Symbol 6183 from IEC 60417 - Title/Meaning: Installation, mechanical expertise Function/description: To identify mechanical equipment and products that for the installation of the so marked or indicated product particular mechanical expertise is required.
Additional information: 
To be used in a revised edition of IEC 82079-1 Ed. 1.0.;[;2013-02-08: 3C/1852/CD;2013-05-29/30: MT 60417;2013-05-31: 3C/1865/CC;2013-06-07: 3C/1866/CDV;2013-09-20: 3C/1888/RVC]
Own work using: iso.org/obp/graphics/grs/31d7d645-797a-4b84-84b8-274de7439213 200.png
Vectorization:  Mrmw