Thomas Betts 330-BP Twist-on Wire Connector 3 Awg 300V

Product Description

The THOMAS BETTS 330-BP is a standard twist-on wire connector rated for 300 volts and compatible with wire gauges down to 3 AWG. It features a corrosion-resistant construction and a blue color coding that allows for quick identification during installation and inspection. This type of connector is a staple in residential, commercial, and light industrial wiring applications, used to join two or more conductors inside junction boxes, panels, and device enclosures. Licensed electricians and maintenance technicians install this connector as part of standard branch circuit and low-voltage wiring work covered under NEC guidelines.

The 330-BP is suited for use in junction boxes, outlet boxes, switch boxes, and panel terminations where a secure, insulated wire-to-wire connection is required. The blue color designation helps differentiate wire gauge ranges on the job, reducing misfits during high-volume wiring tasks. It is appropriate for use in both new construction and retrofit wiring projects across residential and light commercial environments. The connector accommodates solid and stranded conductors, making it flexible for a wide range of field conditions.

Key Features

• Standard twist-on design for fast, tool-free wire termination
• Corrosion-resistant construction for reliable long-term performance in damp or humid environments
• Blue color coding for quick visual identification of compatible wire gauge range
• Rated to 300 volts for use in standard branch circuit and low-voltage wiring applications
• UL Listed and RoHS compliant
• Minimum compatible wire size of 3 AWG

Compatibility

Designed as an OEM-style replacement and standard-use connector for residential and light commercial electrical wiring applications requiring a 3 AWG minimum, 300-volt rated twist-on wire connector.

Installation Notes

Installation should be performed by a licensed electrician in accordance with the National Electrical Code (NEC). Always de-energize the circuit at the breaker and verify with a non-contact voltage tester before making or removing connections. Strip conductors to the appropriate length per the connector manufacturer guidelines before twisting on the connector. Do not overtighten or force the connector onto undersized or oversized conductors outside the rated wire range.