Heat Shrink 2:1 Tubing for Branch Wires — 2, 3, 4 & 5 Cores, 10–400mm²
Heat Shrink 2:1 Tubing for Branch Wires — 2, 3, 4 & 5 Cores, 10–400mm²
Heat Shrink 2:1 Tubing for Branch Wires — 2, 3, 4 & 5 Cores, 10–400mm²
Heat Shrink 2:1 Tubing for Branch Wires — 2, 3, 4 & 5 Cores, 10–400mm²
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Heat Shrink 2:1 Tubing for Branch Wires — 2, 3, 4 & 5 Cores, 10–400mm²Heat Shrink 2:1 Tubing for Branch Wires — 2, 3, 4 & 5 Cores, 10–400mm²Heat Shrink 2:1 Tubing for Branch Wires — 2, 3, 4 & 5 Cores, 10–400mm²Heat Shrink 2:1 Tubing for Branch Wires — 2, 3, 4 & 5 Cores, 10–400mm²

Heat Shrink 2:1 Tubing for Branch Wires — 2, 3, 4 & 5 Cores, 10–400mm²

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Beschreibung

Heat Shrink Branch Tubing 2:1 — Clean, Insulated Wire Splits for Multi-Core Cables

Electricians, panel builders, and DIY enthusiasts know the frustration of a messy cable branch point — exposed conductors, uneven tape wraps, and junctions that look unprofessional and invite moisture ingress. Heat shrink branch tubing solves this in minutes, delivering a factory-neat finish at every wire split without the need for tape, tie-wraps, or additional insulation sleeves.

Each piece of heat shrink branch tubing is pre-formed to accept a specific number of conductors — available in 2-core, 3-core, 4-core, and 5-core configurations — and fits cable cross-sections ranging from 10mm² up to 400mm². The 2:1 shrink ratio means the tubing contracts to half its original diameter when heat is applied, creating a firm, uniform grip around the cable jacket and each individual conductor branch. Dual-unit sizing is available across the range (e.g., 10–16mm² ≈ AWG 6–8 equivalent range).

Typical applications include electrical panel wiring and junction box terminations, motor lead dressing in industrial cable harnesses, and outdoor distribution cable branch points where a moisture-resistant, UV-tolerant seal is needed. The tubing is also widely used for heat shrink wire branch sleeving in automotive and marine wiring looms.

ℹ️ Compatibility Note: Select the core count that matches your cable (2, 3, 4, or 5 conductors), then choose the cross-section group that covers your wire gauge. If your cable sits at the upper end of a range, size up to the next group for easier installation.

✅ Key Features of These Heat Shrink Branch Tubing Pieces

  • 🔥2:1 Shrink Ratio — Shrinks to half its original inner diameter for a firm, gap-free grip around the cable jacket and each conductor branch, eliminating the need for additional tape or filler.
  • 🔌Multi-Core Pre-Formed Design — Available in 2, 3, 4, and 5-core configurations, each branch outlet is pre-positioned to align with standard round multi-core cable geometry for a clean, symmetrical finish.
  • 📏Wide Cross-Section Coverage — Four size groups per core count (10–16mm², 25–50mm², 70–120mm², 150–240mm², and 300–400mm²) cover the full range from light control wiring to heavy power cables.
  • 🌧️Moisture-Resistant Polyolefin Material — Polyolefin construction provides reliable insulation and resistance to moisture, making it suitable for indoor panel work and protected outdoor cable branch points.
  • ⚡Electrical Insulation at the Branch Point — Covers the exposed conductor split zone, reducing the risk of accidental contact, short circuits, and contamination in junction boxes and cable trays.
  • 📦Flexible Pack Quantities — Available in packs of 1, 2, 3, 5, 10, or 20 pieces so you can order exactly what your project requires without overstocking or running short mid-job.

📐 Technical Specifications — Heat Shrink Branch Tubing

Product Type Pre-formed Heat Shrink Branch Tubing
Shrink Ratio 2:1
Core Configurations 2-Core, 3-Core, 4-Core, 5-Core
Cable Cross-Section Range 10–16mm², 25–50mm², 70–120mm², 150–240mm², 300–400mm²
Material Polyolefin (typically)
Shrink Temperature Typically 90–120°C (195–250°F)
Color See variant options
Voltage Rating Contact us to confirm
Applicable Standards Contact us to confirm
Pack Quantities Available 1, 2, 3, 5, 10, 20 pcs
Country of Origin See variant options
⚠️ Sizing Tip: Measure your cable's outer diameter and each conductor's cross-section before ordering. If your cable is at the upper limit of a size group, select the next larger group to ensure the tubing slides over the jacket before shrinking.

❓ Frequently Asked Questions

How do I choose the right type and core count for my cable?

Match the core count (2, 3, 4, or 5) to the number of conductors in your cable. Then select the cross-section range that covers your wire gauge — for example, a 16mm² conductor falls in the 10–16mm² group. When in doubt, size up to ensure the tubing slides over the cable jacket before shrinking.

What does the 2:1 shrink ratio mean?

A 2:1 ratio means the tubing shrinks to half its original inner diameter when heat is applied. This generally provides a snug, secure fit over the cable branch point without requiring adhesive lining.

What temperature is needed to shrink this tubing?

Typically, a heat gun set to around 90–120°C (195–250°F) is sufficient. Move the heat gun evenly around the tubing to avoid scorching. A standard heat gun works well; an open flame is generally not recommended.

Is this heat shrink tubing suitable for outdoor or UV-exposed installations?

This tubing is generally made from polyolefin, which offers good resistance to moisture and mild UV exposure. For prolonged direct sunlight or harsh outdoor environments, confirm the specific material grade with us before ordering.

What wire standards and insulation types is this compatible with?

The branch tubing is designed to fit standard round multi-core cables. It is generally compatible with PVC, XLPE, and rubber-insulated cables within the listed cross-section ranges. Contact us to confirm compatibility with specialty cable jackets.

Can I use this for electrical panel wiring or industrial cable management?

Yes. Branch heat shrink tubing is commonly used in electrical panels, junction boxes, motor wiring, and industrial cable harnesses where a clean, insulated branch point is required. Always verify voltage ratings with your local electrical code requirements.

How many pieces do I need for a project?

Each piece covers one branch junction point. Order the quantity that matches the number of branch points in your project. We offer packs of 1, 2, 3, 5, 10, and 20 pieces so you can buy exactly what you need.

🛒 Select your type and quantity above, then add to cart — ships from our US warehouse.

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