Photograph the problem. Get the fix.

Hazards and NEC violations cited to the edition your state enforces, then a step-by-step repair procedure.

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Electrician Helper Pro's Diagnostic Report opening with a Critical Hazard banner that cites NEC 2026 (current) for Texas, above the finding: two 12 AWG conductors under a breaker lug listed for one.

1Diagnose from a photo

Photograph a panel, device, fixture, outdoor circuit, EV charger, motor, pool, generator, solar or low-voltage run. The report gives the hazard level and every violation in plain language.

  • Up to six photos per diagnosis on Pro and during the trial.
  • Federal Pacific and Zinsco panels, arcing and backfed generators are escalated automatically: the report opens CRITICAL, with de-energization steps first.
  • Photos are downscaled and stripped of GPS and EXIF data on the phone before analysis.
A Diagnostic Report: two evidence photos of the panel, tiles reading 3 violations, 2.0 h labor estimate and $325 average client price, then the identified components with their violation badges.

2Every NEC citation, checked

Before a report is shown, its NEC citations are checked against the app's own code library, and every finding says what it rests on: seen in a photo, inferred from one, or assumed from your description.

  • A section the library does not hold is marked "Confirm this section in the code book", never dropped.
  • A citation to a separate standard, such as NFPA 70E, is shown as not checked against the NEC library.
  • What the photos could not show is listed, with Add photos and rescan.
Evidence for every finding
A finding titled Replacement of Damaged or Deteriorated Receptacles, GFCI protection required on replacement receptacles, tagged Seen in photo 2.

3Every step, to code

Each repair step carries its code basis, the tools and materials it needs, a safety precaution and the check that verifies it.

  • Materials from the report pre-fill the quote.
  • Ask a follow-up about any step without leaving the report.
Repair step 2, Open the main and verify absence of voltage, with its tools, materials, a safety line and a Verify line.
Code basis and tools
Close-up of the step's code basis, NFPA 70E 120.5 and NEC 110.26, and its first tool, a non-contact voltage tester.

4Lockout before any step

Repair steps open only after you affirm that the circuit or equipment has been de-energized, locked out, tagged and verified with a tested meter, per NFPA 70E.

  • Four checks: circuit identified and opened, lock applied and tagged, absence of voltage verified, PPE per NFPA 70E.
  • The Safety Disclaimer is one tap away wherever AI output appears.
Lockout / tagout affirmation
The Lockout / Tagout Affirmation, required by NFPA 70E before any repair step is shown, with four items checked: circuit identified and opened, lock applied and tagged, absence of voltage verified, PPE per NFPA 70E.

5Ask the engine

Ask a follow-up on any report, code article or state, or anything electrical from the Ask tab, with a photo when it helps. Answers cite your state's edition.

  • Every answer ends with its library check, such as "Code library: 5 of 5 citations found".
  • Electrical topics only.
The Ask tab: the question How do I size the grounding electrode conductor for a 200 A service? and an AI answer giving 4 AWG copper per NEC Table 250.66, followed by electrode-specific limits.

6Your state's code, offline

The Codes tab holds the current NEC edition for every state and DC, with amendments, next-cycle notes and licensing board links. It works with no signal.

