Carlon 3 Inch Schedule 40 Non-Metallic Expansion Coupling with Mid-Point Indicator
Professional Temperature Compensation Solution
The Carlon 3 Inch Schedule 40 Expansion Coupling delivers professional-grade conduit system performance for temperature-sensitive electrical installations. This non-metallic expansion fitting features an exclusive molded-in mid-point indicator designed for electrical contractors and installers, providing the reliable performance and UL Listed safety that electrical professionals demand for compensating length changes in exposed conduit runs.
Professional Features & Benefits
Advanced Temperature Compensation
- Exclusive Mid-Point Indicator - Molded-in visual reference ensures proper installation positioning and optimal expansion range
- Schedule 40 Compatibility - Engineered for seamless integration with standard Schedule 40 conduit systems
- Temperature Variation Management - Specifically designed to accommodate thermal expansion and contraction in exposed conduit runs
- Professional-Grade Construction - Non-metallic materials provide superior durability and long-term reliability
UL Listed Safety & Compliance
- UL E23018 Certification - Meets stringent electrical safety standards for professional installations
- Code Compliant Design - Engineered to meet NEC requirements for conduit system expansion joints
- Non-Metallic Advantage - Corrosion-resistant materials eliminate galvanic corrosion concerns in diverse environments
Technical Specifications
3 inch Schedule 40 compatibility, non-metallic construction with exclusive molded-in mid-point indicator, UL E23018 Listed certification, designed for temperature variation compensation in exposed conduit applications, sold individually per each unit.
Installation Process
- Verify conduit run length and calculate expected thermal expansion range for proper coupling placement
- Cut conduit ends square and remove burrs to ensure proper fitting engagement and seal integrity
- Insert conduit into coupling until mid-point indicator shows proper positioning for optimal expansion range
- Secure coupling connections according to manufacturer specifications and local electrical codes
- Test coupling movement to verify proper thermal compensation function before system energization
- Document installation position for future maintenance and inspection requirements
Professional Applications
Ideal for:
- Exposed Conduit Runs - Outdoor electrical installations subject to temperature variations and thermal cycling
- Commercial Rooftop Systems - HVAC and electrical conduit runs exposed to extreme temperature fluctuations
- Industrial Facilities - Process areas with significant temperature variations requiring conduit system flexibility
- Parking Garage Installations - Underground and covered parking electrical systems with temperature differential concerns
- Bridge and Overpass Wiring - Infrastructure electrical systems requiring thermal expansion accommodation
- Solar Installation Conduit - Photovoltaic system conduit runs subject to significant thermal cycling
- Exterior Building Conduit - Building perimeter electrical systems exposed to weather temperature variations
- Long Conduit Runs - Extended electrical conduit systems where thermal expansion becomes critical factor
Non-Metallic Construction Advantage
Carlon's non-metallic materials provide superior performance in electrical conduit applications by eliminating corrosion concerns, reducing system weight, and providing excellent chemical resistance. The non-conductive properties enhance electrical safety while the lightweight construction simplifies installation and reduces structural loading requirements.
Why Choose Carlon Quality?
Carlon's commitment to UL Listed safety, innovative design features like the exclusive mid-point indicator, and reliable performance makes this expansion coupling the preferred choice for electrical professionals requiring dependable temperature compensation solutions that meet rigorous electrical code compliance standards.
Manufacturer Resources
Product Specs
- Application:
- Designed to compensate for length changes due to temperature variations in exposed conduit runs.
- Material:
- Non-Metallic
- Product Name:
- FITTINGS OF PLASTIC FOR TUBES, ETC.
- Product Type:
- Expansion Fittings
- Selling Unit Of Measure:
- each
- Special Functions:
- Exclusive molded in mid-point indicator on the piston.
- Standards:
- UL E23018
- Product Group:
- Conduit Systems
- Department:
- Electrical
- Product Sub group:
- Conduit & Components
- Product Type2:
- Electrical conduit coupling