Circuit Mapper

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Devices labeled
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Unidentified circuits
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Panels
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Circuits in use
0 outlets 0 switches 0 lights

How to identify a circuit

  1. Add every outlet, switch, and light on the Devices tab (or Quick-add during Walkthrough).
  2. Plug a lamp or circuit tester into an outlet and switch it on.
  3. Flip one breaker OFF, walk around, and note everything that went dead.
  4. Enter that breaker's panel and circuit number for each dead device — Walkthrough saves it instantly.
  5. Repeat breaker-by-breaker, then print Labels and stick them on devices and in each panel.
DeviceTypeRoomPanelCircuitPolesBreaker ANotes
🔌
Panel Circuit # Breaker A

Tracing tip

For switches and lights, have a helper flip each one while you watch the panel. A breaker finder / tone tool also works — just record its number here either way. 2-pole (240 V) breakers span two numbers; type them like 30-32.

Paper version: devices grouped by room with empty Panel / Circuit columns to fill in while you flip breakers room by room. Each row's QR opens that device on your phone.

Room order

Revision history

The server keeps the last 20 saves. Restoring publishes the chosen revision as a new save — nothing is lost, and you can restore right back.

Label sheet

Prints a 4-column sheet — use address labels (e.g. Avery 5160 layout, scaled), plain paper + clear tape, or a label printer. Each label carries the device, room, panel + circuit, and a QR that reopens it in this app.