{"product_id":"3m-7000031521-wire-marker-tape-refill-roll-letter-f","title":"3M 7000031521 Wire Marker Tape Refill Roll Letter F","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe 3M 7000031521 is a printed wire marker tape refill roll designed for use with compatible 3M wire marker dispensers. Each roll is pre-printed with the letter F, providing clear, consistent wire and cable identification in electrical installations. The refill format allows technicians to reload existing dispenser tools without replacing the full unit, reducing waste and keeping labeling workflows uninterrupted. These rolls are sold in a box of 10, making them practical for ongoing jobsite or panel shop use by licensed electricians and electrical contractors.\u003c\/p\u003e\n\u003cp\u003eWire marker tape refill rolls like the 7000031521 are used in residential, commercial, and light industrial electrical work where circuit and conductor identification is required. Common applications include panel wiring, conduit runs, control wiring, and low-voltage cabling where conductors must be labeled for inspection compliance and long-term serviceability. The letter F designation suits specific conductor or circuit labeling schemes used by electricians following NEC identification requirements.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003ePre-printed with letter F for consistent, legible wire identification\u003c\/li\u003e\n  \u003cli\u003eRefill roll format compatible with 3M SDR-series wire marker dispensers\u003c\/li\u003e\n  \u003cli\u003e10 rolls per box for high-volume labeling tasks\u003c\/li\u003e\n  \u003cli\u003eSupports NEC-compliant conductor and circuit identification practices\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as a refill roll replacement for use with 3M SDR-series wire marker tape dispensers in electrical wiring and cable identification applications.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eWire marker tape rolls are installed by electricians during panel wiring, rough-in, or termination work. Power down circuits before labeling conductors at termination points to comply with safe work practices. Load the refill roll into the compatible 3M dispenser according to the dispenser's loading instructions. No special tools are required for roll loading.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.01 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUnit of Measure\u003c\/strong\u003e: Roll\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity per Box\u003c\/strong\u003e: 10 rolls\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePre-Printed Character\u003c\/strong\u003e: Letter F\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC\u003c\/strong\u003e: 10054007093937\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: 3M\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 7000031521\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"3M","offers":[{"title":"Default Title","offer_id":51346767446322,"sku":"7000031521","price":75.64,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/310535313.jpg?v=1782089727","url":"https:\/\/voomisupply.com\/products\/3m-7000031521-wire-marker-tape-refill-roll-letter-f","provider":"Voomi Supply","version":"1.0","type":"link"}