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The 3M 7000006049 is a bus bar heat shrink tubing designed to insulate and protect rectangular, square, and round bus bars in electrical distribution systems. Constructed from a specially formulated cross-linked polyolefin, this tubing is both flame retardant and track resistant, making it suitable for demanding electrical environments. It shrinks to conform tightly around the bus bar profile, providing a durable insulating layer. The tubing is sold in a 50-foot length and is commonly installed by licensed electricians and electrical contractors working on switchgear, panelboards, and bus bar assemblies.
This tubing is appropriate for use in commercial and industrial electrical applications where bus bars require reliable insulation and mechanical protection. The cross-linked polyolefin construction maintains integrity under thermal stress and resists tracking caused by surface contamination or moisture. It is suited for retrofitting existing bus bar installations as well as new construction work where insulation of conductors and bus systems is required by code.
Designed as an OEM-style insulation solution for rectangular, square, and round bus bars in electrical distribution and switchgear applications.
Installation should be performed by a qualified electrician in accordance with applicable NEC requirements. De-energize and lock out the bus bar system completely before applying the tubing. Use an appropriate heat gun set to the manufacturer-recommended temperature range to achieve uniform shrinkage along the full length of coverage. Avoid overheating any single section, as uneven application can compromise the insulating integrity of the tubing.
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