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User-friendly 3m™ Connector Cir-21, 1 Awg Stranded, 2 Awg Solid, 1/0 Awg Solid, 1 Awg Solid, O.d. 0.64 In (16,2 Mm), 10 /case Your 90% Coupon Inside [iXZmGpvS]

$54.99 $175.99 -69%

3M™ Connector CIR-21: High-Performance Splice Solution The 3M™ Connector CIR-21 is a premium splice solution designed for aluminum or copper conductors. This connector stands out for its robust construction and reliable performance, making it an idea

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User-friendly 3m™ Connector Cir-21, 1 Awg Stranded, 2 Awg Solid, 1/0 Awg Solid, 1 Awg Solid, O.d. 0.64 In (16,2 Mm), 10 /case Your 90% Coupon Inside [iXZmGpvS]

3M™ Connector CIR-21: High-Performance Splice Solution

The 3M™ Connector CIR-21 is a premium splice solution designed for aluminum or copper conductors. This connector stands out for its robust construction and reliable performance, making it an ideal choice for a wide range of applications. With its standard barrel design, the connector ensures a secure fit, while its aluminum construction provides excellent conductivity and corrosion resistance. The CIR-21 is a must-have for professionals seeking a high-quality splice solution that delivers exceptional results.

Key Product Features and Specifications

The 3M™ Connector CIR-21 is engineered with precision to meet the highest standards of quality. Key features include:
  • High Conductivity: The aluminum construction of the connector ensures superior conductivity, minimizing resistance and maximizing performance.
  • Corrosion Resistance: The electro tin plated finish on the aluminum surface provides excellent resistance to corrosion, ensuring long-lasting durability.
The connector meets the stringent requirements of ANSI C119.4, making it suitable for use with the 5411R and 5412R splice kits. Its standard barrel design guarantees a secure fit, offering reliable performance in a variety of applications.

Practical Applications and Benefits

The 3M™ Connector CIR-21 is a versatile and practical solution for a wide range of applications. Its benefits include:
  • Efficiency: The connector virtually eliminates the need to splice in a new section of cable, saving time and effort during installation.
  • Reliability: With its secure fit and reliable performance, the CIR-21 ensures consistent and dependable connectivity.
Whether you are a professional electrician, a hobbyist, or an engineer, the 3M™ Connector CIR-21 is an essential tool for your project. Its high-quality construction and exceptional performance make it a valuable addition to any toolkit.

What Our Customers Say

January 17, 2026

Absolutely no complaints!

A great product that is worth having.

- Pembroke F..

January 17, 2026

Absolutely no complaints!

It’s a very clever and solid gadget.

- Caradoc Y..

January 17, 2026

Absolutely no complaints!

A great item that is very clever.

- Manawydan S..

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