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The 3M 7000057978 is a thin-wall heat shrink tubing from the FP-301 series, supplied on a 100-foot spool in yellow. Designed for use across a broad range of industrial and military applications, FP-301 tubing delivers a reliable balance of electrical insulation, physical protection, and chemical resistance. The thin-wall construction allows the tubing to conform tightly over wire splices, terminals, and connectors once heat is applied. It is a standard choice for electricians, maintenance technicians, and aerospace or defense assembly personnel who require a dependable, color-coded insulation and bundling solution.
FP-301 thin-wall heat shrink tubing is suited for electrical insulation, wire harnessing, strain relief, and environmental sealing in both industrial facilities and field service environments. The yellow color supports color-coded circuit identification, a common practice in multi-conductor wiring assemblies and panel builds. Each spool contains 100 feet of tubing, making it practical for production runs or recurring service work requiring consistent lengths.
Designed as an OEM-style heat shrink solution for electrical insulation, wire bundling, and connector protection applications across industrial and military wiring assemblies.
Heat shrink tubing is installed by licensed electricians or trained technicians following applicable NEC guidelines for the installation environment. De-energize all circuits before positioning tubing over conductors or terminals. Apply heat evenly using a heat gun set to an appropriate temperature range, working from the center of the tubing outward to prevent air pockets. Do not use an open flame as a heat source, as uneven heat can damage the tubing or underlying components.
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