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  • What Is a BUG Rating?

    You may be thinking “what do insects have to do with lighting?” Although insects are fondly attracted to bright lights during the night, the term &l..more+

    2017-10-23
  • When choosing LED lighting fixtures,you need to consider

    Kelvin temperature- a more precise measure of the shade of white light. LED light can be selected in many different Kelvin temperatures from a very warm white t..more+

    2017-10-13
  • How LEDs are Different

    LED lighting is very different from other lighting sources such as incandescent bulbs and CFLs. Key differences include the following:

    Light Source: LEDs are t..more+

    2017-10-12
  • COMMERCIAL & INDUSTRIAL LED LIGHTING DESIGN

    COMMERCIAL & INDUSTRIAL LED LIGHTING DESIGN
    Perhaps the most important step in any lighting project is the design work done prior to installation. At CKRA Light..more+

    2017-10-11
  • What is Luminous efficacy and Efficiency?

    You may take it granted that these two words are the same in detail lighting feature. Yes ? Acturally they are different.
    Luminous efficacy is a measure of how..more+

    2017-10-09
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