{
  "schemaVersion": 1,
  "edition": "NEC 2023 (NFPA 70)",
  "localAmendments": "excluded by owner instruction on 2026-09-13",
  "reviewedOn": "2026-09-13",
  "registerVersion": "2026-09-13.1",
  "dataFingerprint": "c2eea53e9250ff9d590b949f3958615dd63e9b0c5d08f92a748b28aa5470cd65",
  "sourceComparison": {
    "status": "supported rules and numeric cells compared with owner-supplied NEC 2023 excerpts",
    "printing": "not specified in supplied excerpts; this is not authentication of a complete printed publication",
    "locator": "docs/audits/2026-09-12-public-conductor-size-nec-review.md",
    "fixtures": [
      {
        "path": "tools/calc-conductor-review-test.cjs",
        "sha256": "044218cd72d317bb60c25c9151546094361701101ce36511b7df54a80ac8ffce"
      }
    ]
  },
  "correctionScreening": {
    "status": "all issued TIA and errata entries shown for NEC 2023 on the official edition page were retrieved and screened for this model as of the review date",
    "editionIndex": "https://www.nfpa.org/codes-and-standards/nfpa-70-standard-development/70",
    "method": "Select 2023; expand the TIA and Errata lists; retrieve the linked PDFs and review affected sections against the supported scope.",
    "counts": {
      "TIAs": 20,
      "errata": 10
    },
    "conclusion": "No change identified to supported numerical rules or table cells. Installation-specific effects remain unresolved checks. Future notices require a new review.",
    "notices": [
      {
        "title": "TIA 23-1, Reference: 250.114(3)e and 250.114(4)e",
        "issued": "08-Dec-2021",
        "url": "https://docinfofiles.nfpa.org/files/AboutTheCodes/70/TIA_70_23_1.pdf",
        "sha256": "7f4597a0988eca554b166b0695dcdfddf27a98a0b631aed599c90af4bec46252",
        "id": "TIA 23-1",
        "disposition": "Cord-and-plug equipment grounding applicability is not evaluated; EGC numerical sizing is unchanged.",
        "reviewStatus": "screened-no-change-to-supported-numerical-rules"
      },
      {
        "title": "TIA 23-2, Reference: Article 100 (Ignitible Fibers/Flyings), 506.5, and 506.9(B)",
        "issued": "12-Apr-2022",
        "url": "https://docinfofiles.nfpa.org/files/AboutTheCodes/70/TIA_70_23_2.pdf",
        "sha256": "91bd46c68d7db79b20e29c3a815dcf4f048e595b0b3aced43b51e68bb2f0ce75",
        "id": "TIA 23-2",
        "disposition": "Hazardous-location classifications are outside the general-purpose sizing model.",
        "reviewStatus": "screened-no-change-to-supported-numerical-rules"
      },
      {
        "title": "TIA 23-3, Reference: 210.8(F) and Exception No. 2(new)",
        "issued": "12-Aug-2022",
        "url": "https://docinfofiles.nfpa.org/files/AboutTheCodes/70/TIA_70_23_3.pdf",
        "sha256": "f3e0a7838e89b29e627c9211dff2a8a143bbb6f6fe7622282713c27ccfa34c4d",
        "id": "TIA 23-3",
        "disposition": "Outdoor-outlet GFCI applicability is not evaluated. The HVAC exception in this notice expired September 1, 2026; no exception is assumed here.",
        "reviewStatus": "screened-no-change-to-supported-numerical-rules"
      },
      {
        "title": "TIA 23-4, Reference: 215.15",
        "issued": "12-Aug-2022",
        "url": "https://docinfofiles.nfpa.org/files/AboutTheCodes/70/TIA_70_23_4.pdf",
        "sha256": "d2c18c69078fe842f7202ef8d5cd6b4535bd51830f9b969d357a66c29f80ab4f",
        "id": "TIA 23-4",
        "disposition": "Tap/transformer-secondary equipment barriers are outside the model; tap sizing is excluded.",
        "reviewStatus": "screened-no-change-to-supported-numerical-rules"
      },
      {
        "title": "TIA 23-5, Reference: 555.30",
        "issued": "12-Aug-2022",
