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The 3M 7000058839 is a vinyl insulated butt connector sold in bottles of 100, designed for making in-line electrical splices on stranded or solid copper wire. The vinyl insulation sleeve provides a basic layer of protection against abrasion and incidental moisture contact at the splice point. These connectors are installed using a standard crimping tool and are suited for low-voltage wiring tasks in residential, commercial, and light industrial settings. Electricians and service technicians reach for butt connectors when extending wire runs, repairing harnesses, or completing panel and device rough-in work where a secure, compact splice is required.
This connector is appropriate for use in electrical rough-in and finish work, appliance wiring, control circuit repairs, and general maintenance applications. The 100-count bottle format makes it a practical bench or van-stock item for contractors and service technicians who perform repeated splicing tasks. The vinyl insulated design is a common choice in non-submersible, dry or semi-protected environments where the splice will not be exposed to prolonged moisture or high heat.
Designed as an OEM-style replacement and general-use vinyl insulated butt connector for standard residential and commercial electrical splicing applications.
Installation is performed by licensed electricians or qualified service technicians in accordance with applicable NEC requirements. De-energize and verify the circuit is locked out before stripping wire ends and seating them into the connector barrel. Use a properly sized hand or ratcheting crimping tool to achieve a secure, gas-tight crimp. Do not solder over a crimped vinyl connector, as heat can degrade the insulation sleeve.
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