All About Light Bulb IP Ratings
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All About Light Bulb IP Ratings
(Summary description)All About Light Bulb IP Ratings
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- Time of issue:2020-07-18
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Understanding IP Ratings
IP ratings indicate a light bulb's ability to protect against the intrusion of solid objects and moisture . A breakdown of the protection levels required to receive each number rating is summarised as below:
Rating Size of object Level Of Protection
0 No protection against contact and ingress of objects, or not evaluated
1 greater than 50 mm in diameter protection for any large surface of a human body,such as the back of a hand but no protection against deliberate contact with a body part
2 greater than 12.5 mm in diameter protection for fingers or similar objects
3 greater than 2.5 mm in diameter protection against tools , thick wires, etc.
4 greater than 1.0 mm in diameter protection against most wires , screws,etc.
5 Dust-proof Ingress of dust is not entirely prevented, but it must not enter insufficietn quantity to interfere with the satisfactory operation of the equipment;complete protection against contact.
6 Dust-tight No ingress of dust;complete protection against contact
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