House outline (for indoor use only)
The equipment is designed primarily for indoor use. Use it indoors unless its manual says otherwise.
Symbol reference: IEC 60417-5957
A mark tells you what the maker declares, never that the product is safe.
- What it looks like
- The outline of a house with a pitched roof and a chimney on one side, and nothing inside it.
- Who may apply it
- The equipment maker, on electrical equipment it designed primarily for indoor use.
What it does not promise
It does not tell you how the item copes with water or dust. That is the job of an IP code such as IP44, which you can decode on our IP-code page. The symbol only says what the maker designed the item for.
Sources
Each page below was fetched and read on the date shown. Where a symbol’s IEC 60417 or ISO 7000 number is given, a public page listing that number is among them.
- Wikimedia Commons: File page transcribing IEC 60417 entry 5957 (title, function, publication) — Symbol 5957 from IEC 60417, “For indoor use only”: to identify electrical equipment designed primarily for indoor use. Checked 2026-09-24.
Written in our own words; quotations are the sources’ wording.