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The 3M 7010320057 is a thin-wall heat shrink tubing supplied on a 1000-foot bulk spool, part of the FP-301 series. It is designed to provide electrical insulation, strain relief, and environmental protection on wire terminations, splices, and cable bundles. The tubing measures 3/64 inch in nominal diameter before shrinking and is clear in color, allowing inspection of the conductor or connection beneath the sleeve after installation. FP-301 is rated for a broad range of industrial and military wiring applications where a reliable, conforming insulation layer is required.
This tubing is well suited for use in control panels, wire harness assemblies, and field wiring repairs across electrical, HVAC, and industrial service work. The bulk 1000-foot spool format is practical for shop use, panel shops, or service vehicles where technicians need consistent access to a common wire insulation size. The 3/64 inch diameter fits fine-gauge conductors and small-diameter wire terminations typical in low-voltage control wiring and instrumentation circuits.
Designed as a general-purpose thin-wall heat shrink sleeve for fine-gauge conductors and wire terminations requiring a 3/64 inch nominal diameter insulation sleeve.
Installation is performed by electricians, HVAC technicians, and electronics technicians using a heat gun set to the appropriate shrink temperature for FP-301 material. De-energize and lock out the circuit before applying any insulation sleeve to a conductor or termination. Do not use an open flame to shrink the tubing, as uneven heat can damage the sleeve or the underlying conductor insulation. Follow applicable NEC guidelines for insulation type and rating when selecting heat shrink for a specific wiring application.
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