Every available feature, in plain English.

Job Info, Room Selection, Calculation, Review and Export. Each step saves automatically, so closing the tab does not lose your work. Most jobs run from open to PDF in five to ten minutes.

Pick a room (bedroom, kitchen, bathroom, garage, exterior, etc.) and the estimator pre-loads the count of outlets, lights, switches, and dedicated circuits a typical room of that type needs. The defaults follow the National Electrical Code, so a fresh estimate starts code-compliant. Every count is editable per room.

The estimator picks the right breaker type per circuit based on the room it serves. Bedrooms, living rooms, kitchens, hallways, and laundry get arc-fault (AFCI) breakers per NEC 210.12. Bathrooms, garages, and outdoor circuits get ground-fault (GFCI) protection per NEC 210.8. Kitchens and laundry, which need both, get a dual-function breaker.

For any circuit on the job, swap the auto-picked breaker for Standard, AFCI, AFCI/GFCI combo, GFCI 2-pole (for 240-volt loads), or None. Picking None tells the engine the breaker is already on hand and not part of the bid; it stops adding the breaker line item but keeps the rest of the circuit math intact.

For every dedicated circuit (range, dryer, water heater, EV charger, etc.) the estimator picks the wire gauge and the matching NEMA receptacle. 50-amp ranges get 6 AWG cable and a NEMA 14-50 receptacle. 30-amp dryers and water heaters get 10 AWG and a NEMA 14-30. No more cross-checking the code book mid-bid.

When the estimate includes a water heater, A/C condenser, air handler or furnace, or EV charger, the engine adds the matching disconnect line item. Water heater disconnects come from NEC 422.31. A/C condenser and air handler disconnects come from NEC 440.14. The A/C condenser also gets an A/C whip line.

Every smoke detector in the estimate adds the right interconnect cable (14/3 NM-B, three-conductor) to the bill of materials. The third conductor is what the code requires for smoke and CO devices to interconnect. The wire run length is sized off the room footprint, so the BOM matches the job.

Toggle on extras that are not part of the room defaults: ceiling fans, bathroom exhaust fans, range hoods, under-cabinet lighting, floor boxes, ceiling and wall speakers, security cameras (dome and bullet), recessed cans (4 inch and 6 inch), landscape lighting, garage opener outlets, elevator circuits, and surge protectors. Each one carries its own boxes, plates, switches, drivers, and labor hours.

Pick the job type (new construction, remodel, addition, service upgrade) and the access difficulty (easy, standard, hard, very hard) and the estimator scales labor to match. Remodels add 30 percent, hard access adds 20 percent, very hard adds 40 percent. Two-story homes add 10 percent on top, and houses over 2,500 square feet add another 10 percent. The math is shown on the estimate so you can defend it.

Repeat rooms get cheaper per room. The first bedroom on a job gets full labor hours. The second drops to 80 percent, the third drops to 72 percent, and four or more bedrooms run at 65 percent. This reflects the real productivity gain from doing the same wiring twice in a row.

Bigger and taller houses use more wire. The estimator scales the average wire run length by square footage and number of stories so the bill of materials is realistic. A 4,000 square foot two-story bid carries roughly 35 percent more wire than a single-story 1,500 square foot bid, automatically.

Hard and very hard access jobs add a 5 to 10 percent waste factor on materials. Wires get cut short, boxes crack, devices walk off; the waste factor lives in the estimate so the bid covers the loss instead of eating it.

Override the default $85 per hour with your shop rate. The new rate flows through every labor line on the estimate and the PDF.

Set a markup percentage on top of base material prices and a separate tax percentage applied after markup. Final price equals base times markup times tax. Both percentages are saved on the estimate and printed on the internal cost sheet so you can see how each one affects the bottom line.

Save a set of labor rate, markup, and tax as a named profile. Apply it to a new estimate with one click. Useful when you have one rate for residential remodels and a different rate for new construction.

Quantity, unit price, description, labor hours, and overhead amounts are all editable directly on the Review screen. No popups, no separate edit mode. Click and type.

