Smart switch neutral-wire checklist: answer the short questions below, then use the result to verify the exact product and installation requirements.
Run the check
Many smart wall switches require a neutral conductor, but requirements vary by exact model. Do not infer one from wire color alone. A multiway circuit, dimmable load, minimum load, box depth or local code may change what is suitable. Turn off power before any inspection and use a qualified electrician when unsure.
How to read the result
This checklist does not inspect wiring or certify an installation. Manufacturer wiring diagrams and local electrical requirements control the final decision.
Confirm the exact US model number and current manufacturer instructions before installation or purchase. A checklist outcome is a prompt for verification, not a certification.
Next step
Reference material
- Leviton — Decora Smart Matter model list Reviewed 2026-10-30