ISO P031 Do not alter the state of the switch Sign
Code: P031
Source: https://commons.wikimedia.org/wiki/File:ISO_7010_P031.svg
Creator: ISO
License: Public domain
Source metadata retrieved: 2026-10-02
PNG conversion: rasterized from the local reference artwork, fitted proportionally on a 1024 by 1024 white canvas.
Reference artwork only. Verify the source license and governing standards before production use.
Reference page: https://safetysymbols.org/prohibition/iso-p031-do-not-alter-the-state-of-the-switch/