Prohibition signs
Do not extinguish with water
- IMO code
- PSS010
- ISO 7010 number
- P011
Where you will meet it
At electrical switchboards and live equipment.
What it means in practice
Do not extinguish with water. For electrical equipment you use CO2 or powder extinguishers.
Legal basis
Annex to IMO resolution A.1116(30) (adopted 05.12.2017), table of prohibition signs. Graphic pattern of the symbol: ISO 7010.
This is not a legal text: in any doubt the current wording of the resolution and regulations decides.
Download
Sign colours are normative. The file is public domain or CC0 (a Commons recreation of the symbol named by the IMO annex).