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The 3M 7100007282 is a non-insulated, seamless butt connector sold in bottles of 50. Butt connectors are used to join two conductors end-to-end in a single inline crimp, creating a secure, low-resistance electrical splice. The seamless barrel construction eliminates a seam weld line, which reduces the risk of split or deformed barrels during crimping. This connector is sold individually by the each but packaged in a minimum quantity of 50 per bottle, making it well suited for electrical contractors, panel shops, and service technicians who work through connectors at volume.
Non-insulated butt connectors are a standard tool in commercial and industrial wiring, automotive harness work, and equipment panel assembly. Because they carry no insulating sleeve, they are typically used where heat-shrink tubing, tape wrap, or a protective conduit will be applied over the splice after crimping. Electricians and low-voltage technicians select this connector style when the finished splice must conform to a tight space or when a secondary insulation method is already part of the workflow.
Designed as an OEM-style non-insulated butt connector suitable for use with standard ratchet or hex crimp tools rated for non-insulated terminals.
De-energize and lock out the circuit before making any splice connections. Strip conductors to the correct length for the barrel depth before inserting into the connector. Use a calibrated ratchet crimp tool rated for non-insulated terminals to achieve a full crimp. Apply appropriate insulation over the finished splice per NEC requirements before restoring power.
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