        "url": "https://docinfofiles.nfpa.org/files/AboutTheCodes/70/TIA_70_23_5.pdf",
        "sha256": "7e78837a0be3f380af833c441735ba73632f2787aca6ad342b22f30d3b13c999",
        "id": "TIA 23-5",
        "disposition": "Marina equipment placement and connection requirements are outside the model.",
        "reviewStatus": "screened-no-change-to-supported-numerical-rules"
      },
      {
        "title": "TIA 23-6, Reference: 555.35",
        "issued": "12-Aug-2022",
        "url": "https://docinfofiles.nfpa.org/files/AboutTheCodes/70/TIA_70_23_6.pdf",
        "sha256": "dae598f4fc8f254f639f79198097ef7e0d469084591abcfd89b0963d01cc8584",
        "id": "TIA 23-6",
        "disposition": "Marina ground-fault protection is outside the model.",
        "reviewStatus": "screened-no-change-to-supported-numerical-rules"
      },
      {
        "title": "TIA 23-7, Reference: Table C.18, Table C.19 and Table C.20",
        "issued": "08-Dec-2022",
        "url": "https://docinfofiles.nfpa.org/files/AboutTheCodes/70/TIA_70_23_7.pdf",
        "sha256": "04ae2e209379604d4f63e5fcf7187ed0140fa2ef34c8b5dcfbc3a9a0fadedefd",
        "id": "TIA 23-7",
        "disposition": "Cable-tray fill headers are outside the raceway model; no fill calculation is supplied.",
        "reviewStatus": "screened-no-change-to-supported-numerical-rules"
      },
      {
        "title": "TIA 23-8, Reference: 300.26",
        "issued": "21-Mar-2023",
        "url": "https://docinfofiles.nfpa.org/files/AboutTheCodes/70/TIA_70_23_8.pdf",
        "sha256": "5988bcc45f133427ad10e02dba60f03d6169aa681776fc4d91a3c41c2a3279f7",
        "id": "TIA 23-8",
        "disposition": "Remote-control/signaling classification and special small-conductor rules are outside the general-purpose power-circuit model.",
        "reviewStatus": "screened-no-change-to-supported-numerical-rules"
      },
      {
        "title": "TIA 23-9, Reference: Definition of Pool and 680.26",
        "issued": "21-Mar-2023",
        "url": "https://docinfofiles.nfpa.org/files/AboutTheCodes/70/TIA_70_23_9.pdf",
        "sha256": "654e6e773d0c560fdcffc04939760fffa73dab946121cba217fcd92568a7e50a",
        "id": "TIA 23-9",
        "disposition": "Pool definitions and equipotential bonding are outside the model.",
        "reviewStatus": "screened-no-change-to-supported-numerical-rules"
      },
      {
        "title": "TIA 23-10, Reference: 314.29(A)",
        "issued": "21-Mar-2023",
        "url": "https://docinfofiles.nfpa.org/files/AboutTheCodes/70/TIA_70_23_10.pdf",
        "sha256": "5a595f1be024a91fc0a13edb8464efcbb3310ced1f93cf63caa010db580bc61a",
        "id": "TIA 23-10",
        "disposition": "Physical box accessibility is an installation check, not evaluated.",
        "reviewStatus": "screened-no-change-to-supported-numerical-rules"
      },
      {
        "title": "TIA 23-11, Reference: 700.32(C), 701.32(C), and 708.54(C)",
        "issued": "25-Aug-2023",
        "url": "https://docinfofiles.nfpa.org/files/AboutTheCodes/70/TIA_70_23_11.pdf",
        "sha256": "b10bf38910e659a336d7cf4113a97df532f633c0eded18ac26f16909a914f911",
        "id": "TIA 23-11",
        "disposition": "Emergency/standby/critical-power selective coordination is an installation study, not evaluated.",
        "reviewStatus": "screened-no-change-to-supported-numerical-rules"
      },
      {
        "title": "TIA 23-12, Reference: 408.6",
        "issued": "25-Aug-2023",
        "url": "https://docinfofiles.nfpa.org/files/AboutTheCodes/70/TIA_70_23_12.pdf",
        "sha256": "5879279165779056c17f7dceba71206a9bcc6c4c5bf799b802ee07b01854fe79",
        "id": "TIA 23-12",
