Basic Electrical Installation Work

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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. . The normal procedure when deal- ing with electrical fires cut off the electrical supply and use extin- guisher which appropriate whatever burning. Using the wrong type extinguisher could make matters worse. The colour coding shown accordance with EN3: 1996.10 Fire extinguishers and their applications (colour codes EN3: 1996). 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.c. The base colour all fire extinguishers red, with different coloured flash indicate the type.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. For example, water must not used liquid electrical fire. can kill human beings and livestock and should therefore be treated with the greatest respect. Figure 1. Electrical safety and isolation Electrical supplies voltages above extra low voltages (ELV) that is, above 50V a. Flammable liquids Class C.10 shows the correct type extinguisher used the various categories fire. electrician working electrical installations and equipment, you should always make sure that the supply Type of fire extinguisher Type of fire Class A