Intry Verified receipt

Is the Intry Panel Schedule accurate and NEC compliant?

The provenance receipt for the Intry Panel Schedule: the exact authority its values derive from, the edition they are keyed to, who has final say, and what our automated checks hold them against.

Short answer: It computes from the NEC sections named below (NEC 2023), and our automated checks hold its answers against values written from those sources for the cases the checks cover, not for every input you can enter. Whether an installation is NEC compliant is decided by the inspector, not by a calculator. Your AHJ and local amendments have final say. Confirm before rough-in. The rules and letters this schedule applies come from a locked source module, not hand-typed. 32786 automated checks, one suite for the whole site rather than a per-tool count, re-derive this schedule's phase letters, poles and phase sums before each deploy, against the values this site holds, read from the City of Bellevue's printed forms and NEC 240.15(A), and sums worked by hand. The loads are the ones you enter, so no check of ours can confirm them. This is our own deterministic gate, not a third-party audit. The per-tool receipt is public at https://www.intrysys.com/verified.

The receipt

Calculated from
NEC 408.4(A) · NEC 240.15(A) · City of Bellevue panel schedule forms · NEC 220.5(A) · NEC 220.82(A) · Table 240.6(A) and NEC 210.4(B) · NEC 440.22 · The City of Bellevue's copy of the forms (NEC 2023). Reused word for word from the locked engine, never re-written for this page. The documents it rests on are listed in the source receipt on the tool page.
Edition
NEC 2023
What it reads
  • NEC 408.4(A)
  • NEC 240.15(A)
  • City of Bellevue panel schedule forms
  • NEC 220.5(A)
  • NEC 220.82(A)
  • Table 240.6(A) and NEC 210.4(B)
  • NEC 440.22
  • The City of Bellevue's copy of the forms
Checked
Checked on every build, most recently on October 24, 2026. On every build, an automated check runs the locked engine that produces these figures and holds its answers against the values this site holds, written from the source it cites, so a checked number answers to its source and not merely to itself. The check covers the cases someone wrote a check for, not every input the tool accepts: it tells you where a number comes from, and it is not a proof of every value. As of the current build that suite holds 32786 checks, and this page has to clear them too. This is our own deterministic gate, not a third-party audit.
Tested safeguards
The wire on each row it imports from a saved MCA/MOCP reading, the 75°C condition it keeps on that row, the poles and VA it takes at the nominal voltage, and its refusal of a reading whose breaker is above the NEC 440.22 ceiling, carry their own safeguards: we broke the code behind them on purpose, and the safeguards caught it.
Source changes
No source has been added to or removed from this tool since this record began on October 24, 2026.
Runnable
A reference engine behind the published numbers on this site. Runnable access is offered on the calculators exposed at the Intry MCP endpoint.
Final say
Your AHJ and local amendments have final say. Confirm before rough-in.

Frequently Asked Questions

Is the Intry Panel Schedule accurate and NEC compliant?

It computes from the NEC sections named below (NEC 2023), and our automated checks hold its answers against values written from those sources for the cases the checks cover, not for every input you can enter. Whether an installation is NEC compliant is decided by the inspector, not by a calculator. Your AHJ and local amendments have final say. Confirm before rough-in. The rules and letters this schedule applies come from a locked source module, not hand-typed. 32786 automated checks, one suite for the whole site rather than a per-tool count, re-derive this schedule's phase letters, poles and phase sums before each deploy, against the values this site holds, read from the City of Bellevue's printed forms and NEC 240.15(A), and sums worked by hand. The loads are the ones you enter, so no check of ours can confirm them. This is our own deterministic gate, not a third-party audit. The per-tool receipt is public at https://www.intrysys.com/verified.


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