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3M M8-38RK ring terminal bare copper 3/8 in stud 8 AWG 1000 V

3M

3M M8-38RK Ring Terminal 3/8 in Stud 8 AWG 1000 V Bare Insulated

SKU CH-51CE-ZBC1A

Crimp ring terminal for 8 AWG wire with 3/8 in stud, tin-plated copper barrel and 1,000 V rating

  • Product typeElectrical Connectors
  • Rated for 1000 V maximum voltage
  • Handles up to 347 °F operating temperature
  • Brazed barrel for secure crimp connection
  • Tin-plated copper contact resists corrosion
  • CSA Certified and UL Listed standards compliance

8 AWG Ring Terminal 3/8 in Stud

This 3M M8-38RK ring terminal connects 8 AWG wire to a 3/8 inch stud. It is built for electrical and industrial wiring where a secure crimp termination is required. The bare copper barrel has a tin finish and brazed seam for reliable conductivity. It suits panel builders and maintenance technicians making power connections.

For Crimp Terminations on 8 AWG Only

This terminal fits a single wire size of 8 AWG and a 3/8 inch stud; it will not accept smaller or larger conductors. Installers needing insulated barrels, different stud sizes, or multi-wire splices should select another connector type. The bare design leaves the crimp exposed, so it is not suited for environments requiring insulated coverage.

1,000 V UL Listed and CSA Certified

The connector carries a 1,000 volt rating with UL Listing and CSA certification for code-compliant installations. Maximum operating temperature is 347 degrees F. Barrel inside diameter is 0.18 in, barrel length 0.31 in, and tongue width 0.59 in. These dimensions determine fit in your terminal block or busbar.

How it compares

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Price $154.99
Pricier than about 90% of the 1,610 comparable items (median $25.99).

Specifications

Product
Brand name3M
Product typeElectrical Connectors

Questions about this item

Should I pick the 8 AWG version or a different gauge for my wire?

This terminal is built for 8 AWG wire only; the barrel inside diameter is 0.18 in and barrel length is 0.31 in, so it will not fit larger or smaller conductors.

What does the 1,000 V rating mean when the terminal is crimped in a panel?

The 1,000 V maximum voltage is the insulation withstand limit; the copper barrel with tin finish and brazed seam maintains that rating up to 347 Degrees F operating temperature.

How does the 3/8 in stud size limit the connection?

The 3/8 in stud size fixes the bolt diameter; the tongue width is 0.59 in, so the terminal only fits that stud and cannot be used on larger or smaller bolts.

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