The PV4 safety sign indicates that water must not be used as an extinguishing agent in the designated area. This sign is critical in environments where specific flammable materials, such as certain chemicals or electrical equipment, could react dangerously with water. By clearly displaying this sign, it helps prevent improper firefighting methods that could exacerbate a fire or create hazardous situations. The PV4 sign serves as a vital reminder for workers to follow proper fire safety protocols and use appropriate extinguishing agents, ensuring a safer workplace and reducing the risk of fire-related incidents. Water Prohibited as Extinguishing Agent safety sign. This sign indicates that water should not be used as a fire extinguishing agent. This sign is used in areas where Electricity, Flammable Liquids, Greases, Gas and Combustible Metals (sodium, titanium, magnesium, etc) are used and should not be extinguished with water.
Used in conjunction with (WW 7) Beware of Electric Shock s
