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What are the advantages of using LED?
Economy
1. LED bulbs last an average of 100,000 hours (or about ten years)
2. Withstand shocks, vibrations, frequent switching and temperature extremes that rapidly incapacitate fragile incandescent lamps
3. LED bulbs are 10 to 50 times more energy-efficient, thus reducing your operating costs by up to 90%
Beauty
LEDs produce sharp, vibrant colors; even pure white. Response times are 100 to 1,000 times faster than incandescents so there’s no flicker — just pure dramatic light.
Versatility
Every day, LEDs are replacing incandescent lamps all around the world. The only limit is your imagination.

What are the IP (Ingress Protection) Ratings of LED bulbs?
The IP Code (or Ingress Protection Rating, sometimes also interpreted as International Protection Rating) consists of the letters IP followed by two digits or one digit and one letter and an optional letter. As defined in international standard IEC 60529, IP Code classifies and rates the degrees of protection provided against the intrusion of solid objects (including body parts like hands and fingers), dust, accidental contact, and water in mechanical casings and with electrical enclosures.

The standard aims to provide users more detailed information than vague marketing terms such as waterproof. However, no edition of the standard is openly published for unlicensed readers, hence leaving space for varying interpretation.

The digits (characteristic numerals) indicate conformity with the conditions summarized in the tables below. Where there is no protection rating with regard to one of the criteria, the digit is replaced with the letter X.

For example, an electrical socket rated IP22 is protected against insertion of fingers and will not be damaged or become unsafe during a specified test in which it is exposed to vertically or nearly vertically dripping water. IP22 or 2X are typical minimum requirements for the design of electrical accessories for indoor use.