{
  "id": "quantities:body-voltage",
  "collection": "quantities",
  "slug": "body-voltage",
  "name": "Body voltage",
  "summary": "Millivolts induced on a person by nearby power-frequency electric fields, measured against a ground reference; the metric building biologists use to judge bedroom wiring.",
  "status": "verified",
  "lastVerified": "2026-08-12",
  "data": {
    "aliases": [
      "body voltage measurement",
      "mV body voltage"
    ],
    "quantityId": "body-voltage",
    "symbol": "U",
    "siUnit": "V",
    "units": [
      {
        "symbol": "V",
        "name": "volt",
        "toBase": 1
      },
      {
        "symbol": "mV",
        "name": "millivolt",
        "toBase": 0.001
      }
    ],
    "measures": "Capacitive coupling between household wiring and the body. It is a proxy for the local AC electric field and depends strongly on grounding method, so readings are only comparable when the protocol is identical.",
    "related": [
      "limits:sbm-2024-electric-bands",
      "protocols:body-voltage-survey"
    ]
  },
  "sources": [
    {
      "id": "sbm-2024",
      "title": "Building Biology Evaluation Guidelines for Sleeping Areas (SBM-2024)",
      "publisher": "Institut für Baubiologie + Nachhaltigkeit (IBN)",
      "url": "https://buildingbiology.com/site/downloads/SBM-2024_EVALUATION_GUIDELINES_EN.pdf",
      "year": 2024,
      "kind": "ngo",
      "retrieved": "2026-08-12"
    }
  ],
  "links": {
    "self": "https://emfbase.com/api/quantities/body-voltage",
    "html": "https://emfbase.com/quantities/body-voltage",
    "markdown": "https://emfbase.com/quantities/body-voltage.md",
    "collection": "https://emfbase.com/api/quantities"
  }
}