Carlon 3 Inch Schedule 40 Non-Metallic Expansion Coupling with Male Adapter and Mid-Point Indicator

Carlon 3 Inch Schedule 40 Non-Metallic Expansion Coupling with Mid-Point Indicator

Professional-Grade Temperature Compensation Solution

The Carlon 3 Inch Schedule 40 Expansion Coupling delivers professional-grade conduit expansion performance for temperature-sensitive electrical installations. This non-metallic expansion fitting features an exclusive molded-in mid-point indicator on the piston designed for electrical contractors and installers, providing the reliable performance and UL Listed safety that electrical professionals demand for exposed conduit runs subject to thermal expansion and contraction.

Professional Features & Benefits

Advanced Temperature Compensation

• Exclusive Mid-Point Indicator - Molded-in piston indicator ensures proper installation positioning and optimal expansion range
• Schedule 40 Compatibility - Engineered specifically for 3-inch Schedule 40 conduit systems with precise dimensional tolerances
• Thermal Movement Accommodation - Compensates for length changes due to temperature variations in exposed conduit installations
• Professional Piston Design - Smooth operation allows conduit movement while maintaining electrical continuity and protection

UL Listed Safety & Compliance

• UL E23018 Listed - Certified safety and performance for electrical conduit applications meeting National Electrical Code requirements
• Non-Metallic Construction - Corrosion-resistant materials provide long-term reliability in harsh environmental conditions
• Code Compliant Installation - Meets electrical code requirements for expansion joints in conduit systems subject to thermal stress

Technical Specifications

3-inch Schedule 40 conduit compatibility, non-metallic construction with molded-in mid-point indicator, UL E23018 Listed certification, designed for temperature variation compensation in exposed conduit runs, professional-grade piston mechanism for smooth thermal movement accommodation.

Installation Process

1. Verify proper conduit alignment and measure required expansion distance for temperature range
2. Install expansion coupling at mid-point indicator position ensuring proper piston alignment
3. Connect Schedule 40 conduit sections ensuring secure mechanical and electrical continuity
4. Test piston movement to verify smooth operation throughout expected thermal expansion range
5. Secure mounting supports allowing for thermal movement while maintaining conduit protection
6. Verify installation meets NEC requirements for expansion joints in electrical conduit systems

Professional Applications

Ideal for:

• Exposed Conduit Runs - Outdoor electrical installations, rooftop conduit systems, and exterior building conduit routing
• Temperature-Sensitive Installations - Industrial facilities, commercial buildings with significant temperature variations
• Long Conduit Runs - Extended electrical conduit systems requiring thermal expansion accommodation
• Commercial Electrical Systems - Office buildings, retail facilities, and institutional electrical installations
• Industrial Applications - Manufacturing facilities, warehouses, and processing plants with thermal cycling
• HVAC Equipment Connections - Electrical conduit serving heating and cooling equipment with temperature variations
• Solar Installation Conduit - Photovoltaic system electrical conduit exposed to significant thermal cycling
• Parking Structure Electrical - Exposed conduit systems in parking garages and covered structures

Non-Metallic Construction Advantage

Carlon's non-metallic materials provide superior corrosion resistance compared to metal expansion joints, eliminating rust and oxidation concerns in harsh environmental conditions. The lightweight construction reduces installation labor while maintaining the structural integrity required for professional electrical conduit systems subject to thermal stress and movement.

Why Choose Carlon Quality?

Carlon's commitment to UL Listed safety and innovative design features like the exclusive molded-in mid-point indicator demonstrates their dedication to providing electrical professionals with reliable, code-compliant solutions. This expansion coupling represents decades of conduit system expertise, ensuring proper thermal compensation while maintaining the electrical continuity and wire protection that contractors demand for long-term installation success.