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AI drafting for electrical

AI Drafting for Electrical Engineering

Electrical sheets are the last to settle because they depend on everyone else: the furniture plan, the reflected ceiling plan, and the mechanical equipment schedule all move the circuits. Nomic drafts the power, lighting, fire alarm, and low-voltage plans in CAD, builds the panel schedules and one-line from the same circuits, and checks the set against the NEC edition you name before your engineer reviews it.

Start for freeAll drafting work
Last reviewed: November 2026

You send

  • Architectural backgrounds, furniture plan, and reflected ceiling plan
  • Mechanical and plumbing equipment schedules with MCA and MOCP
  • Your engineer's panel layout, circuiting rules, and fixture types
  • Your CAD standards, symbol library, and title block
  • The NEC edition and local amendments the project follows

Nomic hands back

  • Power, lighting, fire alarm, and low-voltage plans as DWG files
  • Panel schedules in Excel and on the sheet
  • One-line and riser diagrams updated from the panel data
  • Revision clouds on every change and a list of open questions
1234567ABCOFFICE401OFFICE402OFFICE403OFFICE404OFFICE405OFFICE406OPEN OFFICE407OPEN OFFICE408CONFERENCE409STAIRS2LP-2A-1LP-2A-3LP-2A-5LP-2A-7LP-2A-9LP-2A-11LP-2A-13LP-2A-15LP-2A-17LP-2A27'-3"27'-0"27'-3"27'-3"27'-0"27'-3"94'-8"1APOWER PLANSCALE: 1/8" = 1'-0"N1234CONSULTING ENGINEERSREVISIONS1ISSUED FOR REVIEWPROJECTHARBOR POINT OFFICESSCALE1/8" = 1'-0"DATE08/06/2026KEY PLANSHEET TITLEPOWER PLANSHEET NUMBERE-101

On the sheet

Power Plan, annotated

An electrical power plan drawn over the architectural background, with receptacles circuited back to the panel.

  1. 1Duplex receptacle on the wall it serves
  2. 2Branch circuit wiring between devices
  3. 3Homerun arrow with panel and circuit number
  4. 4Panelboard the circuits return to

The problem

Every other discipline moves the electrical set

When the mechanical engineer swaps a 10-ton rooftop unit for a 15-ton unit, the MCA and MOCP change, so the breaker, the wire size on the one-line, the disconnect on the roof plan, and the panel schedule load totals all change with it. When the architect moves a door, the switch moves, and when the furniture plan changes, every desk receptacle and poke-through gets redrawn. None of that is design work, but every bit of it has to be right.

Panel schedules drift from the plans because they live in a separate spreadsheet that someone updates at the end. Circuit numbers on E-201 stop matching LP-2A, phase loads go unbalanced, a spare ends up double-booked, and the plan reviewer finds the missing service receptacle at the rooftop unit before anyone in the office does.

01 / Layout

Power and lighting plans from the backgrounds you already have

Attach the architectural backgrounds, the furniture plan, and the reflected ceiling plan, then say what you want on the sheet. Nomic places receptacles, fixtures, switches, and occupancy sensors on your layers, circuits them to the panels you name, and adds homeruns and circuit tags in your format.

  • Receptacles, data outlets, and floor boxes placed from the furniture plan
  • Fixtures from the reflected ceiling plan, with switching zones and sensors
  • Equipment connections drawn from the mechanical and plumbing schedules
02 / Schedules

Panel schedules that match the plan they came from

Nomic builds the panel schedules from the circuits it drew, so circuit numbers, descriptions, breaker sizes, and connected loads agree with the plans. It totals each phase, flags imbalance, and carries panel loads up to the one-line and the feeder schedule for your engineer to size.

  • Panel schedules in Excel and drawn on the sheet in your format
  • Phase totals and spares tracked as circuits move
  • One-line and riser diagrams updated from the same panel data
03 / Check

Checked against the NEC and the mechanical schedule

Before the sheets go to your engineer, Nomic checks its own drawing against the NEC edition you name and against the other disciplines. It flags missing disconnects, working clearance at gear, breakers that no longer match the equipment, and anything the backgrounds leave unclear.

  • Disconnects, service receptacles, and GFCI locations checked
  • Working space in front of panels and switchboards checked
  • Breaker and conductor sizes compared to the equipment schedule

Checked against

The code and documents behind every sheet

Name the editions the project is designed to and Nomic checks its own drawing against them before handing it back. Your engineer or architect of record makes the final call and stamps the set.

  • NEC (NFPA 70)
  • NFPA 72 for fire alarm device layouts
  • ASHRAE 90.1 or IECC lighting power and controls
  • Mechanical and plumbing equipment schedules
  • Local electrical amendments
  • Your firm CAD standards

How it works

From a sentence to a stamped set

  1. Step 1

    Ask for the drawing

    Say what the sheet needs to show and attach the backgrounds, markups, cutsheets, or photos. A sentence is enough to start.

  2. Step 2

    Nomic drafts it in CAD

    Nomic works in CAD on its own computer, on your layers and blocks, following how your firm drew the same thing before. It saves real DWG files to the project.

  3. Step 3

    Nomic checks its own work

    The drawing is checked against the code editions you name and the source documents. Everything Nomic drew is clouded, and open questions are listed.

  4. Step 4

    Your team reviews and stamps

    Your engineers and architects review the clouded changes, make the final call, and issue the set under their own stamp.

FAQ

Frequently asked questions

Yes. Nomic works in CAD on its own computer and saves DWG files for power plans, lighting plans, fire alarm and low-voltage layouts, panel schedules, and one-line diagrams. It lays them out from your architectural backgrounds and circuits them to the panels and rules your engineer sets.

Your engineer decides service size, feeder size, and overcurrent protection. Nomic can total panel loads, apply the criteria and NEC tables your engineer specifies, and draft the results on the one-line and feeder schedule, but the final call stays with the engineer of record.

Nomic builds the panel schedules from the circuits it drew on the plans. When a circuit moves or a mechanical unit changes, Nomic updates the plan, the panel schedule, and the one-line together and clouds each change.

No. Nomic works in CAD on its own computer and saves DWG files you open in AutoCAD or any DWG editor. If your electrical design lives in Revit, Nomic hands back DWGs and a change list your modeler links into the model.

Nomic checks against the edition the project is designed to, such as NEC 2020 or NEC 2023, plus any local amendments you attach. Name the edition in the request and Nomic cites the section behind each finding.

Keep reading

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What is a panel schedule?

The table of circuits, breakers, and loads on each panelboard.

What is a one-line diagram?

How power flows from the service to every panel, drawn as single lines.

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AI Drafting for Electrical Engineering: Power, Lighting | Nomic