Authorized ABB Distributor (Installation Products)
ABB - Installation Products HLC3974-1 - Hot Line Clamp, Bronze, 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.

ABB Installation Products HLC3974-1 Hot Line Clamp, Bronze, Front Tap 9/16 Nut, Conductor Ranges Main 400 KCMIL, Stranded…

UPC: 783786129324

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Overview

The ABB HLC3974-1 Hot Line Clamp is a bronze, front-tap compression connector designed for reliable electrical connections in overhead distribution systems. This clamp accommodates a main conductor range of 400 KCMIL stranded (size 6) and 185–16 sq mm solid, with a tap conductor range of 4/0 AWG stranded (size 6) and 95–16 sq mm solid. The front tap features a 9/16-inch nut for secure attachment, ensuring mechanical and electrical integrity in high-load applications. Hot line clamps are critical in utility and industrial power distribution, where live-line maintenance and secure tap-offs are required. The bronze construction provides corrosion resistance and long-term conductivity, reducing the risk of hot spots and connection failures. This clamp is optimized for use in overhead lines, substations, and industrial switchgear where stranded or solid conductors must be joined under load. Key applications include utility pole connections, transformer taps, and branch circuit extensions in medium-voltage systems. The HLC3974-1 meets industry standards for mechanical strength and electrical continuity, ensuring compliance with NEC and utility specifications. Installation requires standard compression tools and follows ABB’s recommended crimping procedures for optimal performance.
  • Bronze construction for corrosion resistance and conductivity
  • Main conductor range: 400 KCMIL stranded (size 6), 185–16 sq mm solid
  • Tap conductor range: 4/0 AWG stranded (size 6), 95–16 sq mm solid
  • Front tap with 9/16-inch nut for secure attachment
  • Designed for overhead distribution, substations, and industrial switchgear

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)
1.2600 L
Package Weight (Metric)
0.5720 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
Hot Line Clamp, Bronze, Contax filled, Front Tap - 11/16 nut, Conductor Ranges Main 400 KCMIL, Stranded - 6, Solid 185 - 16 sq mm, TAP 4/0 Stranded - 6 Solid 95 - 16 sq mm.

HLC39749

Hot Line Clamp, Bronze, Contax filled, Front Tap - 11/16 nut, Conductor Ranges Main 400 KCMIL, Stranded - 6, Solid 185 - 16 sq mm, TAP 4/0 Stranded - 6 Solid 95 - 16 sq mm.
Aluminum Type HLC - Hot Line Clamps for wire range Main AWG 400 - 6 Solid, Main ASCR 397.5 - 6. Plated

HLC3974AP

Aluminum Type HLC - Hot Line Clamps for wire range Main AWG 400 - 6 Solid, Main ASCR 397.5 - 6. Plated
Hot line clamp, Aluminum, Tin Plated, Contax filled, Front Tap, 11/16 Nut, Conductor Range Main 400 kcmil Stranded - 6 Solid, 185-16 sqmm, TAP 4/0 Stranded - 6 SOL, 95-16 sq mm Main 397.5 - 6 ACSR, TAP 3/0 - 6 ACSR

HLC3974AP9

Hot line clamp, Aluminum, Tin Plated, Contax filled, Front Tap, 11/16 Nut, Conductor Range Main 400 kcmil Stranded - 6 Solid, 185-16 sqmm, TAP 4/0 Stranded - 6 SOL, 95-16 sq mm Main 397.5 - 6 ACSR, TAP 3/0 - 6 ACSR
Hot Line Clamp, Aluminum, 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. Main 397-5 - 6 ACSR, TAP 3/0 - 6 ACSR

HLC3974AP9-1

Hot Line Clamp, Aluminum, 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. Main 397-5 - 6 ACSR, TAP 3/0 - 6 ACSR
Bronze Type HLC - Hot Line Clamps for wire range Main AWG 400 - 6 Solid. Plated

HLC3974P

Bronze Type HLC - Hot Line Clamps for wire range Main AWG 400 - 6 Solid. Plated
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

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

Frequently Asked Questions about ABB - Installation Products

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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.