Basic Electrical Installation Work

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Strana 280 z 399

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The index protec- tion codes shown Fig. The ‘X’ used instead ‘0’ since ‘0’ would indicate that protection was given. Protected against water spraying an angle 60°.0mm, such as thin wire strips.5mm, such as a tool wire. Prevents ingress sufficient to cause harm. Dust protected. 0 0 1 2 3 4 5 6 1 2 3 4 5 6 7 8 1 METRE 2. Protected against harmful ingress of water when immersed to depth between 150mm and 1m. Protected against a solid object greater than 2. Protected against water dripping vertically, such as condensation. First number (DEGREE PROTECTION AGAINST SOLID OBJECT PENETRATION) Second number (DEGREE PROTECTION AGAINST WATER PENETRATION) Non-protected.3 Index protection codes. Prevents ingress of dust sufficient to cause harm. Dust tight.3. 13. Protected against a solid object greater than 1. Protected against water splashing from any direction. Protected against jets water from any direction. Protected against dripping water when tilted 15°. No dust ingress. .Statutory regulations and codes practice 269 Where degree protection not specified, the number replaced by an ‘X’ which simply means that the degree protection not specified although some protection may afforded. Protected against a solid object greater than 12mm, such as a finger. Protected against heavy seas powerful jets water. Protected against a solid object greater than 50mm, such as a hand. Non-protected.5mm FIGURE 13. Suitable for continuous immersion water. Protected against submersion