TSI INOX Conduits presents our premium Stainless Steel PLG Recessed Explosion-Proof Plug, an essential component for sealing unused threaded conduit openings in hazardous area installations. Manufactured from premium SS316 stainless steel and featuring a vibration polished finish, our PLG recessed plugs provide secure, corrosion-resistant closure of unused hubs on enclosures, conduit bodies, and fittings in explosive environments.
The PLG (Recessed Plug) is specifically designed for use in NEC/CEC Class I, II, and III hazardous locations to plug unused threaded conduit openings, maintaining the integrity and safety of electrical installations. The recessed head design allows for a flush, low-profile installation that minimizes snag hazards and provides a clean, professional appearance . Whether you are sealing unused outlets in petrochemical refineries, chemical processing plants, offshore platforms, or food processing facilities, TSI's stainless steel PLG plugs deliver the quality, durability, and code compliance your project demands
TSI PLG recessed plugs meet or exceed the following hazardous location standards:
NEC/CEC Hazardous Location Ratings
Groups A, B, C, D – Flammable Gases and Vapors
Groups E, F, G – Combustible Dusts
Combustible Fibers and Flyings
| Specification | Details |
|---|---|
| Standard | UL 1203 – Explosion-Proof and Dust-Ignition-Proof Equipment |
| UL 886 | Electrical Fittings for Use in Hazardous Locations |
| CSA Standard | CSA C22.2 No. 30 – Explosion-Proof Enclosures |
| Material | Body: 316SS Stainless Steel |
| Finish | Vibration Polished |
| Head Type | Recessed / Flush Head |
| Thread Type | Male NPT (National Pipe Taper) |
| Conduit Type | Rigid/IMC (Intermediate Metallic Conduit) |
| Raintight Rating | NEMA 4X – Corrosion-resistant and watertight |
| Trade Sizes | ½" through 4" |
Certified for hazardous locations, providing superior safety and reliability in explosive and combustible environments. The rugged construction maintains explosion-proof integrity when sealing unused openings in conduit systems.
Our PLG plugs are manufactured from premium 316 stainless steel, providing:
The vibration polished finish provides:
The recessed head design offers several advantages:
PLG recessed plugs are designed for:
TSI PLG explosion-proof recessed plugs are essential for:
UL 1203 - Explosion-Proof and Dust-Ignition-Proof Electrical Equipment for Hazardous Locations
UL 886 - Electrical Fittings for Use in Hazardous Locations
CSA C22.2 No. 30 - Explosion-Proof Enclosures
NEMA 4X - Corrosion-Resistant Enclosures
cULus Listed -Certified for Canada and United States
TSI INOX Conduits provides a comprehensive stainless steel hazardous location system:
TSI INOX Conduits manufactures every PLG plug using premium 316 stainless steel and state-of-the-art production processes, ensuring consistent dimensions, accurate threading, and flawless vibration polished finishes in every product.
Based in India with a worldwide export network, TSI delivers stainless steel hazardous location conduit solutions to projects across North America, Europe, the Middle East, and beyond.
Our engineering team provides application assistance, code compliance guidance, and custom solutions to meet your exact project specifications—from material selection to installation best practices.
TSI INOX Conduits specializes in stainless steel hazardous location solutions for demanding industries, ensuring our products meet the unique requirements of each sector.
PLG Recessed Explosion-Proof Plug
316SS Stainless Steel
Vibration Polished
Recessed / Flush Head
NPT (National Pipe Taper)
Rigid and IMC
½", ¾", 1", 1¼", 1½", 2", 2½", 3", 4"
Class I, Division 1 & 2, Groups A, B, C, D; Class II, Division 1 & 2, Groups E, F, G; Class III
Contact us today to discuss your requirements, request samples, or receive a competitive quote for bulk PLG recessed plugs.
Engineered for the Toughest Environments. Trusted Worldwide.
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