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Explosion Proof Hook Adapter | 3/4 Inch NTP | Class 1 Div 2

SKU: MLLG-E-EXPL-HK-ADAPTER | Web ID: 1993
Starting at: $46.67
Availability: 31 In Stock Ships 3-5 Days

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This explosion proof hook adapter is a practical choice for securely suspending EXPLA and EXPLB fixtures in hazardous locations, thanks to its UL844 listing for Class 1 Division 2 and Class 2 Division 1 environments. Its durable construction and compact 5.6 x 5.6 x 4.2 inch size support reliable, long-term use in industrial facilities, chemical plants, and refineries where flammable gases, vapors, or dusts are present. The adapter enables straightforward installation and maintenance access without removal, helping maintain compliance and safety in demanding settings, and is backed by a 5-year warranty for added assurance.

Dwayne Kula | President, CTO and Founder

Product Description

5 Year Unlimited Usage Warranty

    UL Specs

    • UL844 Hazardous Location
    • Class 1 Div 2: Groups A, B, C, D
    • Class 2 Div 1: Groups E,F,G

    Durable Construction

    • Warranty: 5 years

    Measurements

    • Dimensions (in): 5.6 x 5.6 x 4.2

    Explosion Proof Hook Adapter. Designed for our


    Web ID: 1993

    Product Overview

    Explosion Proof Hook Adapter with 3/4 Inch NPT is designed for mounting explosion proof lighting fixtures in hazardous locations. This adapter is compatible with our EXPLA and EXPLB series explosion proof fixtures. Typical use includes hazardous location lighting and paint booth lighting where Class 1 Div 2 and Class 2 Div 1 requirements apply.

    The adapter provides a secure and code-compliant mounting solution for environments with flammable gases, vapors, or dust. Its compact 5.6 x 5.6 x 4.2 inch form factor supports installation in confined or overhead spaces common to hazardous and industrial settings.

    Core Performance and Output

    This hook adapter is engineered for structural integrity and reliable fixture support in classified hazardous environments. The 3/4 inch NPT threading ensures compatibility with standard conduit and fixture entries. The adapter maintains a robust connection under vibration and routine maintenance cycles.

    UL844 certification and Class 1 Div 2, Groups A-D, and Class 2 Div 1, Groups E-G ratings confirm suitability for environments with explosive gases, vapors, or dust. The adapter?s physical dimensions and mounting design are intended for use with explosion proof fixtures only. Not suitable for non-rated fixtures or locations outside hazardous classification.

    Adjustability and Control Options

    This adapter provides a fixed hook mounting point for compatible explosion proof fixtures. There are no integrated adjustability or aiming features. The mounting orientation is determined by the fixture and conduit layout.

    No onboard control, dimming, or sensor integration is present. All fixture-level controls must be managed through the connected explosion proof luminaire or external control systems rated for hazardous locations.

    Longevity and Reliability

    The adapter is constructed for long-term use in demanding industrial and hazardous environments. Materials and build quality are selected to resist corrosion, impact, and chemical exposure typical of classified areas.

    Routine inspection and torque checks are recommended as part of standard hazardous location maintenance. The product includes a 5-year warranty covering material and manufacturing defects under normal use.

    Build Quality and Physical Characteristics

    Dimensions are 5.6 x 5.6 x 4.2 inches. The adapter is built with durable, non-sparking materials suitable for hazardous locations. The 3/4 inch NPT threading is machined for precise fit and secure installation.

    All surfaces are finished to minimize corrosion and facilitate cleaning in environments such as paint booths or chemical processing areas. The hook design supports the weight and vibration loads of compatible explosion proof fixtures.

    Where This Product Fits Best

    This explosion proof hook adapter is intended for use in hazardous locations where classified lighting is required. It is commonly installed in environments with flammable gases, vapors, or combustible dust, and where secure overhead mounting is needed for explosion proof luminaires.

    • hazardous location lighting
    • explosion proof lighting
    • paint booth lighting
    • chemical processing facility lighting
    • oil and gas facility lighting
    • refinery lighting
    • marine environment lighting
    • solvent storage area lighting

    Adapter is suitable for indoor or covered outdoor use in classified areas. Not intended for general-purpose or non-classified environments.

    Installation and Long-Term Use

    Installation requires standard hazardous location wiring practices and proper torqueing of the 3/4 inch NPT connection. The adapter is compatible with EXPLA and EXPLB series explosion proof fixtures. Ensure all connections are sealed and compliant with local codes for classified areas.

    Routine inspection should include checking for corrosion, mechanical integrity, and secure fixture attachment. Adapter is designed for minimal maintenance beyond standard hazardous location inspection intervals.

    How This Fixture Is Commonly Used

    Commonly installed at mounting heights ranging from 8 to 20 feet, depending on fixture type and application. The hook adapter is typically spaced to match the lighting layout required for hazardous area coverage, such as in paint booths or process areas.

    Spacing and layout are determined by the fixture?s light distribution and the area?s classification requirements. Using higher output fixtures may reduce fixture count but can increase installation complexity due to weight and support needs.

    Safety, Certifications, and Warranty

    This adapter is UL844 listed for hazardous locations. Certified for Class 1 Div 2 Groups A, B, C, D and Class 2 Div 1 Groups E, F, G. Designed to meet code requirements for explosion proof lighting installations.

    Product includes a 5-year warranty. All certifications apply to the adapter as a component of a compliant hazardous location lighting system.

    Frequently Asked Questions

    Q: What fixture types are compatible with this explosion proof hook adapter?

    A: This adapter is designed for use with EXPLA and EXPLB series explosion proof fixtures with 3/4 inch NPT entries.

    Q: What hazardous location classifications does this adapter meet?

    A: The adapter is UL844 listed for Class 1 Div 2 Groups A-D and Class 2 Div 1 Groups E-G.

    Q: Can this adapter be used outdoors?

    A: The adapter is suitable for indoor or covered outdoor use in classified hazardous locations, provided all connections are properly sealed.

    Q: What is the maximum fixture weight this adapter can support?

    A: The adapter is engineered to support the weight of compatible EXPLA and EXPLB explosion proof fixtures. Refer to fixture specifications for weight limits.

    Q: How should spacing be determined when using this adapter in a paint booth?

    A: Spacing is based on the fixture?s light distribution and the coverage required for the classified area. Consult the fixture?s photometric data and hazardous area layout requirements.

    Application Questions and Clarification

    Q: Is this adapter suitable for non-explosion proof fixtures?

    A: No, this adapter is intended only for use with explosion proof fixtures in classified hazardous locations.

    Q: Can this be used in marine or offshore hazardous environments?

    A: Yes, the adapter is suitable for marine environment lighting and offshore rig lighting when installed with compatible explosion proof fixtures.

    Q: Does the adapter include any aiming or adjustability features?

    A: No, the adapter provides a fixed hook mounting point. Aiming is determined by the fixture and conduit orientation.