

Manufacturer pricing rules prevent us from advertising our discount — no account or email required to see it.
Secure Payments
Easy Returns
Expert Advice
Fast Shipping
The 3M 7010398879 is a heat shrink thin-wall tubing sold as the EPS-300 series, designed for environmental protection and electrical insulation in wiring and termination applications. Each pack contains 10 pieces cut to 6 inches in length. The tubing is red and sized at a nominal 1/2 inch diameter, making it appropriate for bundling, protecting, and insulating wire splices, connectors, and conductor ends. Licensed electricians, HVAC technicians, and panel wiring professionals commonly use this product during low-voltage and line-voltage wiring work where moisture, abrasion, and contamination resistance are required at connection points.
This tubing is suited for residential and light commercial electrical and HVAC control wiring applications. It is applied over wire splices, terminal connections, and exposed conductors to provide a secure environmental barrier after heat is applied. The 6-inch cut length accommodates a wide range of standard termination and splice scenarios without requiring field cutting in most installations. Packs of 10 pieces are sold as the standard unit of measure.
Designed as a general-purpose heat shrink sleeve for wire splices, terminals, and conductor insulation in electrical and low-voltage HVAC control wiring applications.
Installation is performed by licensed electricians or qualified HVAC technicians. Always de-energize the circuit and verify zero voltage with a meter before working on any wiring connection. Slide the tubing over the conductor or splice before making the final connection, then apply uniform heat using a heat gun to shrink the tubing evenly around the joint. Avoid open flame for shrinking, as uneven heat can damage the tubing or underlying insulation.
Thanks for subscribing!
This email has been registered!