3M 7000133502 Heat Shrink Thin-wall Tubing 3/8 in Clear

Product Description

The 3M 7000133502 is a thin-wall heat shrink tubing made from flexible polyolefin, supplied on a small spool in a 48-inch length. It is designed to insulate, protect, and bundle wire connections, splices, and terminals in electrical and low-voltage wiring applications. The tubing is rated for use across a broad range of wiring tasks where a clean, conforming seal over conductors or connectors is required. The clear finish allows visual inspection of the underlying connection after shrinking. Electricians, HVAC technicians, and panel wiring professionals regularly use this product during installation and service work.

This tubing is suited for residential and light commercial electrical applications, including control wiring, harness repair, and terminal insulation in HVAC systems, panels, and appliances. The 3/8-inch diameter and 48-inch spool length make it practical for moderate-volume wiring tasks on the bench or in the field. The clear polyolefin material is flexible after shrinking, which reduces stress on connections in areas subject to vibration or movement.

Key Features

• Flexible polyolefin construction conforms tightly to conductors and terminals after heat application
• Clear finish allows visual confirmation of underlying connection integrity
• Thin-wall design reduces overall bundle diameter while maintaining insulation coverage
• 48-inch spool length suitable for multiple connections per piece
• 3/8-inch nominal diameter fits a range of common wire gauges and terminal sizes

Compatibility

Designed as an OEM-style replacement and general-use heat shrink tubing for electrical insulation and wire protection applications across residential and commercial wiring installations.

Installation Notes

Installation is performed by licensed electricians or qualified HVAC and appliance technicians. De-energize all circuits before applying heat shrink tubing to any live wiring assembly. Apply heat evenly using a heat gun, working from the center of the tubing outward to prevent air pockets or uneven shrinkage. Follow applicable NEC guidelines for wire insulation and bundling requirements.

Technical Specifications

• Nominal Diameter: 3/8 inch
• Length: 48 inches
• Material: Flexible polyolefin
• Color: Clear
• Weight: 0.06 pounds
• UPC: 00051128595855

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7000133502