Electriduct 7/8ft Heat Shrink Tubing 2:1 Shrinkable Tube - 100 ft

In this review the Electriduct 7/8' Heat Shrink Tubing is evaluated as a practical solution for anyone needing a long run of electrical insulation or cable sleeving. The bottom line: this 100 ft green tubing is best for hobbyists, electricians, and automotive DIYers who need reliable electrical protection and corrosion resistance at a low cost. The most persuasive reason to buy is its 2:1 shrink ratio that reliably reduces diameter to about half while maintaining good insulation and heat resistance for up to 600V.

Key Features

• 7/8' Diameter: Provides a wide initial opening that fits over bundled wires and connectors before shrinking for a snug fit.
• 100 ft Length: Long continuous length covers multiple runs and projects without frequent restocking, though very long rolls may include splices.
• 2:1 Shrink Ratio: Shrinks down to approximately half its original diameter to create tight, protective insulation over splices and cable joints.
• Electrical Ratings: UL listed and rated up to 600V for basic electrical protection in many wiring and automotive applications.
• Material Safety: RoHS compliant and halogen-free construction reduces hazardous substances and improves safety in enclosed environments.
• Durability: High temperature resistance and good corrosion resistance help the tubing maintain tightness and insulation over time.

Who It's For

This product is aimed at DIYers, electricians, and automotive technicians who need a long, continuous run of heat shrink for bundling, insulating, and repairing wiring. The 7/8' initial diameter and 2:1 shrink ratio make it especially useful for covering multi-conductor bundles, connectors, and for reinforcing repair points in power and signal cables.

Those who need exact color-matching across many different sizes or unspliced lengths greater than 50 ft for cosmetic installations should consider alternatives or plan for possible color variance and occasional splices. For precision laboratory or medical wiring where exact dimensional tolerances beyond 5% are required, a more tightly specified product may be preferable.

Pros & Cons

Pros

• Good value: 100 ft length provides many uses for a single purchase without frequent replacements.
• Reliable shrink performance: Shrinks to about half diameter without cracking, providing tight electrical insulation.
• Safety and durability: UL listed, RoHS compliant, halogen-free, and rated up to 600V with high temperature resistance.
• Versatile use: Suitable for wiring, automotive repairs, and general electrical protection tasks.

Cons

• Color consistency: Some customers report that color between sizes may not match precisely and shades can vary.
• Long lengths: Rolls of 50 ft or more may contain splices, which can surprise those expecting a single continuous run.

Specifications

Diameter (original)	7/8' (0.875 in)
Length	100 ft
Shrink Ratio	2:1 (shrinks to half)
Voltage Rating	Up to 600V
Compliance	RoHS compliant, UL listed, halogen-free
Application	Wiring, automotive, electronic and electrical uses
Size tolerance	Varies by about 5%

Our Verdict

The Electriduct 7/8' heat shrink tubing is a practical, cost-effective choice for most electrical and automotive tasks where a 2:1 shrink ratio and a long run are needed. It offers solid insulation, good temperature and corrosion resistance, and useful safety certifications, making it a sensible buy for DIYers and pros who value durability and value over precise color matching or single-piece ultra-long lengths.

Frequently Asked Questions

Will this tubing fit over connector assemblies?
Yes, the 7/8' starting diameter is wide enough for many connector assemblies and bundled wires before shrinking to a snug fit.

Does the tubing withstand high temperatures?
Yes, it is described as high temperature resistant and suitable for many automotive and electrical environments.

Will the 100 ft spool be one continuous piece?
Possibly not; lengths of 50 ft or longer may contain splices, so expect occasional joins on long rolls.