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ABB - Installation Products RRK 4 HS - Aluminum Heat-Shrink Compression Splice Kits, wire range 4, connector length 2 inch, insulator length 5-1/2 inch, dies 1/2 (3), color code Orange. For Aluminum Conductors Only.

ABB Installation Products RRK 4 HS Aluminum Heat-Shrink Compression Splice Kits, wire range 4, connector length 2 inch…

UPC: 783786746231


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Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.

Overview

The ABB RRK 4 HS Aluminum Heat-Shrink Compression Splice Kit (SKU: RRK 4 HS) is a precision-engineered solution for terminating and joining aluminum conductors in electrical distribution and transmission systems. This kit is specifically designed for single-conductor applications, ensuring a secure, insulated, and corrosion-resistant splice for 4 AWG aluminum wires. The connector measures 2 inches in length, providing ample surface area for a reliable compression connection, while the integrated heat-shrink insulator extends to 5-1/2 inches for robust electrical insulation and mechanical protection. The kit includes three 1/2-inch dies for compression, ensuring a consistent and durable crimp. The RRK 4 HS is part of ABB’s Installation Products line, a trusted brand in electrical connection solutions. For installation, use the Homac UT 3 or UT 3 M tool for wire sizes up to 4/0. The radiating rib design of the heat-shrink tubing dissipates heat efficiently, centers the watertight insulating cover, and ensures a perfect seal every time. The heavy-wall heat-shrink tubing allows for crimping the wires together before applying heat with a hot-air gun to create a fully sealed, watertight repair splice. This kit is ideal for applications requiring durable, long-lasting connections in harsh environments, such as underground installations, utility projects, and industrial electrical systems.
  • Designed for 4 AWG aluminum conductors only
  • Connector length: 2 inches; insulator length: 5-1/2 inches
  • Includes three 1/2-inch dies for compression
  • Orange color code for standardized identification
  • Heat-shrink tubing creates sealed, watertight splices
  • Radiating rib design ensures perfect seal and heat dissipation
  • Compatible with Homac UT 3 or UT 3 M tool for installation

Specifications

Application
Heat-Shrink Tubing Created Sealed, Watertight Splices
Color
Orange
Conductor Range
#4 AWG
Connection
Compression
Connection Type
Heat-Shrink Compression Splice
Connection Type
Heat-Shrink Compression
Material
Aluminum
Series
RRK
Size
4
Size
Connector 4-1/4 inches, Cover 7-1/4 inches
Size
4 AWG
Special Features
Heavy-Wall Heat-Shrink Tubing- Crimp the two pieces of wire together, then head the splice with a hot-air gun to get a fully sealed, watertight repair splice. Radiating Rib dissipates heat, centers the watertight insulating cover and seals perfectly every time. Prefilled with Oxide-Inhibitor to prevent oxidation and keep out moisture
Type
Compression Splice
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)
1.0000 L
Package Weight (Metric)
0.4540 kg
Aluminum Flood-Seal Compression Splice Kits, wire range 4, connector length 2 inch, insulator length 5-1/2 inch, dies 1/2 (3), color code Orange. For Aluminum Conductors Only.

RRK 4

Aluminum Flood-Seal Compression Splice Kits, wire range 4, connector length 2 inch, insulator length 5-1/2 inch, dies 1/2 (3), color code Orange. For Aluminum Conductors Only.
Pre-Insulated Service Entry Sleeves 3-4 Str - 4 Sol Pre-insulated service entry sleeves are used for fast and easy installation with standard tools. For combinations of aluminum-aluminum and aluminum-copper conductors. Meets the requirements of ANSI C119.4. Rated 600 Volts.

ISE68

Pre-Insulated Service Entry Sleeves 3-4 Str - 4 Sol Pre-insulated service entry sleeves are used for fast and easy installation with standard tools. For combinations of aluminum-aluminum and aluminum-copper conductors. Meets the requirements of ANSI C119.4. Rated 600 Volts.
The SCS3/0-X Copper Compression Lug Lug, standard barrel, has color-coded barrels marked with Panduit and specified competitor die index numbers for proper crimp die selection. An inspection window aids to visually assure full conductor insertion, and the tin-plate material helps to inhibit corrosion. UL Listed and CSA Certified to 35 KV and temperature rated to 90 C.

SCS3/0-X

The SCS3/0-X Copper Compression Lug Lug, standard barrel, has color-coded barrels marked with Panduit and specified competitor die index numbers for proper crimp die selection. An inspection window aids to visually assure full conductor insertion, and the tin-plate material helps to inhibit corrosion. UL Listed and CSA Certified to 35 KV and temperature rated to 90 C.
Aluminum Flood-Seal Compression Splice Kits, wire range 4/0, connector length 4-1/2 inch, insulator length 7-1/2 inch, dies 840,TX,76,249,11A, no color code. For Aluminum Conductors Only.

