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Yellow nylon ring terminal 1/2 inch stud 4 AWG copper crimp pack of 200

3M

3M 4 AWG Nylon Ring Terminal 1/2" Stud Yellow PK200

SKU CH-PAY9-YKD7K

Yellow nylon-insulated ring terminals for 4 AWG wire with 1/2 inch stud, brazed seam, 600 V rating, 221 °F max temperature, pack of 200

  • Handles 4 AWG wire with 1/2 in stud compatibility
  • Nylon insulation rated to 221 degrees F for heat resistance
  • Brazed seam and copper construction ensure durable crimp connections
  • UL Listed and CSA Certified for code-compliant installations
  • Pack of 200 terminals supports high-volume wiring projects

4 AWG Nylon Ring Terminal

This 3M ring terminal connects 4 AWG copper wire to a 1/2 inch stud using a crimp termination. The nylon insulation is rated for 600 V and temperatures up to 221 degrees F. It carries CSA certification and UL listing for code-compliant installations. The pack contains 200 pieces for volume wiring work.

Crimp installation with brazed seam

A proper crimp tool sized for 4 AWG is required to compress the brazed seam barrel onto the conductor. The .68 inch tongue width must align with the stud to avoid mechanical stress on the connection. Under-crimping creates high resistance; over-crimping can fracture the barrel. Inspect every crimp for full conductor insertion before energising the circuit.

600 V capacity with thermal headroom

The terminal handles 600 V continuous voltage within the 221 degree F temperature limit. The overall length of 1.74 inches fits standard lug spacing in panels and equipment. Yellow colour coding identifies the 4 AWG wire range at a glance. It is not suited for wire gauges outside 4 AWG or for stud sizes other than 1/2 inch.

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Price $294.99
Pricier than about 92% of the 1,040 comparable items (median $13.99).

Specifications

Product
Brand name3M

Questions about this item

How can I verify the crimp connection is secure after installing the 4 AWG wire into the ring terminal?

After crimping, perform a pull test on the wire; the brazed seam and copper construction are rated for 600 V and up to 221 °F, so a firm hold with no wire movement indicates a proper connection.

What comes in the package and do I need to buy a crimping tool separately?

The package contains 200 yellow nylon-insulated ring terminals with a 1/2 in stud size and 0.68 in tongue width; a compatible crimping tool for 4 AWG wire is not included and must be purchased separately.

Which version should I choose if I need a yellow nylon terminal for 4 AWG wire and a half-inch stud?

This part is the 4 AWG yellow nylon ring terminal with a 1/2 in stud, 1.74 in overall length, and CSA/UL certifications; it matches those exact specifications.

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