Thomas & Betts 31313 Copper Pigtail Connector

Description:

The Thomas & Betts 31313 Locktite Copper Pigtail Connector is used to create a secure mechanical tap connection for #1 AWG to 2/0 AWG copper conductors in electrical power distribution systems. Commonly installed in switchgear, panelboards, transformers, grounding systems, industrial control panels, and utility electrical installations, this copper pigtail connector provides a high-conductivity, low-resistance connection without the need for compression tooling. Electricians, maintenance technicians, and system integrators use this connector for new installations, repairs, retrofits, and replacement of mechanical tap connections. 

Applications:

The Thomas & Betts 31313 is designed for making pigtail and tap connections on #1 AWG to 2/0 AWG copper conductors in 600 V electrical systems. Its compact Locktite® design allows quick installation in confined spaces using only a key wrench, making it ideal for commercial, industrial, OEM, and utility applications where reliable branch or tap connections are required.

Technical Specifications:

• Manufacturer Part Number (MPN): 31313
• Brand: Thomas & Betts (ABB) – Blackburn® Locktite®
• Product Type: Copper Pigtail Connector (Mechanical Tap Connector)
• Conductor Range: #1 AWG to 2/0 AWG Copper
• Conductor Material: Copper
• Connector Material: Copper
• Connection Type: Mechanical Set Screw
• Voltage Rating: 600 V
• Tightening Torque: 150 in-lb
• Installation Method: Hex Key Wrench
• Overall Length (J): 1-1/2 in.
• Body Dimension (A): 13/16 in.
• Figure Style: B
• Features: High conductivity, wide cable range, compact design for hard-to-reach locations, easy installation, reusable mechanical connection
• Standards: UL Listed (UL File E9809), CSA Certified
• Typical Applications: Switchgear, Panelboards, Transformers, Grounding Systems, Utility Power Distribution, Industrial Control Panels, OEM Equipment

Common Replacements:

• Thomas & Betts 31311
• Thomas & Betts 31315
• Thomas & Betts 31009