Certification and Definitions

Understand the certifications behind our Citadel products. Explore detailed definitions to ensure compliance and confidence in your lighting solutions.

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Ensure Compliance and Confidence with Citadel Lighting Certifications

  • UL File Recognized Components

    A red circle with the word ul on it

    Listed wet location components with SLP’s written authorization this information is available for inclusion into your UL Files. Customer is responsible for all related costs as well as on site inspections.

    • UL 5VA: Flammability Test, will not melt or burn
    • UL (f1): Suitable for outdoor use with respect to exposure to Ultraviolet Light, Water Exposure and Immersion in accordance with UL 746C.

  • NSF

    The nsf component logo is a blue circle with white letters.

    Tested and Certified by NSF International NSF/ANSI Standard 2: Splash Zone Application


    Splash Zone: Wet or damp process areas; high pressure purging and/or decontamination used in the process; areas using hose washdown

  • IP69 / IP69 vs IP69K

    A red sign that says `` ip69 certified '' on it.

    Protected against close-range high pressure, high temperature spray downs


    What is IP69/69K

  • IP67

    A blue sign that says ip67 certified on it.

    Totally protected against dust. Protected against the effects of temporary immersions between 15cm and 1m. Duration of test is 30 minutes.

  • IP66

    A blue sign that says `` ip66 certified '' on it.

    High pressure host test 100 liters of water per minute shot from 1 meter away immediately after de-energizing the unit. Duration of test is 3 minutes.

  • IP65

    A yellow sign that says ip65 certified on it.

    Low pressure hose test, dust tight and protected against strong gets of water.

  • NEMA 4x

    A black and white logo for ninja 4x on a white background

    Indoor or outdoor use primarily to provide a degree of protectin against corrosion, windblown dust and rain, spashing water, hose-directed water, and damage from external ice formation.

  • RoHS

    A green sign that says rohs compliant on it.

    Restriction of Hazardous substances Directive: this directive restricts the use of size hazardous materials in the manufacture of various types of electronic and electrical equipment.

  • Citadel Guardian Seal

    The logo for guardian seal is a gold seal with the words `` guardian seal '' written on it.

    A unique combination of SLP’s Injection Molded lenses and high performance “poured in place” gasket. This provides the most advanced sealing system available.


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  • DLC

    Dlc qpl listed logo on a black background

    The DesignLights Consortium® (DLC) is a non-profit organization dedicated to accelerating the widespread adoption of high-performing commercial lighting solutions. The DLC promotes high-quality, energy-efficient lighting products in collaboration with utilities and energy efficiency program members, manufacturers, lighting designers, and federal, state, and local entities. Through these partnerships, the DLC establishes product quality specifications, facilitates thought leadership, and provides information, education, tools and technical expertise.


    DesignLights Consortium Qualified Products List


    • DLC QPL: DesignLights Consortium® Qualified Products List indicates that certain items are tested as Solid State Lighting products have been DLC qualified and are listed on the QPL