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The 3M 7010297633 is a heavy-wall, flame-retardant heat shrink cable sleeve designed for electrical splices, connections, and terminations in demanding service environments. Constructed from cross-linked polyolefin with a factory-applied internal adhesive and sealant, it provides mechanical protection, moisture resistance, and a secure, split-resistant seal on completion. The sleeve measures 48 inches in length and is rated to MIL-DTL-23053/15, Class 1, making it suitable for applications where military-grade performance standards are required. Fast shrink characteristics allow for rapid installation, reducing labor time during field service or panel work. Licensed electricians and industrial maintenance technicians are the primary installers of this product.
This cable sleeve is used in residential, commercial, and industrial electrical applications where splice and termination protection against moisture, vibration, and contaminants is required. Its flame-retardant rating makes it appropriate for installations where fire resistance is a code or specification requirement. The 48-inch length accommodates longer runs or multiple connections without needing additional sleeve segments. The red color aids in circuit identification and organization in bundled wiring systems.
Designed as a heavy-wall heat shrink sleeve for electrical splices, terminations, and connections; select the size equivalent to the expanded inside diameter required for the conductor or bundle being protected.
Installation is typically performed by licensed electricians or qualified industrial maintenance technicians. De-energize and lock out all circuits before applying the sleeve to any splice or termination. Apply heat evenly along the sleeve using an appropriate heat gun, working from the center outward to prevent air pockets and ensure uniform adhesive flow. Follow all applicable NEC requirements for the installation environment and conductor type.
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