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The 3M 7000132481 is a pre-printed wire marker book designed for identifying conductors, terminals, and wiring in electrical panels, control cabinets, and low-voltage wiring systems. Each book contains 150 markers each of numeric designations 1, 2, and 3, giving installers a ready supply of the most commonly used conductor identifiers. These markers are suited for use in commercial and industrial electrical applications where clear, durable wire labeling is required for inspection compliance and ongoing serviceability.
This wire marker book is used by licensed electricians and controls technicians during panel builds, retrofits, and new construction wiring. It is appropriate for residential and light commercial applications where individual conductors must be identified at both termination points. The numeric format makes it compatible with standard wiring diagrams and as-built documentation practices.
Designed as a standard pre-printed numeric wire marker book for use in general electrical wiring, panel labeling, and conductor identification applications. Specific equipment compatibility is determined by conductor size and marker sleeve fit at installation.
Wire marker books are typically installed by licensed electricians during conductor termination and panel assembly. De-energize all circuits before applying markers to conductors or terminals. Apply markers at both ends of each conductor in accordance with NEC documentation and labeling requirements. Ensure markers are fully seated and legible before closing panels or enclosures.
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