Wago 221-412 Lever-Nuts Compact 2 Conductor Wire Splicing Connector 50 Pack (Model 221-412K00-012)

The Wago 221 Series Lever-Nuts Compact 2 Conductor Wire Splicing Connector provides a fast and secure way to connect electrical conductors without twisting or tools. The built-in lever mechanism allows each conductor to be inserted and locked in place quickly, improving efficiency during installation, adjustments, and service work.

This compact splicing connector is designed to accept solid, stranded, and fine-stranded copper conductors within a single connector. The transparent housing allows you to visually confirm proper strip length and full conductor insertion, helping ensure accurate connections.

Its compact size helps maximize available space inside electrical boxes while maintaining a secure connection. Integrated test access points allow for voltage testing after installation without disconnecting the conductors.

Key Features

• Lever-operated design for quick, tool-free connections
• Accepts solid, stranded, and fine-stranded copper conductors
• Transparent housing supports visual confirmation of proper installation
• Compact design helps save space in electrical boxes
• Reusable connector suitable for adjustments and service work
• Integrated test access for convenient voltage checks
• Designed for secure electrical splicing connections

Technical Specifications

• Brand: Wago
• Series: 221 Series
• Number of Conductors: 2
• Product Type: Compact Wire Splicing Connector
• Conductor Range: 24–12 AWG (0.14–4 mm²)
• Conductor Material: Copper
• Compatible Conductor Types: Solid, stranded, fine-stranded
• Voltage Rating: up to 450 V
• Current Rating: up to 32 A
• Maximum Operating Temperature: 105°C
• Maximum Ambient Temperature: 85°C (T85)
• Connection Type: Lever-operated spring clamp
• Housing: Transparent
• Certifications: UL Listed, cULus

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