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Plastic box with yellow and red twist-on wire connectors

Buchanan

Buchanan 30-5152JR Twist-On Conn Kit Yellow Red 150pcs

SKU CH-2CM1-W3WJY

A 150-piece twist-on wire connector kit covering 18 to 10 AWG copper conductors with yellow and red insulators rated to 221 °F

  • Overall lengthY: 1.03, R: 1.25 in
  • Product typeTwist-On
  • 150-piece kit covers 18–10 AWG copper connections
  • CSA C2.2 No. 188 certified for Canadian safety compliance
  • UL 486C listed for US electrical-code acceptance
  • Yellow 1.03" and red 1.25" lengths for quick visual sorting
  • 221 °F max operating temperature handles demanding thermal environments

Buchanan Twist-On Connector Kit

This Buchanan kit supplies 150 twist-on wire connectors in yellow and red sizes. It is designed for electrical professionals and automotive technicians who need a ready assortment for copper wiring jobs. The connectors accept solid or stranded copper conductors from 18 AWG up to 10 AWG.

Replaces loose or mismatched connector bins

The kit consolidates two common connector models, WT51 and WT52, into a single package. It is worth choosing when a job requires both the 1.03 inch yellow and 1.25 inch red connector lengths and you want to avoid buying separate boxes. The UL 486C listing and CSA C 2.2 #188 certification confirm code compliance for residential and commercial work.

Fits standard electrical boxes

The twist-on termination needs no special tools, so it works with the basic hand tools already in a technician’s pouch. Plastic insulation and a 221 degrees F maximum operating temperature suit typical indoor and vehicle environments. The assortment frees up storage space by covering the most frequent copper wire sizes in one container.

How it compares

Measured against everything we stock in Wire, Cable & Wiring Supplies, at today’s prices. Recalculated every night.

Price $9.99
Cheaper than about 75% of the 1,610 comparable items (median $25.99).

Specifications

Product
Brand nameBuchanan
Product typeTwist-On
Size & build
Overall lengthY: 1.03, R: 1.25 in

Questions about this item

What wire gauges do the yellow and red connectors in this 150-piece kit accept?

Both colours handle solid or stranded copper from 18 AWG up to 10 AWG.

How do you install these twist-on terminals without the common mistake of under-twisting?

Strip each conductor, align ends, push into the connector and twist clockwise until the insulated skirt grips the jacket firmly.

When should the yellow WT51 or red WT52 connectors be replaced after installation?

Replace any connector that shows cracked plastic, discolouration from heat above 221 °F, or a loose grip when tug-tested.

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