Add anything the estimator does not know about (specialty fixtures, trenching, demolition allowance) directly on the Review screen. The custom item flows through to the customer PDF and the BOM.

Reset a single line back to its auto-calculated value, or clear every override on the estimate at once. Useful after a few experimental edits when you want to compare against the engine's original math.

The internal cost sheet PDF includes a summary that groups every material by part number and rolls up quantities and total cost. Hand it to your supply house and have everything pulled in one trip.

A live punch list at the top of the Review screen runs every estimate through the rule library: GFCI in bathrooms, kitchens, garages, exterior, and laundry (NEC 210.8); AFCI in bedrooms, living, hallways (NEC 210.12); two small-appliance circuits in the kitchen (NEC 210.52(B)); a 20A/120V branch circuit in laundry and bathroom (NEC 210.11(C)); dwelling service load vs. installed panel (NEC 230.42 / 230.79 with the 2026 NEC 2 VA/ft² rule); wet-exterior in-use covers (NEC 406.9(B)); branch-circuit overcurrent minimums (NEC 240.4). Findings carry the exact section number, a one-line fix, and a one-click 'Apply' button for GFCI and AFCI mistakes. Five more rules are stubbed in code (210.52 spacing, 314.16 box fill, 250.66/250.122 grounding, 110.26 working space, 700/701/702 standby) and will activate when the supporting data lands.

From the Review screen, export the estimate as a QuickBooks-compatible CSV that you can import straight into QuickBooks Online or Desktop. Material rows, labor rows tagged with [Labor], and overhead rows tagged with [Overhead] all come through with the right invoice number and customer name. Project names that contain commas are properly RFC-4180 quoted so QuickBooks does not split the field.

The estimator counts the breaker slots used by your circuits and compares against the panel capacity for the service amperage you picked. A 100A panel holds 20 slots, a 200A panel holds 40, a 400A panel holds 80. If the job needs more slots than the panel holds, you get a warning in the Review pane and on the internal PDF.

A clean line-item PDF with your company name, license number, and logo on every page. Final prices only. No internal notes, no profit margin breakdown. Ready to send to the customer.

A second PDF with everything the customer version hides: unit cost (what you pay), unit price (what you charge), profit margin, modification notes, BOM summary, and any circuit warnings. The filename ends in '_Internal.pdf' so you do not accidentally email it to the customer.

Save, duplicate, and revisit as many estimates as you want. No caps. Saved estimates appear at the top of the estimator page; click any one to reload it.

Save any estimate as a reusable template. The next kitchen remodel starts pre-filled with the same room mix, dedicated circuits, and pricing.

One click strips all breakers from the BOM. Useful when the breakers are on hand and not part of the bid.

Re-run the estimate engine from scratch. Pulls in any room or job-info changes you made and discards line-item edits, so the estimate matches the inputs again.

A complete data dump of the estimate, including every override. Re-importable, so you can move work between machines or back up an estimate before a major change.

Upload a CSV (or TSV, or pipe-delimited file) from your supply house and the tool fuzzy-matches descriptions against the material catalog. Each match gets a confidence rating: exact, high, medium, low, or none. Exact and high are auto-accepted. Lower-confidence rows show a dropdown so you can manually pick the right material. Updates wholesale cost only; your markup is preserved.

A small thumbs-up, okay, thumbs-down bar at the bottom of every estimate, with an optional comment box. We read every comment.

A draggable chat bubble that knows what you are working on. Ask Volt about the current estimate, the NEC, your pricing, or anything else; the answer streams back referencing the values on screen. Position is saved across sessions so it stays where you put it.

On the Review screen, Volt is not just read-only. Tell it 'set labor to $95/hr' or 'bump the master bedroom outlets to 6' or 'add a $200 trip charge' and it proposes the edits as a one-click Apply card. Multiple changes in one message become one batch, so you can review every line before anything saves. Discarded proposals stay in the chat history so you can see what you said no to. Powered by Gemini 2.5 function calling, validated client-side before any line item is touched.

