{
  "rows": [
    {
      "fact_id": "gfci-cpsc-model-life",
      "type": "Residential GFCI \u2014 historical CPSC analytical input",
      "measure": "historical useful-life assumption",
      "value": "40",
      "unit": "years",
      "area": "US",
      "data_years": "1982",
      "source": "CPSC",
      "url": "https://www.cpsc.gov/s3fs-public/ecgfci.pdf",
      "read": "2026-11-05",
      "n": "not published by the source",
      "se_points": ""
    }
  ]
}