ABB - Installation Products HLC3974-2 - Bronze Type HLC - Hot Line Clamps for wire range Main AWG 400 - 6 Solid With 3/4 inch Nut
ABB - Installation Products

HLC3974-2

UPC: 075114276863


Documents & Media
Manufacturer Product Website

Contact for Pricing

Minimum Qty: 50

Multiplier: 50

*Contact for lower quantities*

Overview

The ABB HLC3974-2 Bronze Hot Line Clamp is a reliable, UL-listed connector designed for overhead power distribution systems. Engineered for AWG 400 to 6 solid copper conductors, this clamp provides secure, low-resistance connections in high-voltage applications. The bronze construction ensures corrosion resistance and long-term durability in outdoor environments, meeting ASTM B139 standards for conductivity and mechanical strength. Key specifications include a 3/4" nut for mounting compatibility with standard hardware, ensuring easy installation on utility poles, transformers, and switchgear. The HLC series is optimized for hot-line maintenance, allowing energized conductor connections without service interruption. Typical applications include distribution line repairs, transformer taps, and grounding systems where mechanical strength and electrical integrity are critical. This clamp is part of ABB’s Installation Products line, a trusted brand in electrical infrastructure. The HLC3974-2 is rated for 600V systems and complies with ANSI C119.4 for hot-line clamps. For utility crews, its compact design and corrosion-resistant bronze alloy reduce maintenance cycles and improve operational efficiency. Always verify conductor compatibility and system voltage before installation.
  • Material: Bronze (ASTM B139 compliant)
  • Conductor Range: AWG 400 to 6 solid copper
  • Mounting: 3/4" nut for standard hardware compatibility
  • Voltage Rating: 600V systems (ANSI C119.4 compliant)
  • Applications: Overhead distribution, transformer taps, grounding systems

Specifications

Package Dimensions (L x W x H)
0.01 IN x 0.01 IN x 0.01 IN
Package Dimensions (L x W x H)
0.0254 cm x 0.0254 cm x 0.0254 cm
Package Weight (Imperial)
1.2400 L
Package Weight (Metric)
0.5630 kg
Insulation Piercing Connector 750 MCM - 3/0 AWG Insulation piercing connectors are made for use with copper-copper, copper to aluminum and aluminum to aluminum applications. They are safe to use and are completely insulated, no need to strip wire. They can be installed on energized conductors with no contact at any point. No spacer required between connections. Exclusive "turbo spacer" keeps tap side open while main conductor is being tightened. Watertight and corrosion-free.

IPCS7501

Insulation Piercing Connector 750 MCM - 3/0 AWG Insulation piercing connectors are made for use with copper-copper, copper to aluminum and aluminum to aluminum applications. They are safe to use and are completely insulated, no need to strip wire. They can be installed on energized conductors with no contact at any point. No spacer required between connections. Exclusive "turbo spacer" keeps tap side open while main conductor is being tightened. Watertight and corrosion-free.
Copper C-Tap for 600V Applications, Wire Range Main: 2-1/0, Branch 2-12, Length 1-1/16 Inches, Height 31/32 Inch, Tin Plated, Die Code 50, Die Color Code Orange

54740TP

Copper C-Tap for 600V Applications, Wire Range Main: 2-1/0, Branch 2-12, Length 1-1/16 Inches, Height 31/32 Inch, Tin Plated, Die Code 50, Die Color Code Orange
PowerTap Wedges -1033.5 kcmil tap, wire combinations 1033.5-1033.5

PT-103300

PowerTap Wedges -1033.5 kcmil tap, wire combinations 1033.5-1033.5
PowerTap Wedges -350-556 kcmil tap, wire combinations 336.4-266.8

PT-33602

PowerTap Wedges -350-556 kcmil tap, wire combinations 336.4-266.8
Locktite Copper Ground Bus Taps for Conductor Range 500-750 kcmil

31213

Locktite Copper Ground Bus Taps for Conductor Range 500-750 kcmil
Aluminum Multi-Tap Encapsulated Cable Blocks, Two-Way Configuration, Wire Range 2/0 kcmil-14 Str, Hex Size 3/16 Inch, Length 1.381 Inches, Outlets 2, Black PVC Insulation, Prefilled with Oxide Inhibitor and Capped. Includes Screws.

