{
  "title": "Relay and industrial control data for AI rating-field scope",
  "source_page": "https://fiund.com/industries/relay-control-rating-field-scope-data",
  "authorship": "Original fictional Fiund editorial exercise. No actual operating records or third-party source assets are included.",
  "example": {
    "title": "The control-side field is not a contact rating",
    "context": "Original mock relay cards use neutral class codes only. No real electrical values appear.",
    "records": [
      [
        "1",
        "Request",
        "Relay R4 with control class C2 and contact class K3."
      ],
      [
        "2",
        "Variant A",
        "R4, control C2, contacts K1."
      ],
      [
        "3",
        "Variant B",
        "R4, control C4, contacts K3."
      ]
    ],
    "question": "Which variant satisfies both roles?",
    "answer": "Neither. A satisfies the control requirement but has K1 contacts. B satisfies the contact requirement but has C4 control. Records 1–3 call for the two role-specific fields on the same variant; combining one from each would invent a configuration.",
    "failureModes": [
      "Treating a class token as independent of role",
      "Mixing the control field and contact field from different items"
    ],
    "fields": [
      [
        "control_class",
        "Records the input-side requirement"
      ],
      [
        "contact_class",
        "Records the switched-side field"
      ],
      [
        "variant_key",
        "Keeps both fields tied to one product"
      ]
    ],
    "holdout": "Give a variant with two independent contact groups; require the requested group label before matching its class.",
    "boundary": "No actual ratings, wiring, relay selection or operation advice."
  }
}