Basic Electrical Installation Work

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Strana 280 z 399

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Protected against harmful ingress of water when immersed to depth between 150mm and 1m. First number (DEGREE PROTECTION AGAINST SOLID OBJECT PENETRATION) Second number (DEGREE PROTECTION AGAINST WATER PENETRATION) Non-protected. 0 0 1 2 3 4 5 6 1 2 3 4 5 6 7 8 1 METRE 2.5mm FIGURE 13. 13. Protected against water splashing from any direction.0mm, such as thin wire strips. Protected against water spraying an angle 60°. Protected against a solid object greater than 2. Prevents ingress sufficient to cause harm. Protected against a solid object greater than 50mm, such as a hand. Protected against water dripping vertically, such as condensation.3 Index protection codes. Suitable for continuous immersion water. Protected against a solid object greater than 12mm, such as a finger. Prevents ingress of dust sufficient to cause harm.3. Dust protected. Protected against a solid object greater than 1.5mm, such as a tool wire. Protected against submersion. The ‘X’ used instead ‘0’ since ‘0’ would indicate that protection was given. 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. Dust tight. The index protec- tion codes shown Fig. Non-protected. . Protected against jets water from any direction. Protected against dripping water when tilted 15°. Protected against heavy seas powerful jets water