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Minimum Qty: 10
Multiplier: 10
*Contact for lower quantities*
Overview
- Voltage rating: 600V for high-performance applications
- Temperature rating: 105°C for continuous operation
- Wire range: 14-6 AWG (copper or aluminum with compound)
- Screw terminal design for secure, vibration-resistant connections
- Non-winged blue housing for easy identification and installation
Specifications
Application | For copper conductor only |
Color | Blue |
Material | Polypropylene |
Size | Min: 3 #12, Max: 2 #6 |
Special Features | Design engineered for additional twisting power to meet the high quality expectations of the electrical professional |
Standard | UL E9809 |
Type | Wire Connector, Type II Winged |
Package Dimensions (L x W x H) | 1.38 IN x 2.75 IN x 6.38 IN |
Package Dimensions (L x W x H) | 3.5052 cm x 6.985 cm x 16.2052 cm |
Package Weight (Imperial) | 0.2400 L |
Package Weight (Metric) | 0.1090 kg |

WC-B-B
The Easy-Twist WC-B-B 1,000-Count Bag of Standard-Style Blue Wire Connectors are designed for use on copper wires in the 22-14 AWG size range. They’re made of flame-retardant thermoplastic rated for a maximum temperature of 105˚ Celsius (221˚ Fahrenheit). The quick-grip square spring design grips in fewer twists and can dead-end a single wire, while the ergonomic ribbed texture makes them easy to twist. Their compact design is useful for applications in tight areas or anywhere else you need to connect wires.
833BAR
Wing Design Insulated Wire Connector Yellow #22 - #8 AWG Temperature Rating of 105 Degrees Celsius Barrel of 25000
HL 4/0-68 90
Copper One-Hole Lug with 90 Degree Bend, Wire Size 4/0 Stranded, Bolt Hole 3/4 Inch, Tin PlatedFrequently Asked Questions
What is the maximum operating voltage for the #739 connector?
The connector is rated for a maximum of 600 volts, meeting UL safety standards for electrical connections.
How many connectors are included in a single box of #739?
Each box contains 15 Marrette #739 wire connectors, providing bulk value for contractors.
What wire sizes does the Marrette #739 connector support?
The connector accommodates wire sizes from 14 to 6 AWG, suitable for both solid and stranded conductors.
What is the temperature rating of the Marrette #739?
The connector is rated for continuous operation at 105°C, ensuring reliability in high-temperature environments.
Is the Marrette #739 connector rated for aluminum wire?
Yes, the connector is compatible with aluminum wire when used with an appropriate compound to prevent oxidation.
Frequently Asked Questions about ABB - Installation Products
How are Thomas and Betts products typically installed?
Thomas and Betts products are installed using a variety of methods tailored to specific applications, including the use of flexible cords and cable fittings, non-metallic cable glands, and armored cable fittings. Proper selection of fittings is crucial to match the cable type and installation environment, ensuring durability and preventing physical damage. Tools such as the Blackburn® Comfort Crimp® and HEX-FLEX® systems enhance installation efficiency and reliability, reducing labor time and ensuring secure connections.
What accessories are available for Thomas and Betts products?
Thomas and Betts offers a comprehensive range of accessories for their products, including various cord and cable fittings, non-metallic cable glands, service entrance cable fittings, and armored cable fittings. Their accessories are designed to enhance installation efficiency and ensure compatibility with different cable types and environmental conditions, providing reliable connections for a wide array of applications.
What environmental ratings do Thomas and Betts products have?
Thomas and Betts products feature robust environmental ratings, including NEMA Type 1, 2, 3, 4, 4X, 12, and 13 certifications, as well as IEC 60529 IP66 protection. These ratings ensure that their products are designed to withstand harsh industrial environments, with capabilities to resist dust, water, and corrosion, and operate effectively in a wide temperature range.
What communication protocols do Thomas and Betts products support?
Thomas and Betts products support a wide range of industrial communication protocols, including Ethernet, DeviceNet, PROFIBUS, Modbus, CANopen, and others. This extensive compatibility ensures seamless integration and reliable communication across various industrial automation systems, catering to diverse application needs.
What are the key features of Thomas and Betts products?
Thomas and Betts products are known for their innovative designs, high performance, and compliance with industry standards such as the National Electrical Code and Underwriters' Laboratories. They offer a comprehensive range of rugged and reliable electrical fittings, including liquidtight and dust-tight connections, which enhance installation efficiency and reduce overall project costs. Their products are engineered for durability in harsh environments, ensuring long-term reliability and lower installed costs.
What are the main product lines offered by Thomas and Betts?
Thomas and Betts offers a comprehensive range of product lines including electrical connectors, cable management systems, grounding and bonding solutions, and industrial automation components. Their products are designed for durability and reliability in demanding industrial environments, ensuring optimal performance and safety across various applications.
What technical support does Thomas and Betts offer?
Thomas and Betts offers comprehensive technical support, including access to field application engineers for onsite training and installation assistance. Their technical support staff is available to address inquiries related to product specifications and installation practices, ensuring optimal performance and safety of electrical systems. Additionally, they provide a variety of training programs to enhance the knowledge and skills of users in the field.
What industries and applications are Thomas and Betts products used for?
Thomas and Betts products are utilized across various industries including electrical construction, industrial automation, telecommunications, and utilities. Their extensive range of cord and cable fittings, electrical boxes, and metal framing systems are designed for applications that require durability and reliability in harsh environments, ensuring optimal performance in both permanent and temporary installations.
What certifications and standards do Thomas and Betts products comply with?
Thomas and Betts products comply with critical international certifications including UL (Underwriters Laboratories), CSA (Canadian Standards Association), and CE (European Community). Our products are designed to meet rigorous industrial standards such as NEMA enclosure ratings and IEC 60529 IP ratings, ensuring safety and reliability across various industrial applications.
What are the main product lines offered by Ocal?
Ocal offers a comprehensive range of corrosion-resistant conduit systems, including PVC-coated conduit and fittings, conduit bodies, hazardous location fittings, and strut accessories. Their products are designed to provide superior corrosion protection, featuring a hot-dipped galvanizing process and UL listed Type 4X PVC-coated conduit bodies, ensuring durability in the most demanding environments.




