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The 3M 7000149333 is a vinyl insulated butt connector used to join two electrical conductors end-to-end in a single crimp. Sold in bottles of 10, this connector is a standard tool-of-the-trade splice fitting for residential and light commercial electrical and low-voltage wiring work. The vinyl insulation sleeve provides basic protection against abrasion and incidental contact after crimping. Electricians and service technicians reach for this style of connector when making quick, reliable wire splices during panel work, fixture installation, appliance service, or general wiring repair.
Vinyl insulated butt connectors of this type are used across a range of applications including residential electrical rough-in and finish work, HVAC control wiring, appliance service, and automotive or equipment wiring repairs. The connector accepts wire from both ends and is crimped with a standard wire crimping tool to create a secure mechanical and electrical connection. Each bottle contains 10 connectors, making it convenient for stocking a service van or jobsite toolbox.
Designed as a standard OEM-style vinyl insulated butt connector for general electrical wire splicing applications across residential, commercial, and light industrial wiring work.
Installation is performed by licensed electricians or qualified service technicians. Always de-energize the circuit and verify absence of voltage with a meter before making any wire splice. Strip conductors to the appropriate length, insert from both ends of the connector, and crimp firmly with a ratcheting or standard wire crimping tool rated for insulated connectors. Follow applicable NEC requirements for the installation environment and circuit type.
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