        "disposition": "Equipment SCCR and fault-current marking require actual equipment/fault data; now explicit in unresolved checks. No ampacity-table change.",
        "reviewStatus": "screened-no-change-to-supported-numerical-rules"
      },
      {
        "title": "TIA 23-13, Reference: 400.47",
        "issued": "25-Aug-2023",
        "url": "https://docinfofiles.nfpa.org/files/AboutTheCodes/70/TIA_70_23_13.pdf",
        "sha256": "38248d9157997db969e23679609c97c133f77fda9d59d576aa5950091287bf7c",
        "id": "TIA 23-13",
        "disposition": "Medium-voltage portable power-cable bending is outside the 600 V model.",
        "reviewStatus": "screened-no-change-to-supported-numerical-rules"
      },
      {
        "title": "TIA 23-14, Reference: 517.30(B)(3)(a)",
        "issued": "30-Nov-2023",
        "url": "https://docinfofiles.nfpa.org/files/AboutTheCodes/70/TIA_70_23_14.pdf",
        "sha256": "f31f56ac76910d9ed83c8395d511126545b379ddcb148c156598cfb605345028",
        "id": "TIA 23-14",
        "disposition": "Healthcare fuel-cell alternate-source installation is outside the model.",
        "reviewStatus": "screened-no-change-to-supported-numerical-rules"
      },
      {
        "title": "TIA 23-15, Reference: 210.70",
        "issued": "30-Nov-2023",
        "url": "https://docinfofiles.nfpa.org/files/AboutTheCodes/70/TIA_70_23_15.pdf",
        "sha256": "a6a2fa5206668576f0ce8e52a1ad54cafda342279896e028e94570d45b947a89",
        "id": "TIA 23-15",
        "disposition": "Lighting outlet controls and battery behavior are outside the model.",
        "reviewStatus": "screened-no-change-to-supported-numerical-rules"
      },
      {
        "title": "TIA 23-16, Reference: 680.43, Exception No. 3",
        "issued": "04-Dec-2024",
        "url": "https://docinfofiles.nfpa.org/files/AboutTheCodes/70/TIA_70_23_16.pdf",
        "sha256": "516c7ba36d4c82c2fb5f0a4687075c9359d191c8515557b63ff3ba2ea37f0c7a",
        "id": "TIA 23-16",
        "disposition": "Indoor spa wiring methods are outside the model.",
        "reviewStatus": "screened-no-change-to-supported-numerical-rules"
      },
      {
        "title": "TIA 23-17, Reference: 680.21(C)",
        "issued": "10-Apr-2025",
        "url": "https://docinfofiles.nfpa.org/files/AboutTheCodes/70/TIA_70_23_17.pdf",
        "sha256": "3fe44ab8b3a157bb1583bb4b0af4c39fb588949e6c30fec508264a9480e5adb4",
        "id": "TIA 23-17",
        "disposition": "Pool motor ground-fault protection is outside the model; motor circuits are excluded.",
        "reviewStatus": "screened-no-change-to-supported-numerical-rules"
      },
      {
        "title": "TIA 23-18, Reference: 314.29(A)",
        "issued": "20-Aug-2025",
        "url": "https://docinfofiles.nfpa.org/files/AboutTheCodes/70/TIA_70_23_18.pdf",
        "sha256": "5c2cfce0098d57b2036312867b1ca38267568b3ff630d18bcbaf33821e208186",
        "id": "TIA 23-18",
        "disposition": "Physical box accessibility is an installation check, not evaluated; later revision to the subject of TIA 23-10.",
        "reviewStatus": "screened-no-change-to-supported-numerical-rules"
      },
      {
        "title": "TIA 23-19, Reference: 315.6",
        "issued": "20-Aug-2025",
        "url": "https://docinfofiles.nfpa.org/files/AboutTheCodes/70/TIA_70_23_19.pdf",
        "sha256": "bcb803e32dbc06d968608974b94d53dadbf4a980d3bd66520be719706d4c2866",
        "id": "TIA 23-19",
        "disposition": "Medium-voltage cable listing effective dates are outside the 600 V model.",
        "reviewStatus": "screened-no-change-to-supported-numerical-rules"
      },
      {
        "title": "TIA 23-20, Reference: 430.132(new)",
        "issued": "20-Aug-2025",
