Thomas & Betts TN10-WJ Wire Joint Nylon Insulated Closed End Crimp 2-10 Awg

Description:

The Thomas & Betts TN10-WJ Wire Joint is used to permanently splice and terminate 12–10 AWG copper conductors using a nylon-insulated closed-end crimp connector. Commonly installed in electrical control panels, lighting systems, HVAC equipment, industrial machinery, commercial wiring, and OEM electrical assemblies requiring secure wire splicing. Maintenance electricians, contractors, and system integrators use this wire joint for new installations, equipment maintenance, retrofits, and replacement of damaged or worn wire connectors.

Applications:

The Thomas & Betts TN10-WJ is part of the Catamount® insulated terminal series and features a closed-end design that allows multiple copper conductors to be inserted into a single connector before crimping. Manufactured with a copper sleeve and durable white nylon insulation, it provides excellent electrical conductivity, corrosion resistance, and strain relief. The connector is ideal for electrical panels, control cabinets, appliances, commercial building wiring, industrial automation equipment, and general-purpose electrical splicing applications.

Technical Specifications:

• Brand: Thomas & Betts (ABB) – Catamount®
• Part Number: TN10-WJ (also available as TN10-WJ-XV)
• Product Type: Nylon Insulated Closed-End Wire Joint / Crimp Connector
• Series: TN Series (Catamount®)
• Wire Size: 12–10 AWG
• Connector Style: Closed-End Splice
• Termination Method: Crimp
• Conductor Material: Copper
• Insulation Material: Nylon (Polyamide)
• Insulation Color: White
• Voltage Rating: 300 VAC
• Temperature Rating: 105°C (221°F)
• Overall Length: 1.003 in. (25.5 mm)
• Diameter: 0.280 in. (7.1 mm) Body, approximately 0.492 in. Maximum Diameter
• Compatible Wire Type: Solid and Stranded Copper Conductors
• Recommended Installation Tool: Thomas & Betts WT112M Crimp Tool
• Certifications: UL Listed (File E9809), CSA Certified, RoHS Compliant

Common Replacements:

• Thomas & Betts KN10-WJ-D
• Thomas & Betts TN14-WJ
• Thomas & Betts TN18-WJ