Pick a saved estimate from the dropdown and the Sketch Generator places every room, every device, and every circuit on the canvas in seconds. Nothing to draft.

Drop in a JSON file from the estimator, a CSV with line items, or a text-based PDF (a competitor's quote, a takeoff sheet) and the tool parses it into rooms and devices. Important: the PDF parser reads text, not images. It does not work on scanned drawings or blueprints.

Snap a phone photo of a hand-drawn or printed floor plan, or upload a vector PDF, and Claude Sonnet 4.6 vision reads the image in four narrow passes (rooms, openings, fixtures, annotations) and proposes a complete sketch. Every imported room, wall, door, window, and electrical fixture lands in a review pane with a low-confidence orange chip and a quarantine flag set. Accept or reject each one, then click 'Apply accepted to canvas' to drop them into the live sketch. Schema validation runs after every Claude pass and a geometric watertightness validator catches floors that float in space, doors that miss their walls, fixtures outside their room , minor issues drop the per-room score by 0.1, major issues drop it by 0.3. Out of scope: stairs, MEP, HVAC, structural, multi-page PDFs.

Click two points on the canvas, type the real-world distance ('30 ft', '12'-6"', '6 in', or a fraction like '1/2'), and the entire sketch locks to that scale. Every device placement, every wire run length, and every printed dimension downstream of calibration carries the correct feet. The parser handles imperial typos like '30 '' or '30 ft 6 in' and rejects metric input cleanly in V1.

Upload an architect's plan or a hand-drawn sketch as a translucent background image behind the canvas. Calibrate the scale once against a known dimension, then trace rooms and place devices over the top. The background is for reference only; it never appears in the print or export output.

Every auto-generated wire (switch leg, home run, 3-way traveler) is measured to the canvas in actual feet using the calibration set on the sketch. The total LF (linear feet) per circuit shows in the panel schedule sidebar and on the printed sheet. Edit a device position and the wire run length updates live.

Every device on the canvas carries a confidence tier: high (placed by the engine from a saved estimate, renders normally), medium (placed from a room template, gets a blue halo and a circular 'i' badge), or low (placed by AI plan import, gets an orange halo, a triangular '!' badge, and a quarantine flag that blocks PDF exports until you Confirm). One click on the badge upgrades a low-confidence device to high. Colors are CVD-safe , blue and orange stay distinguishable for the common forms of color vision deficiency.

Skip the estimate and build a sketch from blank. Pick from 13 room templates: Bedroom, Living, Kitchen, Bathroom, Garage, Dining, Office, Laundry, Hallway, Closet, Porch, Utility, or Empty. Each one starts pre-loaded with the typical device count for that room type.

Devices land where they actually go on a residential plan. Outlets sit on the bottom wall, GFCI on the top wall, switches near the entry on the left wall, lights and smoke detectors on the ceiling. The result reads like a permit drawing, not a wireframe.

Every device uses the standard symbol your inspector and your apprentice already recognize: outlets, GFCI, AFCI, lights, recessed cans, ceiling fans (with and without lights), switches (single-pole, 3-way, 4-way, dimmer), smoke and CO detectors, panels, disconnects, surge protectors, and a full set of dedicated-equipment symbols (range, dryer, dishwasher, disposal, microwave, washer, water heater, HVAC). Black ink on white background, like a real permit drawing.

Switch-to-fixture lines, home runs, and 3-way and 4-way traveler wires draw themselves. Each wire type sits on its own layer, so you can hide or restyle them later in CAD.

Mouse-wheel zoom, click-drag pan, fit-to-view, 1-foot grid overlay, snap-to-grid for precise placement. The canvas grows to fit your job; rooms are never compressed to make them fit a fixed sheet.

Sidebar palette grouped by Power, Lighting, Control, Safety, and Equipment. Drag any symbol onto any room. The room highlights to confirm the drop target.

Click to select. R rotates 90 degrees. D duplicates. Delete or Backspace removes. V switches back to the select tool.

Drag the edge of a room to resize. For non-rectangular rooms (an L-shaped great room, a bumped-out kitchen) draw a custom polygon and the walls follow whatever shape you give it.

