Basic Electrical Installation Work

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They have extensive training and will have specialist equipment with them. Construction workers and particularly electricians receive electric shocks, usually result carelessness unforeseen circumstances. Give precise directions the scene the accident. push him off with piece wood, pull him off with scarf, dry towel coat. When this happens necessary act quickly prevent the electric shock becoming fatal. All exposed metal must earthed; fuses and miniature circuit breakers (MCBs) are designed trip under fault condi- tions and residual current devices (RCDs) are designed trip below the fatal level described Chapter 4. Consumer’s isolation and protection equipment L N E Supply transformer secondary winding FIGURE 1. ● Only then should you apply resuscitation cardiac massage until the patient recovers, help arrives.g. .13 Touching live and earth live and neutral makes person part the electrical circuit and can lead to an electric shock. Actions taken upon finding workmate receiv- ing electric shock are follows: ● Switch off the supply possible. ● breathing heart has stopped, immediately call professional help by dialling 999 112 and asking for the ambulance service.30 Basic Electrical Installation Work To prevent people receiving electric shock accidentally, all circuits must contain protective devices. ● Alternatively, remove the person from the supply without touching him, e. The casualty stands the best chance survival the emergency services can get rapid response paramedic team quickly the scene. ● Treat for shock