Crouse-Hinds, a leading manufacturer of electrical and industrial products, offers a wide range of rigid fittings designed for use with rigid and intermediate metal conduit (IMC). This guide provides a detailed overview of the products, including their applications, features, sizes, and specifications.

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Description

Key Features of Crouse-Hinds Rigid Fittings

  • Durable Materials: Available in steel, malleable iron, zinc die-cast, and stainless steel constructions.
  • High-Temperature Resistance: Suitable for demanding environments.
  • UL Listed: All products are UL listed, ensuring compliance with safety standards.
  • Versatility: Compatible with both rigid and IMC conduit.
  • Corrosion Resistance: Stainless steel fittings offer superior resistance to corrosion and heat.

Product Categories

Crouse-Hinds rigid fittings are categorized based on their construction and application:

1. Bushing Pennies & Nailing Straps

  • Applications: Used to seal the end of conduit during construction and support rigid conduit and IMC to mounting surfaces.
  • Key Features:
    • Bushing Pennies: Seal the end of conduit.
    • Nailing Straps: Support conduit to mounting surfaces.
  • Standard Finish: Zinc plated.

2. Conduit U-Bolts & Sealing Locknuts

  • Applications: Used to secure conduit and provide raintight, watertight, or oiltight seals.
  • Key Features:
    • Heavy Duty Conduit U-Bolts: Electrogalvanized iron with hex nuts.
    • Sealing Locknuts: Integrally fused PVC gasket for positive seal.
  • Standard Finish: Zinc plated.

3. Conduit Locknuts

  • Applications: Used to secure conduit fittings.
  • Key Features:
    • Steel, Malleable Iron, and Zinc Die Cast: Available in various materials.
    • Thin Construction Locknuts: Steel locknuts for thin applications.
    • Bonding Locknuts: For bonding conduit to boxes or enclosures.
  • Standard Finish: Zinc plated.

4. Galvanized Rigid Conduit Nipples

  • Applications: Used to join two enclosures or conduit bodies together.
  • Key Features:
    • NPT Threads: Designed for use with threaded rigid conduit.
    • Galvanized Finish: Resists corrosion.
  • Standard Finish: Galvanized.

5. Rigid Conduit Nipples – Aluminum

  • Applications: Used to join two enclosures or conduit bodies together.
  • Key Features:
    • NPT Threads: Suitable for both indoor and outdoor applications.
    • Aluminum Construction: Lightweight and corrosion-resistant.
  • Standard Finish: Natural aluminum.

6. Conduit Bushed (Chase) Nipples & Offset Conduit Nipples

  • Applications: Used to connect two boxes side by side or back to back.
  • Key Features:
    • Malleable Iron & Zinc Die Cast: Available in non-insulated and insulated versions.
    • Offset Nipples: Used to offset the axis of raceways.
  • Standard Finish: Zinc plated.

7. Push Plugs – Plastic

  • Applications: Used to plug knockouts on enclosures to prevent moisture, dust, and debris from entering.
  • Key Features:
    • Temperature Rating: 180°F to 200°F.
    • Tensile Strength: 600-2300 PSI.
  • Standard Finish: Plastic.

8. Knockout Snap-In Blanks & Reducing Washers

  • Applications: Used to plug knockouts in steel boxes and reduce knockout sizes.
  • Key Features:
    • Snap-In Blanks: Press firmly into knockout for a secure connection.
    • Reducing Washers: Reduce knockout size in steel boxes.
  • Standard Finish: Zinc plated.

9. Concrete Slab Inserts – 90 Degree

  • Applications: Used with rigid and IMC conduit in poured concrete slabs.
  • Key Features:
    • 90 Degree Design: Eliminates the need to bend conduit.
    • Zinc Die Cast: Resists corrosion.
  • Standard Finish: Zinc plated.

10. Conduit Reducers & Plugs

  • Applications: Used to reduce the threaded opening on conduit bodies or plug unused threaded conduit openings.
  • Key Features:
    • Steel/Iron Reducers: Smooth pulling surface.
    • Cast Iron Plugs: Available in flush (recessed) or square head types.
  • Standard Finish: Zinc plated.

