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The 3M 7000133366 is a vinyl insulated ring terminal sold in a bottle of 100, designed for making secure, insulated electrical connections at screw or stud terminations. This connector type is a staple in electrical panel work, control wiring, and field service applications where a reliable, vibration-resistant ring lug is required. The vinyl insulation sleeve provides a protective barrier over the crimped barrel, reducing the risk of contact with adjacent conductors. Electricians and instrumentation technicians install these terminals using a standard hand or ratchet crimp tool rated for insulated connectors. The MVU14-10RX designation reflects the wire gauge and stud size for which this terminal is engineered.
Vinyl insulated ring terminals in this form factor are commonly used in residential and light commercial electrical work, HVAC control panels, motor control centers, and general-purpose low-voltage wiring. They are suited for branch circuit connections, grounding lugs, and terminal block tie-ins where a loop-style termination at a screw or stud is required. The 100-count bottle format supports service trucks, panel shops, and maintenance crews that need a reliable bulk supply of consistent terminals on hand.
Designed as an OEM-style insulated ring terminal for use with wire gauges and stud sizes indicated by the MVU14-10RX designation, suitable for general electrical termination applications where vinyl insulated ring connectors are specified.
Installation is performed by licensed electricians or qualified technicians in accordance with NEC requirements for wire terminations. De-energize and lock out the circuit before stripping wire and crimping. Use a crimp tool rated for insulated terminals to ensure a gas-tight connection. Do not use open-barrel tooling on insulated-sleeve terminals, as improper crimps can result in high-resistance connections or pull-out failures.
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