• LED lighting frequently asked questions

    What is the LED?

    A light emitting diode (LED) is a semiconductor device that emits visible light when electrical current passes through it, it is a special kind of diode.

    What color of light can LED emit?

    Light color is associated with the light wavelength. LEDs made with different semiconductor materials emit lights in different wavelengths. LED light wavelengths range from 400
    nanometers (blue) to 800 nanometers (red). The colors of popularly available LEDs in the market are white (2600K~6500K) and RGB color changing.

    The Importance of Class 2 in LED Lighting Systems?

    When choosing an LED driver, it is important to understand the level of safety standard compliance to create the safest possible LED lighting management system. Products are marked with designations for a reason, assuring consumers of product status as safe items, noting components requiring additional safety measures, and registering whether the energy output is safe to human touch. The designations that consumers will want to understand and look for include:

    • UL Listed
    • UL Recognized Component
    • UL Class 1
    • UL Class 2

    UL Listing and UL Recognized Designations

    UL is a global independent safety science company with more than 120 years of expertise innovating safety solutions. The company advises, audits, certifies, educates, inspects, tests, validates and verifies to maintain safety standards and compliance in manufacturing. When UL has tested
    representative samples of a product and determined that it meets UL’s published, nationally-recognized Standards of Safety requirements, the product is given a UL Listed designation. The designation UL pertains to the United States, and cUL is the Canadian designation.

    While a UL listing designates that a product has been tested by UL, meets nationally recognized safety standards, and has been found free from reasonably foreseeable risk of fire, electric shock and related hazards, another similar-looking designation means something slightly different. UL
    Recognized Component Marks verify that a product has been tested, but that it is a part or component of a larger product. Components can be used to complete or add to end products and systems, but additional installation precautions may be necessary to ensure safe use. It is important to understand how UL Recognized items work to implement the items safely.

    Class 1 and Class 2: Why They Matter?

    When an LED driver is listed as UL Class 2, it complies with UL standard UL1310 indicating that energy output of the device is safe to touch with no major safety protection required. A UL Class 2 listed item will not carry a risk of fire or electric shock at the LED and luminaire level, operating below 60 volts in dry applications, 30 volts in wet applications, 5 amps, and 100 watts.
    This safe output restricts the number of LEDs the Class 2 driver can run, but will be safe for use without additional safety measures in place.

    UL Class 1 drivers, on the other hand, possess output ranges that exceed UL Class 2 guidelines. Class 1 drivers have high-voltage output which requires safety protection within the LED lighting fixture. Class 1 drivers can run a higher number of LEDs than a Class 2 driver, making it more efficient in terms of energy output, but as such requires putting additional safety measures in place.

    Is 24VDC brighter than 12VDC?

    Typically, no. The wattage and the efficiency of the LED determines the LED Brightness. We use efficiency LED watt per lumens ratio.

    Is the LED Flex Strip Dimmable?

    How to rejoin RGB LED Strip Light?

    How to troubleshoot RGB(W) LED Strip?

    Please follow following trouble shooting guide for RGB(W) LED Strip. This is to test if there are any issue with RGB(W) LED Strip. Test the voltage of the regulated class 2 power
    supply with a voltage meter to make sure the correct voltage.

    1. Disconnect RGB(W) LED Strip from LED color controller. The RGB(W) strip will be directly powered by the class 2 driver to see if there are issues with RGB(W) LED Strip
    2. Use the respective 12VDC or 24VDC class 2 regulated driver according to 12VDC or 24VDC strip.Connect positive(+) wire to black(+) polarity wire on the RGB(W) LED Strip. See diagram 1. Connect negative(V-) wire to green wire on the RGB(W) LED Strip. RGB(W) LED Strip
      will turn green. See diagram 2.


      Diagram 1 Diagram 1

      Diagram 2 Diagram 2

    3. Repeat this process for all colors connecting respective wire colors. If all colors light(pass test) then there is an issue with RGB color controller.Diagram 3 Diagram 3Diagram 4 Diagram 4
    4. Warning: Please make sure to trace back the wire directly to the RGB(W) LED Strip connection pads to confirm that connection pads connected to respective wires

    Can the LED Flex Strip be Cut and rejoined?

    What are the advantages of LEDs compared with conventional incandescent lights?

    There are several obvious advantages LEDs have over traditional incandescent light bulbs, they are as follows

    How do I estimate my custom LED Lighting?

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