High Bay Linear Vapor Tight Light Fixture

    For high or low ceiling or wall mount applications our domestically manufactured High Bay Linear Vapor Tight Light Fixture accommodate T5 and T8 LED and Fluorescent lamps rated for long life, energy efficiency, uniform lumen distribution, improved efficacy, and more usable lumens per watt.


    • UL Listed. File #: E319552. Suitable for indoor, outdoor, or wet locations.
    • Fast installation saves time and reduces labor cost.
    • Reliable, durable, maintenance free performance!
    • Meets the requirements of the 2023 National Electrical Code: Articles 410.10(A), 410.104(A), 410.130(G)(1), 547.4 and 547.22 and 23.
      • NOTE: EPCO Vapor Tight Light Fixtures do not meet provisions for:
        • Class I Locations - where flammable vapors and glasses may be presents.
        • Class II Locations - where combustible dust may be found
        • Class III Locations - hazardous because of the presence of ignitable fibers.
    • Ingress Protection – Dust and moisture resistant luminaire; suitable for use in wet locations where high-power pressure wash-down is required. LED Luminaires are NEMA 4X, IP65, IP66, and IP67 rated.
    • Continuous “poured-in-place” closed cell polyurethane gasket completely seals the luminaire from dust and moisture.
    • Luminaire Mounting Hardware allows the contractor to pre-install the mounting brackets to the mounting surface without drilling into the luminaire housing.
    • Impact resistant acrylic diffusers withstand breakage from high power pressure washers; lowers replacement and maintenance costs.
    • Solid reinforced luminaire housings provide strong rigidity with no deflection. The luminaire housing is rated 5VA-F1 fiberglass.*
    • Stainless Steel Latches only.
    • 100% factory tested before shipping. No contractor callbacks!
    • Two (2) 1/2” trade size knockouts on each end of the luminaire housing accommodates standard conduit fittings.
    • Warranty: 5 Years


    1. *Quantified and tested by Underwriters Laboratories, reference UL 746C.
    2.  High Bay Linear Vapor Tight Light Fixtures are only available in 4-foot lengths!
    3. Two (2) High Bay Linear Vapor Tight Light Fixtures is the minimum order quantity. EPCO will not ship any High Bay Light Fixtures that do not meet the minimum order quantity requirement!

    SHIPPING WEIGHT (approximate):

    • 4-Foot High Bay Fluorescent Light Fixture: 23 Lbs. (10.43kg)
    • 4-Foot High Bay LED Lamp Light Fixture: 23 Lbs. (10.43kg)

    NOTE: Ship weights are based on standard part numbers.


    Lamps (Not included) Accommodates T5 or T8 LED Lamps, or T5HO or T8 Fluorescent Lamps
    Ship Weight (Approximate) 23 lbs.
    Applications Dry, Damp, or Wet Environments
    Operating Voltage 120 - 277 @ 60 Hz
    Ballast Type/Minimum Starting Temperature (Fluorescent Lamps only)

    Electronic T5 or T8 Class P Thermally Protected and CEE NEMA Premium Compliant:

    • T5HO - High Output*: -20°F (-28°C)
    • T8 - Standard Output Ballast: 0°F (-17°C)
    • T8 - High Ballast Factor (HBF)**: -20°F (-28°C)

    **High Ballast Factor (ballast) can operate a standard T8 Fluorescent Lamp to perform at a higher wattage thereby improving lumen performance in cold weather environments. 

    Diffuser LED Lamps: Clear Ribbed | Fluorescent Lamps: Frosted Ribbed
    Industry Certifications ETL Listed
    Ingress Protection Rating IP65, IP66, and IP67
    Warranty 1 Year


    A B C D E
    6.125" 14.6" 3.0" 49.5" 51.5"




    Ship Weight: 23 Lbs.

    NOTE: Dimensions "E" reference the 1/2" trade size knockouts on each end of the luminaire.

    Engineered Products Company (herein known as EPCO) warrants that it will repair, replace or refund, at EPCO‘s sole option, any T8 LED Tube Linear Luminaire including the T8 LED lamps that are defective in materials or workmanship for a period of one (1) year from the date of original purchase. During the second (2nd) year through the fifth (5th) year the T8 LED lamps warranty is the direct responsibility of the manufacturer. Contact the T8 LED lamps manufacturer for more specific information. This warranty only applies to the original purchaser and is not transferable.

    This Warranty does not apply to any of the following: 
    Any T8 LED Tube Linear Luminaire that has been incorrectly installed by drilling holes, puncturing, piercing or any other means that will alter the integrity of the fixture housing.

    • Damage caused by the use of parts, components, and/or other equipment(s) that is not compatible, suitable, and/or authorized by EPCO for use with the T8 LED Tube Linear Luminaire.
    • Damage resulting from use of the T8 LED Tube Linear Luminaire in what EPCO, at its sole discretion, considers extreme applications.
    • Product damage as determined by EPCO to be caused by a crash, impact, or obvious signs of abuse to the T8 LED Tube Linear Luminaire.
    • No charge-backs for any labor required to remove, re-install, or re-power the T8 LED Tube Linear Luminaire.

    Note: The Chemical Resistance of Plastics Chart provides an overview of those chemical compounds where this luminaire should not be installed.