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ABB - Installation Products HLC3974P-1 - Hot Line Clamp, Bronze, Tin-Plated, Contax Filled, Front Tap - 9/16 nut. Conductor Ranges Main 400 KCMIL, Stranded - 6, Solid 185 - 16 sq mm, TAP 4/0 Stranded - 6 Solid 95 - 16 sq mm. TAP 3/0 - 6 ACSR

ABB Installation Products HLC3974P-1 Hot Line Clamp, Bronze, Tin-Plated, Contax Filled, Front Tap - 9/16 nut. Conductor…

UPC: 783786129348

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Overview

The ABB HLC3974P-1 Hot Line Clamp is a high-conductivity bronze clamp with tin-plated finish, designed for reliable electrical connections in overhead and underground distribution systems. Engineered for 400 KCMIL main conductors (stranded 6 AWG or solid 185–16 mm²) and 4/0 AWG tap conductors (stranded 6 AWG or solid 95–16 mm²), this clamp supports 3/0 AWG ACSR tap configurations. The front tap connection features a 9/16-inch nut for secure, tool-free installation in tight spaces. The contax-filled design ensures long-term corrosion resistance and stable electrical performance in harsh environments, including coastal or industrial areas with high humidity or chemical exposure. Compatible with both solid and stranded conductors, the HLC3974P-1 reduces installation time by eliminating the need for additional taping or potting compounds. Ideal for utility, renewable energy, and industrial applications where durable, low-maintenance connections are critical. The bronze material provides superior mechanical strength and thermal stability, while the tin plating enhances conductivity and prevents oxidation. This clamp meets utility-grade standards for mechanical and electrical performance, ensuring compliance with NEC and IEEE requirements for hot-line work.
  • Material: Bronze with tin-plated finish for corrosion resistance and conductivity
  • Main conductor range: 400 KCMIL (stranded 6 AWG, solid 185–16 mm²)
  • Tap conductor range: 4/0 AWG (stranded 6 AWG, solid 95–16 mm²) and 3/0 AWG ACSR
  • Front tap connection with 9/16-inch nut for secure, tool-free installation
  • Contax-filled design for long-term environmental protection

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)
0.7400 L
Package Weight (Metric)
0.3360 kg
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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.
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Hot Line Clamp, Aluminum, Tin-Plated, Contax Filled, Front Tap - 3/4 nut. Conductor Ranges Main 400 KCMIL, Stranded - 6, Solid 185 - 16 sq mm, TAP 4/0 Stranded - 6 Solid 95 - 16 sq mm. Main 397-5 - 6 ACSR, TAP 3/0 - 6 ACSR

HLC3974AP9-2

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Aluminum Multi-Tap Encapsulated Cable Blocks - One-Way Configuration, Wire Range 500 kcmil-6 Str, Screw Size 5/16 Hex, Length 2.71 Inches, Width 2.38 Inches, Height 2.75 Inches, Outlets 2, Clear Insulation

CSB 500-2 S

Aluminum Multi-Tap Encapsulated Cable Blocks - One-Way Configuration, Wire Range 500 kcmil-6 Str, Screw Size 5/16 Hex, Length 2.71 Inches, Width 2.38 Inches, Height 2.75 Inches, Outlets 2, Clear Insulation
Aluminum Multi-Tap Encapsulated Cable Blocks, One-Way Configuration, Wire Range 500 kcmil-6 Str, Hex Size 5/16 Inch, Length 3.99 Inches, Width 2.38 Inches, Height 2.75 Inches, Outlets 3, Clear Insulation

CSB 500-3 S

Aluminum Multi-Tap Encapsulated Cable Blocks, One-Way Configuration, Wire Range 500 kcmil-6 Str, Hex Size 5/16 Inch, Length 3.99 Inches, Width 2.38 Inches, Height 2.75 Inches, Outlets 3, Clear Insulation
Aluminum Multi-Tap Encapsulated Cable Blocks - One-Way Configuration, Wire Range 350 kcmil-10 Str, Screw Size 5/16 Hex, Length 2.22 Inches, Width 2.37 Inches, Height 2.50 Inches, Outlets 2, Clear Insulation

CSB 350-2 S

Aluminum Multi-Tap Encapsulated Cable Blocks - One-Way Configuration, Wire Range 350 kcmil-10 Str, Screw Size 5/16 Hex, Length 2.22 Inches, Width 2.37 Inches, Height 2.50 Inches, Outlets 2, Clear Insulation
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CSB 750-2 S

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Frequently Asked Questions

Can the HLC3974P-1 be used with both solid and stranded conductors?

Yes, the clamp supports both solid and stranded conductors within the specified size ranges.

What conductor sizes does the HLC3974P-1 support?

The main conductor range is 400 KCMIL (stranded 6 AWG or solid 185–16 mm²), and the tap conductor range is 4/0 AWG (stranded 6 AWG or solid 95–16 mm²) with 3/0 AWG ACSR compatibility.

What is the material composition of the HLC3974P-1?

The clamp is made of bronze with a tin-plated finish for enhanced conductivity and corrosion resistance.

What type of connection does the HLC3974P-1 use?

The clamp features a front tap connection with a 9/16-inch nut for secure and tool-free installation.

Is the HLC3974P-1 suitable for outdoor installations?

Yes, the bronze material with tin plating and contax filling provides corrosion resistance, making it ideal for outdoor and harsh environments.

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