Spread rooms across multiple sheets for big jobs. Assign each room to a page and the print and PDF outputs honor the page break.

Name a room '2nd Bedroom' or 'Upstairs Bath' and the tool drops it on the second floor automatically. Single-story jobs stay on one floor with no extra setup.

Open the circuit table below the drawing and rename a circuit, change the breaker amperage or voltage, or move a device to a different circuit. The drawing and the panel schedule update as you edit. NEC minimums are enforced; you cannot drop a 240-volt circuit below a 2-pole breaker by accident.

A notes section in the sidebar for general-condition notes, AHJ-specific (Authority Having Jurisdiction) call-outs, or anything else that should print on the sheet. Click any note to edit in place. Click + to add a new line. Notes appear in both the editor and the print or PDF output.

A live count at the top of the canvas: room count, breaker slots used, total circuits, and disconnect count. A quick sanity check while you work.

When the project includes an A/C condenser, water heater, or EV charger circuit, the matching disconnect appears next to the panel on the service row, sized and placed automatically.

A panel schedule on the right side of the canvas that lists every circuit with its breaker type, amperage, and voltage. Edits in the circuit table show up here immediately.

Scalable vector file for opening in Adobe Illustrator, Inkscape, or Bluebeam. Edit the layout in any vector tool while keeping every layer and label intact.

A landscape print-ready view. Use your browser's Print dialog to save as PDF or send straight to a plotter.

Export your sketch to DXF for use in AutoCAD or LibreCAD. Walls, devices, wires, text labels, and a title block all come through on named layers (WALLS, DEVICES, TEXT, WIRES_HOMERUN, WIRES_SWITCH_LEG, and so on).

A full project export including every override on every device and circuit. Re-importable, so you can move work between machines or back up before a major change.

V (select), H (pan), G (toggle grid), S (toggle snap), R (rotate), D (duplicate), Delete (remove), 0 (fit to view), + or - (zoom), Esc (clear selection). Scroll wheel zooms at the cursor; middle-click drag pans.

Same Volt assistant from the estimator, in the sketch tool. Ask about a circuit, a symbol, an NEC requirement, or anything else; the answer references whatever you have selected on the canvas.

Import-or-fresh, Project Info, Contractor Info, Service Details, Load Calc, Circuits, Review. Every step has a Back button, so you can change a number without losing the rest of your data.

Pick any saved estimate and the wizard pre-fills the project address, customer name, square footage, stories, job type, and the full circuit list from your room calculations. You can still edit any pre-filled field on the next steps.

When the project city is Tampa, the form shows the exact subtype dropdown the Accela Citizen Access portal expects: Disconnect/HVAC, Re-wire, Fixtures and Devices, Panel/Meter Can/Riser, Photovoltaic Systems, or Safety Check. There are also fields for the TECO (Tampa Electric Company) Layout Number, violation affiliation with a CMP number, and owner-builder status.

Your company name, license number, qualifier, phone, email, and address are saved on your account and pre-fill on every new permit package. Enter them once.

The Optional Method calculation, broken into the four sections the code defines. Section A: general lighting (3 VA per sqft), small-appliance circuits (2 at 1,500 VA), and laundry (1 at 1,500 VA). Section B: fixed appliances at nameplate. Section C: cooling and heating, larger of the two. Section D: EV chargers at 100 percent. The first 10,000 VA at 100 percent, the remainder at 40 percent. Every line shows its inputs and its NEC reference.

The PDF includes a service sizing table with copper and aluminum side by side: service entrance conductor, neutral conductor, supply-side bonding jumper, and raceway size. Wire sizes come from NEC Table 310.16 (75-degree column). Bonding jumpers come from NEC Table 250.102(C)(1). Raceways are sized for 40 percent fill with a 2-inch minimum.

NEC 220.61 reduction is applied: first 3,000 VA of general lighting at 100 percent, remainder at 35 percent; 240-volt appliances at 70 percent of their connected load. The resulting neutral conductor size shows on the package.