        "url": "https://docinfofiles.nfpa.org/files/AboutTheCodes/70/TIA_70_23_20.pdf",
        "sha256": "37196aee42215a220af0751d7f8f285f1850c463f63148e74be53f4a8367d740",
        "id": "TIA 23-20",
        "disposition": "Motor-drive ground-fault device placement is outside the model; motor circuits are excluded.",
        "reviewStatus": "screened-no-change-to-supported-numerical-rules"
      },
      {
        "title": "Errata 70-23-1, Reference: 210.11(C)(3) Exception, and 210.11(C)(4) Exception No. 2",
        "issued": "01-Sep-2022",
        "url": "https://docinfofiles.nfpa.org/files/AboutTheCodes/70/Errata_70_23_1.pdf",
        "sha256": "f0e6bfe16df7047ff6152b115408bc150e07b6610629a625862125b9b81a1cbf",
        "id": "Errata 70-23-1",
        "disposition": "Dwelling required-branch-circuit cross-references are outside numerical load sizing; outlet application remains an installation check.",
        "reviewStatus": "screened-no-change-to-supported-numerical-rules"
      },
      {
        "title": "Errata 70-23-2, Reference: 555.53, 702.4(A)(2), and Annex C Listing of Tables",
        "issued": "15-Sep-2022",
        "url": "https://docinfofiles.nfpa.org/files/AboutTheCodes/70/Errata_70_23_2.pdf",
        "sha256": "c6d04468560acc600c4a37e094bc7e0f4d1a173795411a755f24421df1332b63",
        "id": "Errata 70-23-2",
        "disposition": "Floating-building/standby references and Annex C page numbers do not change the tables used.",
        "reviewStatus": "screened-no-change-to-supported-numerical-rules"
      },
      {
        "title": "Errata 70-23-3, Reference: Table 225.3, 395.30(C)(3), 501.15(D), 513.7(F), 513.10(B), 517.71(C), and 550.18(B)(3)",
        "issued": "24-Mar-2023",
        "url": "https://docinfofiles.nfpa.org/files/AboutTheCodes/70/Errata_70_23_03.pdf",
        "sha256": "4fd658640250befab1cb0a6b1d122db5559ba142e25baff2fe5ae0a2a2c37cf8",
        "id": "Errata 70-23-3",
        "disposition": "Special-location, support, healthcare and mobile-home cross-references are outside the modeled rules.",
        "reviewStatus": "screened-no-change-to-supported-numerical-rules"
      },
      {
        "title": "Errata 70-23-4, Reference: 701.12(I)",
        "issued": "02-May-2023",
        "url": "https://docinfofiles.nfpa.org/files/AboutTheCodes/70/Errata_70_23_4.pdf",
        "sha256": "d67a427e052ba7ab1e58468bb76d21c21a4a94f08f1c540ac993591e7241b64d",
        "id": "Errata 70-23-4",
        "disposition": "Legally required standby emergency-luminaire reference is outside the model.",
        "reviewStatus": "screened-no-change-to-supported-numerical-rules"
      },
      {
        "title": "Errata 70-23-5, Reference: 250.24(D)",
        "issued": "14-Sep-2023",
        "url": "https://docinfofiles.nfpa.org/files/AboutTheCodes/70/Errata%2070_23_5.pdf",
        "sha256": "eba459386a5139a928226d17ad3cd9626cb33fb144c92f4521b01ee987224cef",
        "id": "Errata 70-23-5",
        "disposition": "Service grounded-conductor reference is outside the feeder/branch phase-and-EGC model.",
        "reviewStatus": "screened-no-change-to-supported-numerical-rules"
      },
      {
        "title": "Errata 70-23-6, Reference: 250.122(D)(2)",
        "issued": "14-Sep-2023",
        "url": "https://docinfofiles.nfpa.org/files/AboutTheCodes/70/Errata%2070_23_6.pdf",
        "sha256": "4add1b9bdd18f347caf9d031ee8321b50c893d565e523198abb25947f6c5eb90",
        "id": "Errata 70-23-6",
        "disposition": "Motor-EGC fuse reference corrected; general-purpose Table 250.122 values and the modeled (A)/(B)/(F) rules unchanged.",
        "reviewStatus": "screened-no-change-to-supported-numerical-rules"
      },
      {
        "title": "Errata 70-23-7, Reference: 695.4(B)(3)(e) and 800.3",
