Free online electrical single-line diagram editor, with AI.
Free · per-user daily AI usage limit
- Draw. Drag bus, breakers, transformers, motors, panels onto a snap grid. Wires route themselves.
- Ask. “Add a 200 A panel with six GFCI breakers off the main bus.” The assistant edits the diagram in place.
- Scan. Paste a photo of a hand-drawn one-line. The assistant extracts the topology so you can clean it up.