Page 1 is the cover sheet (project, contractor, and service info). Page 2 is the NEC 220.82 calc breakdown with every section spelled out. Page 3 is the panel schedule. Page 4 is the compliance notes and signature lines. Letter size, portrait, ready to upload.

A page of pre-written notes that cite the codes the job satisfies: NEC 210.12 for AFCI in living areas, NEC 210.8 for GFCI in wet locations, NEC 406.9 for in-use weatherproof covers on outdoor receptacles, and Florida R314 for smoke alarm interconnect. Designed to answer the inspector's questions before they are asked.

Three signature blocks on the final page: contractor signature, date, and license number. Sign before you submit.

Add, remove, or edit any circuit row. Each row has circuit number, description, breaker amps, voltage, wire gauge, breaker type, and pole count. 240-volt circuits auto-set to 2 poles.

Change any input on any earlier step and click Generate again. The PDF rebuilds in seconds. The package is regenerated from scratch, not patched, so every version is internally consistent and code-compliant.

Submit a generated permit package straight to your county's permit portal from the wizard. In development. No date yet. Tampa (Accela Citizen Access) is the first integration target.

Project Info, Scope Checklist, Division Takeoff, Coefficients, Review. Each step writes to a single bid object, so you can go back at any time and change a number without losing the rest.

Upload a multi-page commercial drawing set (up to 60 pages in V1, drag-drop or browse) and Claude Sonnet 4.6 vision reads every page in narrow passes scoped to the sheet type: legend, floor plan, single-line / one-line, and panel schedule. Receptacles, switches, light fixtures, junction boxes, panels, fire alarm devices, home runs, and horizontal conduit lengths all flow into a review grid. Each row carries a CSI MasterFormat Division 26 code, a 0-1 confidence chip, the source page number, and a bounding box hint for review. Single-line diagrams are NEVER measured for length , they return equipment counts only , and vertical risers are NEVER hallucinated. A 'Approximate cost: $0.015-$0.06 per page' banner sets expectations before extraction starts.

Every page is rendered to 200 DPI then resized to 2000 px on the longest edge, with the resulting image kept under 5 MB so Claude can process it without downsampling away the small subscripts. In parallel, pdfjs-dist extracts every machine-readable text span with its bounding box , that vector text rides under a <vector_text_hints> tag in the prompt so Claude does not waste tokens trying to OCR a tiny S3 subscript that pdfjs-dist already read for free. A heuristic sheet-type classifier reads the same vector text and seeds the pass plan.

Symbols defined in the legend on page 1 (S, S3, GFCI, WP, FACP, etc.) ride along into every downstream page's prompt under a <legend_context> tag. Later pages inherit the meanings learned earlier so the same symbol on page 14 is classified the same way it was on page 1. Duplicates are deduped on merge.

Every extracted line item lands in a virtualized data grid (one row per proposal) with CSI code, category, type, quantity, unit, description, source page, confidence chip, and Accept / Reject buttons. Click a row to select it, then press Space to accept and advance, or Backspace to reject and advance. Filter chips above the grid scope the view by CSI code, category, or source page. Hundreds of rows process in minutes instead of hours of manual review.

A toolbar at the top of the review grid runs four bulk operations: Accept all rows currently in view (filter-aware), Reject N selected rows, Confirm N selected rows (clears the AI quarantine flag so PDF exports unblock), and 'Add N feet of vertical riser to selected home-runs' (the spec-recommended fix for the 2D-flat-plan-vs-3D-real-conduit problem). The riser footage is added to the LF total for every accepted home-run row in one click.

After every Claude pass, the merged draft runs through a deterministic validator that catches semantic errors the schema cannot: unknown CSI codes, non-positive quantities, receptacles tagged 'LF' or home runs tagged 'EA', confidence outside [0, 1], single-line passes that emitted a home_run (which they should never do), and the big one , 'panel_count_mismatch': if the same panel name shows up in both a floor-plan page and a single-line page with counts more than 10% apart, the validator flags it before the takeoff makes it into a bid. Each issue subtracts from the per-page score (1.0 minus 0.1/minor, 0.3/major).

