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The 3M 7000133329 is a vinyl-insulated ring terminal sold in bottles of 100, designed for secure, reliable electrical connections in wire termination applications. The MV14-14R/SX designation identifies the specific wire range and stud size this terminal is engineered to accept. Ring terminals of this type are used to fasten a conductor to a screw or stud, creating a low-resistance mechanical and electrical connection. Electricians and electrical assemblers install these terminals using a ratcheting crimping tool suited to the terminal gauge range. The vinyl insulation sleeve protects the crimped barrel from moisture and incidental contact.
Vinyl insulated ring terminals are used across residential, commercial, and light industrial electrical work wherever a wire must be fastened to a terminal block, ground lug, or equipment stud. The MV14-14R/SX variant is sized for use in panel wiring, control panels, and equipment hookups where a clean, inspectable crimp connection is required. These terminals are typically installed by licensed electricians or trained electrical assemblers following NEC guidelines for wire termination and insulation integrity.
Designed as an OEM-style ring terminal for use with conductors and stud sizes matching the MV14-14R/SX specification. Refer to the terminal designation and manufacturer documentation to confirm wire gauge and stud size compatibility before installation.
Installation should be performed by a qualified electrician or trained technician in accordance with NEC requirements for wire termination. De-energize the circuit completely before terminating any conductors. Use a calibrated ratcheting crimping tool rated for the terminal gauge to ensure a gas-tight crimp. Inspect the finished crimp for insulation damage and confirm the ring is fully seated on the stud before torquing the fastener.
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