Circuit Lab

Scroll zoom · Space+drag pan · drag empty canvas · double-click box

Parts

Box fill

Add a junction or device box — fill is computed from cables and mounted devices.

Inspector

Cables are directed like Node-RED: drag from a host's right (LOAD out) to the next host's left (LINE in). Open a box to land conductors.

Reference only — verify against the NEC edition and local amendments for your jurisdiction.