Basic Electrical Installation Work

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The legal responsibilities both employers and employees 23 WARNING SIGNS These give safety information. 1. 1.6 Warning signs. . These are triangular yellow signs with a black border and symbol, and are given Fig. These are must not signs.7. These give safety information. They give instructions which must obeyed. FIGURE 1. These are circular blue signs with white symbol, and are given Fig. 1. MANDATORY SIGNS These are must signs.5 Prohibition signs. They give warning a hazard danger. These are square rectangular green signs with white symbol, and are given Fig. They give information about safety provision. FIGURE 1. ADVISORY SAFE CONDITION SIGN These give safety information.8.6