{
  "iso": "US",
  "name": "United States",
  "region": "北美",
  "mark": "UL / ETL + FCC",
  "obligation": "市场准入",
  "scheme": "NRTL certification plus FCC authorisation or self-declaration",
  "cb_conversion": "不接受 CB 直接转证",
  "lead_weeks": "6–14 周",
  "local_requirements": "Some states and fire authorities require UL 9540A test data",
  "regulations": [
    {
      "ref_no": "UL 1973:2022",
      "slug": "ul-1973"
    },
    {
      "ref_no": "UL 2743:2025",
      "slug": "ul-2743"
    },
    {
      "ref_no": "UL 9540:2023",
      "slug": "ul-9540"
    }
  ],
  "source_url": "https://www.fcc.gov/engineering-technology/laboratory-division/general/equipment-authorization",
  "verified_at": "2026-08-19",
  "version": 1,
  "urls": {
    "html": "/en/markets/us",
    "markdown": "/en/markets/us.md"
  }
}