RRK 35040

Aluminum Flood-Seal Compression Splice Kits, wire range 4/0, connector length 4-1/2 inch, insulator length 7-1/2 inch, dies 840,TX,76,249,11A, no color code. For Aluminum Conductors Only.
Aluminum Flood-Seal Compression Splice Kits, wire range 336.4-350 kcmil AL-CU 266.8 (26/7) 336.4 (18/1) ACSR, Kit contains Splice, Cover and Cap, Silicone Grease.

FSK 350

Aluminum Flood-Seal Compression Splice Kits, wire range 336.4-350 kcmil AL-CU 266.8 (26/7) 336.4 (18/1) ACSR, Kit contains Splice, Cover and Cap, Silicone Grease.
Aluminum Flood-Seal Compression Splice Kits, wire range 4/0, connector length 4-1/4 inch, insulator length 7-1/4 inch, dies 5/8 (7), color code Pink. For Aluminum Conductors Only.

RRK 40

Aluminum Flood-Seal Compression Splice Kits, wire range 4/0, connector length 4-1/4 inch, insulator length 7-1/4 inch, dies 5/8 (7), color code Pink. For Aluminum Conductors Only.
Aluminum Heat-Shrink Compression Splice Kits, wire range 4/0, connector length 4-1/4 inch, insulator length 7-1/4 inch, dies 5/8 (7), color code Pink. For Aluminum Conductors Only.

RRK 40 HS

Aluminum Heat-Shrink Compression Splice Kits, wire range 4/0, connector length 4-1/4 inch, insulator length 7-1/4 inch, dies 5/8 (7), color code Pink. For Aluminum Conductors Only.
Aluminum Flood-Seal Compression Splice Kits, wire range 1/0, connector length 4-1/4 inch, insulator length 7-1/4 inch, dies 5/8 (7), color code Pink/Yellow. For Aluminum Conductors Only.

RRK 4010

Aluminum Flood-Seal Compression Splice Kits, wire range 1/0, connector length 4-1/4 inch, insulator length 7-1/4 inch, dies 5/8 (7), color code Pink/Yellow. For Aluminum Conductors Only.

How to Install a Heat-Shrink Compression Splice Kit

This guide provides step-by-step instructions for safely installing a heat-shrink compression splice kit, including cable preparation, connector crimping, and heat-shrink application. Installation should be performed by a qualified electrician in accordance with national and local electrical codes.

Estimated time: 30m

Tools needed:

Wire brush, Gas torch, Crimping tool with recommended die, Safety glasses, Protective gloves

Supplies needed:

Heat-shrink tubing, Compression connector, Oxide inhibitor (for aluminum conductors), Cable

  1. Strip Cable Insulation

    WARNING: Risk of electrical shock. Disconnect all power before beginning installation. Strip both ends of the cable insulation to a length equal to half the connector's length plus 1/4 inch. Refer to Figure 1 in the documentation for visual guidance.

  2. Clean Cable Insulation

    Thoroughly clean the stripped cable insulation on both ends to ensure proper adhesion and connection.

  3. Position Heat-Shrink Tubing

    Carefully slide the heat-shrink tubing over one of the clean cable ends. Ensure the tubing is protected from possible damage by the conductor strands as it passes over the cable end. Refer to Figure 2 in the documentation.

  4. Prepare Conductor Strands

    Wire brush the conductor strands to remove any oxidation. If working with aluminum conductors, apply an oxide inhibitor and thoroughly wire brush it into the strands.

  5. Install and Crimp Connector

    Install the compression connector onto the prepared conductor ends. Crimp the connector using the recommended die size indicated on the connector itself. After crimping, clean and deburr the connector if required. Refer to Figure 3 in the documentation.

  6. Shrink Heat-Shrink Tubing

    Center the heat-shrink tubing over the crimped splice and hold it in position. Using a gas torch, apply the outer 3-4 inch tip of the flame to the heat-shrinkable material with a rapid, brushing motion. Keep the flame constantly moving to prevent scorching. Begin shrinking at the center of the tube, applying uniform heat around all sides. Once the center is shrunk, work the torch towards one end, then to the opposite end, until the entire tube is completely shrunk. Refer to Figure 4 in the documentation. Always follow manufacturer's safety precautions for gas torches and check equipment for leaks prior to use.

  7. Inspect and Cool Splice

    Inspect the completed splice. A properly installed heat-shrink tube will appear smooth, conform tightly to the connection, and show visible adhesive at both ends. Reheat any flat spots or wrinkles as needed. Allow the entire installation to cool completely before touching, moving, or placing it into service.

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