Current NEC edition for every state and DC
  1. Alaska: NEC 2020 (current)
  2. Maine: NEC 2026 (current)
  3. Vermont: NEC 2023 (current)
  4. New Hampshire: NEC 2023 (current)
  5. Washington: NEC 2023 (current)
  6. Idaho: NEC 2023 (current)
  7. Montana: NEC 2020 (current)
  8. North Dakota: NEC 2026 (current)
  9. Minnesota: NEC 2026 (current)
  10. Illinois: NEC 2020 (current, varies locally)
  11. Wisconsin: NEC 2023 (current)
  12. Michigan: NEC 2023 (current)
  13. New York: NEC 2023 (current)
  14. Rhode Island: NEC 2023 (current)
  15. Massachusetts: NEC 2026 (current)
  16. Oregon: NEC 2023 (current)
  17. Nevada: NEC 2023 (current, varies locally)
  18. Wyoming: NEC 2026 (current)
  19. South Dakota: NEC 2023 (current)
  20. Iowa: NEC 2023 (current)
  21. Indiana: NEC 2008 (current)
  22. Ohio: NEC 2023 (current)
  23. Pennsylvania: NEC 2020 (current)
  24. New Jersey: NEC 2023 (current)
  25. Connecticut: NEC 2020 (current)
  26. California: NEC 2023 (current)
  27. Utah: NEC 2023 (current)
  28. Colorado: NEC 2026 (current)
  29. Nebraska: NEC 2023 (current)
  30. Missouri: NEC 2023 (current, varies locally)
  31. Kentucky: NEC 2023 (current)
  32. West Virginia: NEC 2020 (current)
  33. Virginia: NEC 2020 (current)
  34. Maryland: NEC 2020 (current, varies locally)
  35. Delaware: NEC 2023 (current)
  36. Arizona: NEC 2023 (current, varies locally)
  37. New Mexico: NEC 2020 (current)
  38. Kansas: NEC 2017 (current, varies locally)
  39. Arkansas: NEC 2026 (current)
  40. Tennessee: NEC 2017 (current)
  41. North Carolina: NEC 2020 (current)
  42. South Carolina: NEC 2020 (current)
  43. District of Columbia: NEC 2014 (current)
  44. Oklahoma: NEC 2023 (current)
  45. Louisiana: NEC 2020 (current)
  46. Mississippi: NEC 2020 (current, varies locally)
  47. Alabama: NEC 2020 (current)
  48. Georgia: NEC 2023 (current)
  49. Hawaii: NEC 2020 (current, varies locally)
  50. Texas: NEC 2026 (current)
  51. Florida: NEC 2020 (current)
  • NEC 2026 8
  • NEC 2023 23
  • NEC 2020 16
  • NEC 2017 2
  • NEC 2014 1
  • NEC 2008 1
NEC 2026 8
AR, CO, MA, ME, MN, ND, TX, WY
NEC 2023 23
AZ, CA, DE, GA, IA, ID, KY, MI, MO, NE, NH, NJ, NV, NY, OH, OK, OR, RI, SD, UT, VT, WA, WI
NEC 2020 16
AK, AL, CT, FL, HI, IL, LA, MD, MS, MT, NC, NM, PA, SC, VA, WV
NEC 2017 2
KS, TN
NEC 2014 1
DC
NEC 2008 1
IN

Current means adopted and enforced in that state today. NFPA publishes a new NEC every three years (the newest is 2026), and each state adopts it on its own schedule. In Arizona, Hawaii, Illinois, Kansas, Maryland, Mississippi, Missouri and Nevada it varies locally: cities and counties adopt their own edition, and the one shown is the edition the app cites.

Code adoption cycles change. Always confirm the edition and amendments in force with your Authority Having Jurisdiction (AHJ) before permitting work.

All 51 jurisdictions as a table
JurisdictionNEC edition
AlabamaNEC 2020 (current)
AlaskaNEC 2020 (current)
ArizonaNEC 2023 (current, varies locally)
ArkansasNEC 2026 (current)
CaliforniaNEC 2023 (current)
ColoradoNEC 2026 (current)
ConnecticutNEC 2020 (current)
DelawareNEC 2023 (current)
District of ColumbiaNEC 2014 (current)
FloridaNEC 2020 (current)
GeorgiaNEC 2023 (current)
HawaiiNEC 2020 (current, varies locally)
IdahoNEC 2023 (current)
IllinoisNEC 2020 (current, varies locally)
IndianaNEC 2008 (current)
IowaNEC 2023 (current)
KansasNEC 2017 (current, varies locally)
KentuckyNEC 2023 (current)
LouisianaNEC 2020 (current)
MaineNEC 2026 (current)
MarylandNEC 2020 (current, varies locally)
MassachusettsNEC 2026 (current)
MichiganNEC 2023 (current)
MinnesotaNEC 2026 (current)
MississippiNEC 2020 (current, varies locally)
MissouriNEC 2023 (current, varies locally)
MontanaNEC 2020 (current)
NebraskaNEC 2023 (current)
NevadaNEC 2023 (current, varies locally)
New HampshireNEC 2023 (current)
New JerseyNEC 2023 (current)
New MexicoNEC 2020 (current)
New YorkNEC 2023 (current)
North CarolinaNEC 2020 (current)
North DakotaNEC 2026 (current)
OhioNEC 2023 (current)
OklahomaNEC 2023 (current)
OregonNEC 2023 (current)
PennsylvaniaNEC 2020 (current)
Rhode IslandNEC 2023 (current)
South CarolinaNEC 2020 (current)
South DakotaNEC 2023 (current)
TennesseeNEC 2017 (current)
TexasNEC 2026 (current)
UtahNEC 2023 (current)
VermontNEC 2023 (current)
VirginiaNEC 2020 (current)
WashingtonNEC 2023 (current)
West VirginiaNEC 2020 (current)
WisconsinNEC 2023 (current)
WyomingNEC 2026 (current)
Your state, pinned
The Codes tab with Texas pinned: statewide adoption, NEC 2026 (current).