AMTD20142

Aluminum Multi-Tap Encapsulated Cable Blocks, Two-Way Configuration, Wire Range 2/0 kcmil-14 Str, Hex Size 3/16 Inch, Length 1.381 Inches, Outlets 2, Black PVC Insulation, Prefilled with Oxide Inhibitor and Capped. Includes Screws.
Aluminum Multi-Tap Encapsulated Cable Blocks, Two-Way Configuration, Wire Range 2/0 kcmil-14 Str, Hex Size 3/16 Inch, Length 2.106, Outlets 3, Black PVC Insulation, Prefilled with Oxide Inhibitor and Capped, includes Screws

AMTD20143

Aluminum Multi-Tap Encapsulated Cable Blocks, Two-Way Configuration, Wire Range 2/0 kcmil-14 Str, Hex Size 3/16 Inch, Length 2.106, Outlets 3, Black PVC Insulation, Prefilled with Oxide Inhibitor and Capped, includes Screws
AMT 2 Multi-Port Same Side PVC Connector, Ultraviolet Resistant, Wire Range 2/0-14 Str, Length 1.63 Inches, Width 1.50 Inches, Height 1.63 Inches, Hex Size 3/16 Inch, Black Insulation

AMTS20142

AMT 2 Multi-Port Same Side PVC Connector, Ultraviolet Resistant, Wire Range 2/0-14 Str, Length 1.63 Inches, Width 1.50 Inches, Height 1.63 Inches, Hex Size 3/16 Inch, Black Insulation

Frequently Asked Questions about ABB - Installation Products

How are Thomas and Betts products typically installed?

Thomas and Betts products are installed using a variety of methods tailored to specific applications, including the use of flexible cords and cable fittings, non-metallic cable glands, and armored cable fittings. Proper selection of fittings is crucial to match the cable type and installation environment, ensuring durability and preventing physical damage. Tools such as the Blackburn® Comfort Crimp® and HEX-FLEX® systems enhance installation efficiency and reliability, reducing labor time and ensuring secure connections.

What accessories are available for Thomas and Betts products?

Thomas and Betts offers a comprehensive range of accessories for their products, including various cord and cable fittings, non-metallic cable glands, service entrance cable fittings, and armored cable fittings. Their accessories are designed to enhance installation efficiency and ensure compatibility with different cable types and environmental conditions, providing reliable connections for a wide array of applications.

What environmental ratings do Thomas and Betts products have?

Thomas and Betts products feature robust environmental ratings, including NEMA Type 1, 2, 3, 4, 4X, 12, and 13 certifications, as well as IEC 60529 IP66 protection. These ratings ensure that their products are designed to withstand harsh industrial environments, with capabilities to resist dust, water, and corrosion, and operate effectively in a wide temperature range.

What communication protocols do Thomas and Betts products support?

Thomas and Betts products support a wide range of industrial communication protocols, including Ethernet, DeviceNet, PROFIBUS, Modbus, CANopen, and others. This extensive compatibility ensures seamless integration and reliable communication across various industrial automation systems, catering to diverse application needs.

What are the key features of Thomas and Betts products?

Thomas and Betts products are known for their innovative designs, high performance, and compliance with industry standards such as the National Electrical Code and Underwriters' Laboratories. They offer a comprehensive range of rugged and reliable electrical fittings, including liquidtight and dust-tight connections, which enhance installation efficiency and reduce overall project costs. Their products are engineered for durability in harsh environments, ensuring long-term reliability and lower installed costs.

What are the main product lines offered by Thomas and Betts?

Thomas and Betts offers a comprehensive range of product lines including electrical connectors, cable management systems, grounding and bonding solutions, and industrial automation components. Their products are designed for durability and reliability in demanding industrial environments, ensuring optimal performance and safety across various applications.

What technical support does Thomas and Betts offer?

Thomas and Betts offers comprehensive technical support, including access to field application engineers for onsite training and installation assistance. Their technical support staff is available to address inquiries related to product specifications and installation practices, ensuring optimal performance and safety of electrical systems. Additionally, they provide a variety of training programs to enhance the knowledge and skills of users in the field.

What industries and applications are Thomas and Betts products used for?

Thomas and Betts products are utilized across various industries including electrical construction, industrial automation, telecommunications, and utilities. Their extensive range of cord and cable fittings, electrical boxes, and metal framing systems are designed for applications that require durability and reliability in harsh environments, ensuring optimal performance in both permanent and temporary installations.

What certifications and standards do Thomas and Betts products comply with?

Thomas and Betts products comply with critical international certifications including UL (Underwriters Laboratories), CSA (Canadian Standards Association), and CE (European Community). Our products are designed to meet rigorous industrial standards such as NEMA enclosure ratings and IEC 60529 IP ratings, ensuring safety and reliability across various industrial applications.

What are the main product lines offered by Ocal?

Ocal offers a comprehensive range of corrosion-resistant conduit systems, including PVC-coated conduit and fittings, conduit bodies, hazardous location fittings, and strut accessories. Their products are designed to provide superior corrosion protection, featuring a hot-dipped galvanizing process and UL listed Type 4X PVC-coated conduit bodies, ensuring durability in the most demanding environments.