Can powder fire extinguishers be used indoors?
BS 5306-8 Clause 5.4. 3 states that powder extinguishers should not be used indoors unless specified by a health & safety risk assessment. Powder extinguisher have many problems. They are messy and reduce visibility within a confined area so they can jeopardise escape and rescues.
How do you dispose of fire extinguisher powder?
Powder. You must dispose of a powder fire extinguisher professionally. You can do this by taking it down to your local recycling center where they will be able to dispose of it for you. As an alternative, you can take yours to a Household Hazardous Waste collection site (HHW).
When should you not use a CO2 fire extinguisher?
Dangers: CO2 extinguishers should not be used on fires involving solid materials, such as paper, wood and fabric, and also are not suitable for use on flammable gases. How it works: The CO2 works by cutting off the fire’s oxygen supply. This then smothers it and, as it does so, extinguishes the flames.
What is the difference between ABC and CO2 fire extinguisher?
CO2s are designed for Class B and C (flammable liquid and electrical) fires only. Carbon Dioxide is a non-flammable gas that extinguishes fire by displacing oxygen, or taking away the oxygen element of the fire triangle.
When should you not use a dry powder fire extinguisher?
Dry powder extinguishers should never be used on the following fire types: Class F fires – cooking oils: such as olive oil or butter. Typically a chip-pan fire. Electrical fires: if the voltage exceeds 1000v.