Accepted line items carry industry-standard CSI MasterFormat Division 26 codes (26 27 26 wiring devices, 26 05 33 raceway, 26 24 16 panelboards, 26 51 00 lighting, etc.). On 'Apply accepted to takeoff', each CSI code is translated to the matching NECA division the engine already uses (09 Trim, 04 Above Ground Branch Raceway, 07 Switchgear, 08 Lighting, 12 Special Systems, 18 Misc), preserving the calibrated bid math. Existing manually-entered line items are never overwritten.

Every AI-imported line item carries an 'aiImported' flag and a 'quarantined' flag. The cover sheet and bid summary PDF exports refuse to run while any quarantined item is on the takeoff. A refusal modal shows the count of items pending review, with 'Open Review' (jumps back to the Division Takeoff step) and an 'Export anyway' checkbox that, when toggled, lets the export proceed with a low-confidence-items footer note. A 'Confirm all AI items' banner on the Review screen clears quarantine in one click after a final visual check.

Cancel an in-flight extraction mid-batch and the orchestrator cleanly aborts every pending Claude call. Partially-extracted pages come back with a 'PARTIAL' badge on the review header and the existing takeoff is never touched. Close the tab during review and the staging state persists in local storage , open the wizard again and the review grid is exactly where you left it.

Pick the closest match for your job: warehouse or shell, small standalone office, retail with showroom, corporate office with generator, tenant improvement, multifamily, school or healthcare, industrial, or other. The choice drives the suggested coefficients on the next steps.

Enter line items per division with quantity, unit price, and NECA (National Electrical Contractors Association) labor units in hours per unit. Same way Accubid users build a bid, in the browser instead of a desktop seat.

For divisions where a supplier already gave you a quote (light fixtures, switchgear, fire alarm), enter the quote as a single dollar amount instead of itemizing. Quoted lumps are excluded from the per-division factor adjustment.

For every line of work on a typical commercial bid, mark YES (in scope), NO (excluded), or N/A (does not apply). Pre-filled with the defaults from real commercial bids; flip whatever is different on your job. The checklist prints on the cover sheet you hand the customer, so the GC and the inspector see the same scope you did.

Three one-click presets for crew composition: all-journeyman (small or simple jobs), 50/50 journeyman + helper (mid-size jobs), or 35/33/32 journeyman + helper + Journeyman 2 (big-project blend). Or set the percentages manually.

Set base rate plus burden in dollars per hour for each role: journeyman, helper, and journeyman 2. The total burden percent shows on the cover sheet.

Sales tax percent; direct job expense (DJE) percent and basis (material plus direct labor, or material only); tools and miscellaneous percent; non-productive labor percent; overhead method (percent of prime cost or dollars per labor hour); and profit percent. Each field has a tooltip showing what the same coefficient was on real commercial bids in the calibration corpus, so you have a sanity check while you set them.

Add any number of subcontract lines (drilling pole bases, standing light poles, anything subbed out) directly to the bid. Each one shows on the cover sheet.

As you build the bid, a sidebar shows the closest matching project from the calibration corpus by square footage and building type. You see its bid total, dollars per square foot, and the delta against your current bid in real time. A reality check while you work.

The bid math is decoded from a real electrical contractor's historical bid corpus and round-trips that corpus to within $0.01 and 0.01 percent. The math is not an approximation; it matches actual jobs that were bid, won, and built.

Optional: round the final bid price to the nearest $50 or $250. The unrounded number stays available for your records.

A one-page customer cover sheet for the GC or owner, plus a four-to-five-page Accubid-style bid summary for your records. The summary shows divisions, labor, coefficients, and the math behind the final number.

A one-click 'load sample' button pre-fills the wizard with a real $748K project (Caterpillar RC Office Building, 17,300 sqft) so you can walk through the entire wizard end to end before you bid your first real job.

Same Volt assistant from the estimator and sketch tool, in the commercial estimator. Ask about a coefficient, a division, or anything else; the answer references the live bid state.