The Australian standards for Fire Extinguishers are:

• AS 1841 (Design and performance)
• AS 1851 (Maintenance)
• AS 2444 (Installation)

No, Under the Australian Standards you must be a competent person trained and skilled (Some states require Licencing EG QLD).

BUT a domestic fire extinguisher should be looked at to see if the extinguisher is still registering full and in the Green.  

There are 6 classes of fires.

• Class A – Ordinary combustibles
• Class B – Flammable liquids
• Class C – Flammable gases
• Class D – Combustible metals
• Class E – Electrical equipment
• Class F – Cooking oils and fats

Most extinguishers these days are completely RED in colour with the bands on the extinguisher are different colours

• White – Dry Chemical Powder
• Black -Carbon Dioxide
• Red – Water (No Band)
• Blue – Foam
• Oatmeal – Wet Chem
• Yellow – Vaporising Liquide

Dry Chemical powder and a fire blanket 1.8 x 1.2, 1 or 2Kg with hose.