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The 3M 7000031529 is a printed wire marker tape refill roll pre-printed with the letter N. Designed for use with compatible 3M wire marker dispensers, these rolls provide clear, consistent conductor identification on wiring installations. Each roll delivers legible, durable markings suited for panel wiring, junction box terminations, and other electrical labeling tasks. Licensed electricians and low-voltage technicians rely on wire markers like these to meet labeling requirements and reduce identification errors during installation and maintenance. The box contains 10 rolls, making it practical for ongoing project work or shop stock.
Wire marker tape refill rolls are used in residential, commercial, and light industrial electrical work wherever conductors require identification at terminals, breakers, or splice points. These rolls are particularly useful during panel builds, retrofit wiring projects, and any application where consistent, repeatable conductor labeling is required. The pre-printed letter N makes them ready to apply without additional tools or printing equipment.
Designed as a refill roll for use with 3M wire marker tape dispenser systems that accept the SDR-N roll format.
Wire marker tape is applied by qualified electricians or low-voltage technicians as part of conductor identification procedures. De-energize all circuits before working in panels or on terminal blocks where markers will be applied. No special tools are required for application, but ensure the conductor surface is clean and dry for proper adhesion. Follow applicable NEC requirements for conductor marking and identification in your jurisdiction.
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