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Explosion Proof Junction Box | NPT Connection | Wall or Ceiling Mounted | Built-in Photocell | Class 1 Div 2
Out of stock
Dwayne Kula | President, CTO and Founder
Product Description
C1D2 Explosion Proof Junction Box with built-in Photocell functionality (on/off only). 3/8 inch knockout standard, 1/2 inch knockout special order.
UL Specs
- UL 844 Hazardous Locations
- Class I, Division 2, Groups A, B, C, D
- Class II, Division 1, Groups E, F, G
- Class II, Division 2, Groups F, G
- Class III
- UL 1598 Suitable for Wet Locations
- UL 1598A Marine Outside Type
- ABS
Durable Construction
- IP Rating: IP65
- Certifications: ETL
- Warranty: 5 years
Measurements
- Dimensions (in): 5.6 x 5.6 x 4.2
Features/Accessories
- Photocell
Web ID: 2063
Product Overview
This explosion proof junction box is designed for hazardous location lighting and marine environment lighting. It features a built-in photocell for on/off control, supporting automated operation in classified areas. The enclosure is suitable for wall or ceiling mounting and is built to withstand exposure in industrial and marine settings where flammable gases, vapors, or dusts may be present.
Typical use cases include integration with Class I Division 2 lighting systems, paint booths, and chemical processing facilities. The compact form factor (5.6 x 5.6 x 4.2 inches) allows for installation in confined or space-limited areas. The junction box is compatible with standard 3/8 inch NPT conduit connections, with 1/2 inch available by special order.
Core Performance and Output
This junction box is engineered for hazardous and marine environments, meeting UL 844, UL 1598, UL 1598A, and ABS requirements. The enclosure is rated IP65 for dust and water ingress, supporting reliable operation in wet or corrosive conditions. The built-in photocell provides on/off control for connected lighting circuits, reducing manual intervention in classified areas.
Surface mounting supports both wall and ceiling installations. The box is not intended for use as a primary luminaire but as a control and connection point for explosion proof lighting systems. Excessive conduit fill or oversized wiring may limit available space for terminations.
Adjustability and Control Options
The integrated photocell enables automatic switching of connected lighting based on ambient light levels. This function is on/off only, with no dimming or programmable features. The photocell is pre-installed and sealed within the enclosure to maintain hazardous location integrity.
No field-adjustable settings are provided. Control is limited to the photocell?s response to daylight conditions. For applications requiring manual override or advanced control, external devices must be specified and installed outside the classified area.
Longevity and Reliability
The enclosure is constructed for long-term use in hazardous and marine environments. All gaskets and seals are designed to maintain IP65 and hazardous location ratings over the service life of the product. The built-in photocell is rated for continuous duty and is protected from environmental exposure.
Routine inspection of seals and conduit connections is recommended to maintain certification and prevent ingress. The product carries a 5-year warranty covering material and workmanship defects under normal operating conditions.
Build Quality and Physical Characteristics
The junction box measures 5.6 x 5.6 x 4.2 inches and is built with a corrosion-resistant housing suitable for marine and chemical environments. The enclosure supports both wall and ceiling surface mounting. Standard conduit entry is 3/8 inch NPT, with 1/2 inch available by special order.
All hardware and seals are selected for compatibility with hazardous location and marine requirements. The enclosure is certified to UL 844, UL 1598, UL 1598A, ABS, and ETL standards. The IP65 rating ensures protection against dust and water jets from any direction.
Where This Product Fits Best
This explosion proof junction box is intended for use in hazardous locations and marine environments where classified wiring and automated lighting control are required. It is suitable for both new installations and upgrades in facilities with Class I Division 2, Class II, or Class III requirements.
- hazardous location lighting
- explosion proof lighting
- paint booth lighting
- chemical processing facility lighting
- marine environment lighting
- oil and gas facility lighting
- refinery lighting
- wastewater treatment lighting
The enclosure is designed for environments with exposure to flammable gases, vapors, dusts, or corrosive atmospheres. It is suitable for both indoor and outdoor use where surface mounting is practical and conduit entry requirements are met.
Installation and Long-Term Use
Surface mounting is supported on both walls and ceilings. The enclosure is compatible with standard hazardous location conduit and wiring practices. All terminations must be made in accordance with local and national codes for classified areas.
Routine maintenance should include inspection of seals, conduit entries, and the photocell lens to ensure continued protection and operation. The enclosure is not intended for flush mounting or use with non-classified wiring methods. Overfilling the box with conductors or using incompatible fittings may compromise ratings.
How This Fixture Is Commonly Used
This junction box is typically installed as a control and connection point for explosion proof lighting circuits in hazardous or marine environments. Mounting heights are determined by conduit routing and accessibility, with most installations between 7 and 12 feet above finished floor for wall or ceiling access.
Spacing is dictated by the layout of lighting circuits and the need for localized control. The built-in photocell reduces the need for manual switching, but all wiring and connections must maintain hazardous location integrity. Using the photocell may reduce fixture count for switched circuits but does not provide dimming or advanced control.
Safety, Certifications, and Warranty
This product is certified to UL 844 (Hazardous Locations), UL 1598 (Wet Locations), UL 1598A (Marine Outside Type), ABS, and ETL. It is rated for Class I Division 2 Groups A, B, C, D; Class II Division 1 Groups E, F, G; Class II Division 2 Groups F, G; and Class III environments. The enclosure is IP65 rated for dust and water ingress protection.
A 5-year warranty covers defects in materials and workmanship. All certifications apply to the complete assembly as shipped. Installation must comply with all applicable codes and standards for hazardous and marine locations.
Frequently Asked Questions
Q: What conduit sizes are supported by this junction box?
A: The standard knockout is 3/8 inch NPT. A 1/2 inch NPT knockout is available by special order.
Q: Is the built-in photocell field adjustable or programmable?
A: The photocell is on/off only and is not field adjustable or programmable.
Q: Can this enclosure be used outdoors in marine environments?
A: Yes, the enclosure is certified for marine outside type and is IP65 rated for outdoor use.
Q: What is the recommended mounting method?
A: Surface mounting to walls or ceilings using compatible hardware for hazardous locations is recommended.
Q: How should spacing be planned for multiple junction boxes?
A: Spacing is determined by conduit routing, lighting circuit layout, and accessibility for maintenance.
Application Questions and Clarification
Q: Is this junction box suitable for use in Class I Division 1 areas?
A: No, this product is rated for Class I Division 2 and is not certified for Class I Division 1 environments.
Q: Can this box be used for general-purpose lighting applications?
A: No, this product is intended for hazardous location and marine environment lighting only.
Q: Does the enclosure support flush mounting?
A: No, this enclosure is designed for surface mounting only.
Q: Is the photocell replaceable in the field?
A: The photocell is integrated and not designed for field replacement.