        "issued": "07-Dec-2023",
        "url": "https://docinfofiles.nfpa.org/files/AboutTheCodes/70/Errata_70_23_7.pdf",
        "sha256": "fce24e9db1e8df15f56c9de13b1c4d84b447110455f2ac4633872c97791c379a",
        "id": "Errata 70-23-7",
        "disposition": "Fire-pump supervision and communications references are outside the model.",
        "reviewStatus": "screened-no-change-to-supported-numerical-rules"
      },
      {
        "title": "Errata 70-23-8, Reference: 110.31(C)(1), Figure 315.60(D)(3), 660.4(C), and 726.144",
        "issued": "22-Apr-2024",
        "url": "https://docinfofiles.nfpa.org/files/AboutTheCodes/70/Errata_70_23_8.pdf",
        "sha256": "828691cc1a37863e7c16e7eff84fe5437c21e780e379b16adb6c58e12e1984e6",
        "id": "Errata 70-23-8",
        "disposition": "High-voltage, X-ray and Class 4 circuit references are outside the model; no Table 310.16 cell correction.",
        "reviewStatus": "screened-no-change-to-supported-numerical-rules"
      },
      {
        "title": "Errata 70-23-9, Reference: 240.86(C) and 551.4",
        "issued": "12-Aug-2025",
        "url": "https://docinfofiles.nfpa.org/files/AboutTheCodes/70/Errata_70_23_9.pdf",
        "sha256": "f88e6d9b7a40c675c8e7f7df1f32573d1550ba58feab94504aa034000fc797b5",
        "id": "Errata 70-23-9",
        "disposition": "Series-rated device combinations and motor contribution require actual equipment/fault data; series ratings are not evaluated. RV circuit requirements also excluded.",
        "reviewStatus": "screened-no-change-to-supported-numerical-rules"
      },
      {
        "title": "Errata 70-23-10, Reference: 680.24(B)(1)(3)",
        "issued": "16-Oct-2025",
        "url": "https://docinfofiles.nfpa.org/files/AboutTheCodes/70/Errata_70_23_10.pdf",
        "sha256": "ffd847a3182dfa78854aa39593abac32689da2001769e47f31ed8733428535a5",
        "id": "Errata 70-23-10",
        "disposition": "Pool enclosure sealing text is outside the model.",
        "reviewStatus": "screened-no-change-to-supported-numerical-rules"
      }
    ]
  },
  "ruleSources": [
    {
      "clauses": "110.14(C)",
      "evidence": "Owner-supplied NEC 2023 excerpt; independent reference fixtures in calc-conductor-review-test.cjs"
    },
    {
      "clauses": "210.19, 210.20",
      "evidence": "Owner-supplied NEC 2023 excerpt; independent reference fixtures in calc-conductor-review-test.cjs"
    },
    {
      "clauses": "215.2, 215.3",
      "evidence": "Owner-supplied NEC 2023 excerpt; independent reference fixtures in calc-conductor-review-test.cjs"
    },
    {
      "clauses": "240.4, 240.6(A)",
      "evidence": "Owner-supplied NEC 2023 excerpt; independent reference fixtures in calc-conductor-review-test.cjs"
    },
    {
      "clauses": "250.122(A), (B), (F), Table 250.122",
      "evidence": "Owner-supplied NEC 2023 excerpt; independent reference fixtures in calc-conductor-review-test.cjs"
    },
    {
      "clauses": "310.10(G), 310.15(B), (C), Table 310.16",
      "evidence": "Owner-supplied NEC 2023 excerpt; independent reference fixtures in calc-conductor-review-test.cjs"
    },
    {
      "clauses": "Chapter 9 Tables 8 and 9",
      "evidence": "Owner-supplied NEC 2023 excerpt; independent reference fixtures in calc-conductor-review-test.cjs"
    }
  ],
  "limitations": [
    "No installation compliance certification",
    "No automatic future TIA/errata monitoring",
    "No archived full licensed source text; retain original licensed sources separately",
    "Metric area metadata has rounding differences from Table 8; circular mils are used for sizing",
    "No local amendments or adoption analysis"
  ]
}