The legal responsibilities both employers and employees
27
Fire extinguishers are for dealing with small fires, and different types of
fire must attacked with different type extinguisher. The normal procedure when deal-
ing with electrical fires cut off the electrical supply and use extin-
guisher which appropriate whatever burning. Figure 1. can kill human beings and livestock and should therefore
be treated with the greatest respect.10 shows the
correct type extinguisher used the various categories fire.
Electrical safety and isolation
Electrical supplies voltages above extra low voltages (ELV) that is,
above 50V a.c.
Paper, wood
and fabric Yes Yes Yes Yes
Yes Yes Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No No
Yes
Yes
Yes
No
No
No
Class B.
Flammable
gases
Electrical
fires
Motor
vehicle
protection
(i) (ii) (iii) (iv) (v)
Water
Signal red
flash red
Pale cream
flash red
French blue
flash red
Black
flash red
Emerald green
flash red
Foam Carbon
dioxide gas
Vapourizing
foam
Dry powder
FIGURE 1.10
Fire extinguishers and their applications (colour codes EN3: 1996).
Flammable
liquids
Class C. Using the wrong
type extinguisher could make matters worse. The
colour coding shown accordance with EN3: 1996. The base colour all fire
extinguishers red, with different coloured flash indicate the type. For example, water must
not used liquid electrical fire.
. electrician working electrical
installations and equipment, you should always make sure that the supply
Type of
fire
extinguisher
Type of
fire
Class A