11. Stainless Steel Fittings

  • Applications: Ideal for corrosive environments such as food processing, pharmaceutical, and petrochemical industries.
  • Key Features:
    • 316 Stainless Steel: Superior corrosion resistance.
    • Self-Healing Properties: Reduces rust and corrosion penetration.
  • Standard Finish: Natural stainless steel.

Product Specifications

Below is a detailed breakdown of the rigid fittings, including catalog numbers, sizes, unit quantities, and weights:

Bushing Pennies – Steel

Catalog No. Size Unit Qty. Weight (lbs. per 100)
90 1/2” 100 1
91 3/4” 100 1
92 1” 100 1

Nailing Straps – Cast Steel

Catalog No. Size Unit Qty. Weight (lbs. per 100)
NS 1 1/2” 100 2
NS 2 3/4” 100 2
NS 3 1” 100 3

Sealing Locknuts

Catalog No. Size Unit Qty. Weight (lbs. per 100)
SL1 1/2” 100 1
SL2 3/4” 50 2
SL3 1” 25 4

Galvanized Rigid Conduit Nipples – Steel

Catalog No. Size & Length Unit Qty. Weight (lbs. per 100)
NPL50CL 1/2” x CLOSE 25 5
NPL50150 1/2” x 1 1/2” 25 8
NPL50200 1/2” x 2” 25 10

Rigid Conduit Nipples – Aluminum

Catalog No. Size & Length Unit Qty. Weight (lbs. per 100)
NPL50CLSA 1/2” x CLOSE 25 2
NPL50150SA 1/2” x 1 1/2” 25 3
NPL50200SA 1/2” x 2” 25 4

Conduit Bushed (Chase) Nipples – Malleable Iron & Zinc Die Cast

Catalog No. Size Unit Qty. Weight (lbs. per 100)
50 1/2” 50 3
51 3/4” 25 8
52 1” 10 13

Push Plugs – Plastic

Catalog No. Size Unit Qty. Weight (lbs. per 100)
PPC 50 1/2” 100 1
PPC 75 3/4” 100 1
PPC 100 1” 50 1

Knockout Snap-In Blanks – Steel

Catalog No. Size Unit Qty. Weight (lbs. per 100)
342 3/4” – 1/2” 100 1
343 1” – 1/2” 100 2
344 1” – 3/4” 100 2

Concrete Slab Inserts – 90 Degree

Catalog No. Size Unit Qty. Weight (lbs. per 100)
ESL75 3/4” 5 41
ESL100 1” 5 57

Conduit Reducers – Steel/Iron

Catalog No. Size Unit Qty. Weight (lbs. per 100)
251 1/2” – 1/4” 50 4
252 3/4” – 1/2” 25 13
253 1” – 3/4” 10 30

Plugs – Cast Iron

Catalog No. Size Unit Qty. Weight (lbs. per 100)
PLG1M 1/2” 50 6
PLG2M 3/4” 50 11
PLG3M 1” 25 22

Stainless Steel Fittings

Catalog No. Size Unit Qty. Weight (lbs. per 100)
115S 1/2” 1000 2
125S 3/4” 500 3
135S 1” 500 5

Applications

  • Threaded Conduit: Ideal for use on threaded rigid/IMC conduit.
  • Threadless Conduit: Suitable for threadless rigid/IMC conduit.
  • Corrosive Environments: Stainless steel fittings are ideal for food processing, pharmaceutical, and petrochemical industries.

Why Choose Crouse-Hinds Rigid Fittings?

  • High-Quality Materials: Durable steel, malleable iron, zinc die-cast, and stainless steel constructions.
  • Versatility: Compatible with both rigid and IMC conduit.
  • Safety Compliance: UL listed for safety and reliability.
  • Wide Range of Sizes: Available in sizes from 1/2” to 6”, catering to various electrical systems.

Conclusion

Crouse-Hinds rigid fittings are a reliable choice for ensuring safe and effective electrical installations. With a variety of sizes, materials, and configurations, these products are designed to meet the needs of both threaded and threadless rigid/IMC conduit applications.

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