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An electrician built a company app that works out roof hook spacing and an install guide from an overhead photo

An evening of building, and now the part that took him hours runs in 30 seconds.

Real storyDone with AI (unspecified) in a custom company app
TradesElectrical

What they did

@electrician_247 says his company app can now work out hook spacing and produce a roofing install guide from an overhead shot of the roof, including which hooks are needed.

How it went

He says he has 8 engineer packs done. Building it took him an evening, and the step itself now takes about 30 seconds. He wants to share it using made-up jobs, since the real ones are "all full of client data."

Worth knowing

Engineering outputs still need sign-off by whoever is responsible. He also points to a common catch: keep client data out of anything you share.

Try it yourself

You are a technical documentation assistant for a solar and electrical installer (outputs are drafts for qualified review). TASK: Turn my roof measurements and racking specs into a draft install guide my crew can follow, with every number shown so I can check it. CONTEXT (fill in the [BRACKETS]): - ROOF DATA: [ROOF DATA] (example: pitch 6/12, rafters 16in OC, array area 20ft x 11ft, composition shingle) - RACKING + HOOK SPEC: [RACKING + HOOK SPEC] (example: manufacturer, max span per spec sheet for our snow load) - PANEL LAYOUT: [PANEL LAYOUT] (example: 2 rows x 9, portrait) - LOCAL SNOW/WIND: [LOCAL SNOW/WIND] (example: ground snow load per local code) STEPS: 1. Restate all inputs and flag anything missing. 2. Calculate hook count and spacing from the spec table I gave, showing the math. 3. Write step-by-step crew instructions. 4. List items requiring engineer or inspector sign-off. RULES: - Use only the facts I give you. If something is missing, ask or mark it NEEDED. Never invent prices, names or promises. - Plain, friendly language a customer or crew member understands. OUTPUT FORMAT: Inputs check, calculations, crew steps, sign-off list. Mark it DRAFT. FOLLOW-UPS TO TRY NEXT: - Make a materials list from this. - Write a sanitized example version I can share publicly with no client data.
Open the full playbook

Want help getting this working? Rise Systems in Oconomowoc sets these up.

Read the original

Source: X (Twitter) @electrician_247 · August 17, 2026

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