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Do not extinguish with water symbol: red prohibition ring and diagonal bar over a black bucket pouring water onto a fire
ISO 7010-P011

Sign type set by Directive 92/58/EEC (Annex II) and the UK Health and Safety (Safety Signs and Signals) Regulations 1996 (Schedule 1); pictogram drawn to ISO 7010, which both allow.

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Prohibition signsSafety and compliance marksSafety signs (ISO 7010)

Do not extinguish with water

Red prohibition ring and diagonal bar over a black bucket pouring water onto a fire. · also called “P011”, “do not extinguish with water”, “no water on fire”, “water not to be used on fire”

What the Do not extinguish with water symbol means

Never use water on a fire here

Water must not be used to put out a fire in this area or on this equipment, for example because of electrical equipment or materials that react with water. Use the extinguisher type intended for the hazard instead.

Source · Standard ISO 7010 Graphical symbols — Safety colours and safety signs — Registered safety signs · checked

Where it appears

  • ISO 7010
    —This meaning

Questions about the Do not extinguish with water symbol

What does the Do not extinguish with water symbol mean?
Water must not be used to put out a fire in this area or on this equipment, for example because of electrical equipment or materials that react with water. Use the extinguisher type intended for the hazard instead.
What does the Do not extinguish with water symbol look like?
Red prohibition ring and diagonal bar over a black bucket pouring water onto a fire. It is also called “P011”, “do not extinguish with water”, “no water on fire” and “water not to be used on fire”.
Which standard defines the Do not extinguish with water symbol?
It is listed as ISO 7010-P011.

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