Sec. 9-108. Add-On SMA Secure Power Supply Module Not Approved for Installation
Codified through Bill No. CB-018-2026, adopted May 12, 2026, effective July 24, 2026. Source: Municode, Supplement 2026 Update 2. Editorial notes and legislative history omitted.
Prince George's County, Md., Code § 9-108 (2026)
Sec. 9-108. Add-On SMA Secure Power Supply Module Not Approved for InstallationLinkCopy Citation
(a)
The following amendments, addition, and/or deletion are made to National Electrical Code article 110.3, 110.3(B).
(1)
The use of the Non-UL listed SMA and any other manufacturer Power Supply/PV Inverters is NOT approved for installation in Prince George's County. This determination has been made after working with Underwriters Laboratories (UL). Until acceptable evidence that overcurrent protection of the circuit is provided, as required by UL 1741 and UL1699B, Section 30.3, as well as with articles of NFPA 70, including Article 110.3(B).