7Five field calculators

Voltage drop, box fill, conduit fill, wire ampacity and service load, computed by the app, not the AI.

  • Box fill per NEC 314.16(B), conduit fill per Chapter 9, ampacity per Table 310.16 with 240.4(D) limits, service load per 220.82.
  • Numbers a report depends on are computed the same way and open the calculator pre-filled.
The Voltage Drop calculator: 5.27 % drop, 6.32 V, 113.7 V at the load and branch within 3 %: No, for 120 V, 16 A, 100 ft one way, single-phase copper 12 AWG.
The formula it applies
Close-up of the formula note: VD = k × I × L × (2 or √3) ÷ circular mils, k = 12.9 copper or 21.2 aluminum; NEC 210.19(A) and 215.2(A) informational notes recommend 3 % or less on a branch circuit and 5 % combined.

8Quote the job on site

Labor, materials, markup and tax are pre-filled from the report and your rates. Every number stays editable, and the total shows where it sits in the client price range.

  • Regional labor rates by ZIP code.
  • The quote is saved with its report.
The Client Quote screen: labor 2.00 h at $160.00 for $320.00, materials $40.00, markup $10.00 and tax $4.12, above the Export Professional PDF Estimate button.
Where the total sits
Close-up of the total: $374.12, within the $225–$450 market range.

9A branded PDF estimate

Export a PDF with your company name, license and contact details, the diagnostic summary and the scope of repair, with signature lines for you and the client.

  • Shared from the job site.
  • The Apprentice Pass exports with a light watermark.
Page 1 of an exported estimate: Example Electric Co., License TECL 00000, estimate number, issued and valid-until dates, prepared for Rivera residence, job Terminals - Listing for Multiple Conductors, jurisdiction Texas, NEC 2026 (current), and the Critical Hazard diagnostic summary heading. Page 3 of the estimate: a line item, labor 2.00 h at $160.00 per hour, materials, markup and tax, a total estimate of $374.12, the terms and the advisory line, and signature lines for the contractor and the client.
Pages 1 and 3 of an estimate exported from the app

10Written for your role

Pick apprentice, journeyman, master electrician or contractor. The role sets how much each report and answer explains, how safety is spelled out, and how citations and costs are weighted. Change it any time in Settings.

Your role
The role picker: Apprentice, learning the trade with extra safety context; Journeyman, licensed field work with balanced detail; Master Electrician, inspection-grade depth and citations; Contractor / Owner, estimates, quotes and client PDFs first.

22 questions, one tap each

Type your own question, or tap one of the app's common questions, phrased the way electricians ask them.

Panels & service

  • Is anything double-tapped in this panel?
  • Is this panel bonded and grounded correctly?
  • Are the breakers sized right for their wires?
  • Does this service have capacity for the load?
  • Is the grounding electrode system right?
  • Is there enough working clearance here?
  • Is this aluminum wiring safe as terminated?
  • What gauge and ampacity is this wire?

Circuits & devices

  • Is this box overfilled?
  • Is this conduit overfilled?
  • What is the voltage drop on this run?
  • Are these receptacles and switches to code?
  • Are these fixtures mounted and rated right?
  • Does this kitchen have the required circuits?
  • Is the bathroom GFCI-protected on its own circuit?

Outdoor, wet & special systems

  • Are the outdoor outlets GFCI and weather-rated?
  • Is this pool or spa wiring bonded and protected?
  • Is this EV charger circuit to code?
  • Is this generator interlock done right?
  • Is this motor or HVAC circuit sized right?
  • Is this solar or battery install compliant?
  • Is this low-voltage wiring run right?

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The offline 50-state NEC database, the plain-language article summaries and the five calculators stay free after the trial.

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Advisory tool only.

AI-generated for your state's adopted NEC. Confirm code citations and field conditions before you act on it.

Verification required by a licensed contractor under NFPA 70E.

Read the Safety Disclaimer