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3M

3M MNG18-14R/SX Ring Terminal 1/4 in Stud 18 AWG 1000 V Nylon

SKU CH-H0EJ-ZXMRH

Crimp-on ring terminal for 18 AWG wire with a 1/4 in stud, nylon insulation and 1,000 V rating

  • TypeElectrical Connectors
  • Crimp termination secures 18 AWG wire reliably
  • 1000 V rating handles high-voltage applications safely
  • Nylon insulation withstands 221 °F operating temperatures
  • 1/4 in stud size fits standard terminal blocks
  • UL Listed and CSA Certified for code compliance

Ring Terminal 18 AWG 1000 V

The 3M MNG18-14R/SX is a nylon-insulated ring terminal built for 18 AWG wire and rated to 1,000 volts. It uses a butted copper barrel with a tin finish and accepts a 1/4 inch stud. The red nylon sleeve provides partial insulation coverage and is rated for a maximum operating temperature of 221 degrees Fahrenheit. The connector is UL Listed and CSA Certified for compliance.

Suited for 18 AWG crimp connections

This terminal suits installers who need a crimp-on ring lug for 18 AWG conductors at 1/4 inch stud size. The butted barrel design and tin-plated copper contact provide a standard industrial connection. It does not suit applications requiring a larger wire gauge, a different stud diameter, a fully insulated sleeve, or a brazed-seam barrel construction. Buyers needing higher temperature ratings or alternative insulation materials should look elsewhere.

Sustained load at 221 degrees Fahrenheit

Under continuous operation the nylon insulation remains stable up to its 221 degree Fahrenheit rating while the tin-plated copper barrel maintains conductivity. The butted seam and 0.07 inch barrel inside diameter hold the 18 AWG conductor securely during thermal cycling. The 0.25 inch barrel length and 0.47 inch tongue width keep the mechanical joint consistent at the rated 1,000 volts without degradation.

Highlights

  • Crimp termination secures 18 AWG wire reliably
  • 1000 V rating handles high-voltage applications safely
  • Nylon insulation withstands 221 °F operating temperatures
  • 1/4 in stud size fits standard terminal blocks
  • UL Listed and CSA Certified for code compliance

Specifications

TypeElectrical Connectors
Brand3M

Questions about this item

What wire gauge and crimp tool do I need for the 18 AWG barrel on this ring terminal?

The terminal accepts 22 to 18 AWG wire and uses a butted barrel that requires a standard crimp tool sized for 18 AWG.

Will the 1/4 in stud and 0.47 in tongue fit the same terminal block I use with older 14 AWG ring terminals?

The 1/4 in stud size matches common blocks, but the 0.47 in tongue is narrower than typical 14 AWG terminals, so verify block spacing before installing.

How can I confirm the crimp is sound and the nylon insulation is rated for my 1,000 V circuit?

A proper crimp shows no wire strands outside the 0.07 in barrel ID, and the red nylon insulation carries UL and CSA listings for 1,000 V at 221 °F.

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