https://buildings.honeywell.com/it/it/products/by-category/electrical-and-wiring/wiring-devices/accessories/electrical-plugs/plugs-and-adapators-safetyplugs
Plugs & Adapators, Safetyplugs|Honeywell Building Automation
13A Safety Plug with non-standard T shaped earth bar.
honeywell buildingplugsautomation