okay DD i admit I was only describing for vehicles over
7.5tn is this any better
ADR para 8.1.4 concerns fire extinguishers. The table below sets out a summary of the minimum requirements. Note that dry powder extinguishers are specified because it is known that they are suitable for tackling fires of class A (solids such as wood, paper etc), class B (fires involving liquids) and class C (fires involving gases).
Vehicle (max permissible mass) Minimum dry powder fire extinguisher provision
Up to 3.5 t 2kg for cab
plus 2 kg
vehicles
over 3.5 t and up to 7.5 te 2 kg for cab
Total 8 kg (usually one 6 kg but other provision is acceptable as long as there is one 6 kg)
vehicles
Over 7.5 te 2 kg for cab
Total 12 kg (including at least one 6 kg)
and this little addition
Any vehicle carrying dangerous goods under the” small load” limit or carrying only infectious substances
all this was taken from this LINK
ME I ACT LIKE A BOY SCOUT ; be prepared better too much as not enough,