Free
$0a month
For the jobs you bid now and then.
- Jobs, panels, and bids from your own prices: everything on this page
- 2 bids a month sent to customers, marked “Made with WireWhy”
- 200 MB for site photos and files
Describe the house. Send the bid.
Price the job on your phone, at the customer's: list the rooms or the small jobs, and WireWhy lays out the panel to the NEC, counts the materials, and prices them from your own list. Before you leave, the customer has the link and accepts.
No card. Full Pro for 14 days, then 2 quotes a month free, for good.No card needed, no trial clock. When the beta ends, nothing is deleted. Watch a whole job →
Poland PN-HD 60364 · Germany DIN VDE 0100, DIN 18015 · Brazil NBR 5410 · United States NEC 2023
Your prices, your logo, your margin
An example job, as Pro priced it
United States · NEC 2023- Rooms
- 12
- Panel
- 15 circuits 15 GFCI or AFCI
- Quote
- $14,904.65
| Panel and breakers | $1,136.50 |
| Wire | $866.65 |
| Devices and boxes | $501.20 |
| Low voltage: data, TV, and alarms | $640.30 |
| Labor | $11,310.00 |
| Permit and fixed items | $450.00 |
| Total | $14,904.65 |
The customer gets it as a link with your logo and accepts it on the phone.
The panel is checked before it is priced
Each circuit gets its breaker and wire from its load and length, GFCI and AFCI where the NEC asks, and WireWhy's circuit simulator checks the whole panel. The bid is counted from this panel, so you send a panel you can stand behind.
What the simulator found on the example job's panel:
240.4(D)15 circuits, each breaker within what its wire allows (240.4(D))VD 2.81 %the largest voltage drop at the far end of any circuit (the 3 % design target of 210.19)0.005 s ≤ 5 sthe slowest clearing of a short circuit or a ground fault at a circuit's far end, against the limitGFCI × 12 · AFCI × 715 circuits with GFCI or AFCI protection (210.8, 210.12)NEC 2023the standard it planned to; its assumptions are listed in the job
A proposal for you to check: the design, the tests, and the signature stay yours.
How it works
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Describe the house
Pick the building, the service, and the rooms, in feet and square feet. Each room comes with the receptacles, lights, and switches the NEC asks for, and you can change any number. Add the range, the dryer, the water heater, or the EV charger.
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Price it from your list
Materials and labor counted from the panel and priced from your own list, with your margin and your sales tax. Change a quantity, remove a section, add a row: the bid keeps what you typed.
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Send it before you leave
By e-mail, while you are still on site: a page with your logo, the quote, the drawings, and the panel itself, live. The customer switches a breaker off, sees what loses power, and accepts on the phone; you see the answer in the job.
- The quote with your logo: a summary by section, or every item. Never your price list, margin, or hours.
- The drawings as PDF: wiring diagram, single-line diagram, and board layout.
- The panel itself, live: switch a breaker off and see which rooms go dark.
- Accept, or ask a question. The job is marked won and you are notified; the link works for 7 to 60 days, and you can revoke it.
Small jobs, without drawing a panel
A receptacle added, a GFCI swapped in, an EV charger circuit. Pick the tasks from your own list; each is a bundle of materials and labor, or your flat rate ("a receptacle is $95"). The customer sees one line per task.
- Every task is priced from your US list: NM-B by the foot, old-work boxes, breakers by type, labor per outlet.
- Ungrounded 2-wire receptacles? Adding one shows a warning and offers a GFCI as a quote row (406.4(D)).
- Fill it in on a phone at the customer's door.
- Add a receptacle on an existing circuit ×2$232
- Replace a receptacle with a GFCI ×2$226
- EV charger circuit: 50 A 2-pole GFCI, 6-3 NM-B, 14-50, 30 ft$540
- Permit and inspection$250
Total, before sales tax$1,248
The whole quote on a phone
One take on a phone: from walking in to a bid the customer accepts on their own phone, a Texas house on its panel.
- The house, its two panels, and a photo of the old one, taken in the room
- The bid from your prices, panel by panel, with sales tax and the garage as an option
- Sent by e-mail before you leave; the customer asks, you answer, they accept on their phone
Start free. Pro when you bid every week.
Everything on this page works on both plans, in US dollars; Pro lifts the limits. Try it for 14 days first; no card is asked for.
Free during the open beta
Everything on this page is free while Pro is in open beta. After it, Pro will cost what is shown below; we will tell you at least 30 days before the beta ends.
After the beta
Pro
$29a month, plus sales tax
or $290 a year: two months free
For a contractor who bids every week.
- Unlimited bids sent to customers
- Only your brand: no “Made with WireWhy”
- 2 GB for site photos and files
14 days free, no card
No card. Full Pro for 14 days, then 2 quotes a month free, for good.
No card needed, no trial clock. When the beta ends, nothing is deleted.
Questions
Who is responsible for my customers' data?
You are the controller of your customers' names and addresses; WireWhy processes them for you under a data processing agreement (DPA) that is part of the Pro terms. Another firm never sees your jobs. You can export a job or delete it, and deleting the workspace deletes everything in it.
Which rules does it follow?
The NEC (2023) for a dwelling on a 120/240 V service: the required circuits (small-appliance, laundry, bathroom, garage), receptacles along the walls, GFCI and AFCI protection where 210.8 and 210.12 ask, wire by 240.4(D) and voltage drop, and the service by the 220.82 calculation. In Poland, Germany, and Brazil, their own rules. It is a proposal for you to check: the design, the tests, the permit, and the signature stay yours, and your local amendments too.
Can I use my own prices?
Yes. You start with example prices in dollars, marked "example" wherever they are used, and type your own as you go: breakers, NM-B per foot, devices, boxes, labor per outlet or by the hour, a flat rate per task. The margin on materials and your sales-tax rate are yours too.
What if my panel is different?
Change it. Open the panel on the canvas and move, add, or remove breakers: the quote is counted from the panel, so it follows. A quantity you typed yourself is kept and marked as yours.
What happens after the trial?
Nothing is lost: your jobs, prices, and quotes stay in your account. Without Pro you can still share 2 quotes a month, with "Made with WireWhy" on the customer's page.
What happens when the beta ends?
Nothing is lost: your jobs, prices, and quotes stay in your account. We tell you at least 30 days before; you then choose Pro, or keep sharing 2 quotes a month with "Made with WireWhy" on the customer's page.
Working in another country?
Pro follows the rules of Poland, Germany, Brazil, and the United States today. More countries will come as we add their national requirements. Tell us where you work: the countries asked for most come first.
Send your next bid before you leave.
Start free Join the open beta: Pro freeWireWhy Pro is a planning and quoting tool. The design, the work, the permit, and the inspection remain the responsibility of the licensed electrician.
Learning the trade, or teaching it?
The WireWhy simulator is free: wire a board, switch it on, break it, and find out why. With exercises that check themselves, for apprentices and teachers.
Open the free simulator →