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The 3M 7100025971 is a thin-wall heat shrink tubing supplied on a 50-foot spool in red. Part of the FP-301 series, this tubing delivers a balanced combination of electrical insulation, physical durability, and chemical resistance suited to industrial and military-grade wiring applications. The red color coding aids in quick visual identification during installation and inspection. Licensed electricians and industrial maintenance technicians use FP-301 tubing to protect wire splices, terminations, and harness bundles where a reliable, conforming insulation sleeve is required.
FP-301 thin-wall heat shrink tubing is used across a broad range of applications including wire harnessing, cable bundling, and component insulation in both industrial facilities and military equipment environments. It is well suited for residential and commercial electrical work where color-coded insulation is needed for conductor identification or protection at termination points. The 50-foot spool format supports continuous runs or multiple cuts from a single unit, reducing waste on larger jobs.
Designed as an OEM-style heat shrink sleeve for use on wire splices, terminals, and cable bundles in industrial and military wiring assemblies where thin-wall shrink tubing meeting FP-301 series specifications is required.
Installation is performed by licensed electricians or qualified industrial maintenance technicians. De-energize all circuits completely before applying heat shrink tubing to any conductor or termination. Use a calibrated heat gun at the appropriate temperature setting for FP-301 material — do not use an open flame. Follow applicable NEC guidelines for insulation type and wire protection in the specific installation environment.
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