Basic Electrical Installation Work

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Strana 280 z 399

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Protected against water spraying an angle 60°. Protected against heavy seas powerful jets water. Protected against a solid object greater than 2. Non-protected. Protected against jets water from any direction. First number (DEGREE PROTECTION AGAINST SOLID OBJECT PENETRATION) Second number (DEGREE PROTECTION AGAINST WATER PENETRATION) Non-protected. .3. Prevents ingress sufficient to cause harm. Suitable for continuous immersion water.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 water dripping vertically, such as condensation. Dust tight. 0 0 1 2 3 4 5 6 1 2 3 4 5 6 7 8 1 METRE 2.5mm, such as a tool wire. Protected against a solid object greater than 12mm, such as a finger. Prevents ingress of dust sufficient to cause harm. 13. The index protec- tion codes shown Fig.5mm FIGURE 13. Protected against water splashing from any direction. Protected against submersion.3 Index protection codes. Protected against a solid object greater than 1. Protected against harmful ingress of water when immersed to depth between 150mm and 1m. The ‘X’ used instead ‘0’ since ‘0’ would indicate that protection was given.0mm, such as thin wire strips. Dust protected. No dust ingress. Protected against a solid object greater than 50mm, such as a hand. Protected against dripping water when tilted 15°