconnected power sources, with 690 and 706 for the source and the listing the inverter must carry.
COMAR 29.06.01 (State Fire Prevention Code); COMAR 09.12.50.02-1B (Model Performance Code)
The 2023 NEC is in development.
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IECC residentialInternational Energy Conservation Code, residentialThe Maryland IECC residential record2021 IECCVerified
in force since May 29, 2023
Where it reaches the product. Where a state adopts the solar-ready or storage-ready appendix, the space and the conduit the inverter needs.
Maryland Building Performance Standards · COMAR 09.12.51.02, .04; Public Safety Article 12-503
Maryland laws that name inverters and power control systems
Statutes, rules, and commission orders are tracked state by state.
No Maryland law or rule on the site names inverters and power control systems. The product page shows the states that have one.
For information only. Your local building or fire official decides which code applies. We check state records often but can miss a recent change, so confirm with your official before you design, permit, or install. Terms of use