Overview
The Thomas & Betts 5229 is a 1/4″ straight liquidtight insulated fitting designed for flexible metal conduit (FMC) and rigid metal conduit (RMC) system terminations. This metal conduit fitting features an insulated design with heat-curled insulator to protect wire and ease conductor entry. Supplied in a box of 22 units, the 5229 is ideal for electrical control panels, power distribution, and industrial applications requiring moisture-resistant connections.
Key Features
- 1/4″ straight conduit size for standard FMC/RMC applications
- Insulated design with heat-curled insulator for wire protection
- Steel construction with chromate finish for corrosion resistance
- Reliable liquidtight seal for wet and damp environments
- UL Listed and CSA certified to applicable standards
- Box of 22 fittings per unit
Technical Specifications
- Conduit Size: 1/4″
- Connection Type: Straight
- Material: Steel
- Finish: Chromate plated
- Insulation: Yes (heat-curled)
- Temperature Rating: -20°C to +105°C (UL/CSA)
- Diameter (A): 27/32″
- Length (B): 1-3/8″
- Hub Depth (C): 15/32″
- Certifications: UL Listed, CSA Certified
- Quantity per Box: 22
Typical Applications
The 5229 liquidtight fitting is used in:
- Industrial control panel installations with flexible metal conduit terminations
- Outdoor electrical enclosures and junction boxes exposed to moisture
- Food, beverage, and pharmaceutical plant equipment wiring
- Petrochemical and power generation facility conduit connections
- HVAC and mechanical equipment control circuits
- Any wet-location application requiring sealed, liquidtight conduit entry
Compatibility & Replacements
Compatible With
- Liquidtight Flexible Metal Conduit (FMC) 1/4″ diameter
- Rigid Metal Conduit (RMC) 1/4″ diameter
- Standard electrical enclosures and control panels
- NEMA Type 4, 4X, 12, and 13 rated enclosures
- Conduit systems requiring moisture-sealed connections
Replaces / Drop-In Replacement For
- Thomas & Betts 5229 (exact replacement—verify packaging and quantity)
- Equivalent 1/4″ liquidtight straight fittings from other manufacturers (verify dimensions and insulation type)
Works With
- Flexible metal conduit systems per NEC Article 348
- Conduit bending and support hardware
- Standard 1/4″ NPT threaded knockout boxes and enclosures
- Industrial wireway and cable tray systems
- Equipment with 1/4″ conduit termination requirements
