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Blue wire cap connectors with white bodies, pack of 50

3M Scotchlok 314-BOX Wire Cap Connectors Blue 22-14 AWG Pack of 50

SKU CH-7QEE-12B1B

Self-stripping pigtail connector joins two or three 22-14 AWG wires with a moisture-resistant, flame-retardant seal, rated to 105 °C and 600 V, pack of 50

  • Product colorBlack
  • Self-stripping IDC connects wires without manual stripping
  • Moisture-resistant seal protects connections in damp environments
  • Flame-retardant nylon housing rated to 105 °C (221 °F)
  • UL Listed and CSA Certified for 600 V building wire
  • Pack of 50 connectors handles 22-14 AWG solid or stranded copper

3M Scotchlok 314 Wire Connectors

This pack contains fifty blue self-stripping wire caps rated for 22-14 AWG solid or stranded copper conductors. The insulation displacement design lets electricians and maintenance technicians make pigtail or run-and-tap splices without stripping insulation first. UL Listed and CSA Certified, they suit industrial and occupational wiring tasks where reliable connections are required.

Thermals and Electrical Ratings

The nylon-insulated bodies are flame retardant and rated for continuous operation at 105 °C (221 °F). They withstand 600 volts maximum for building wire and 1000 volts for signs, fixtures and luminaires. A moisture-resistant seal protects the tin-plated brass element from corrosion in damp locations, though the connectors are not rated for direct burial or submerged use.

Upgrade From Basic Twist-On Caps

These connectors replace traditional twist-on wire nuts when faster installation and a moisture-resistant seal are needed. The jump is worth it for jobs involving multiple solid or stranded wires in the 22-14 AWG range where vibration or humidity could loosen a standard mechanical splice. They do not suit applications requiring direct underground burial or consumer-grade packaging.

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Price $55.99
Pricier than about 86% of the 1,040 comparable items (median $13.99).

Specifications

Product
Product colorBlack

Questions about this item

How do I install the 314 connector and what step do people often miss?

Strip no more than 0.155 inch of insulation, insert two or three 22-14 AWG wires into the blue cap, then squeeze firmly with pliers until the metal element pierces every conductor; the step most often missed is verifying that all wires are fully seated before crimping.

What maintenance or replacement will the 314 connector need later?

No scheduled maintenance is required; inspect periodically for corrosion on the tin-plated brass element or cracking of the flame-retardant nylon body, and replace the connector if either is found.

What limit appears first when the 314 connector runs continuously at high load?

The 105 °C (221 °F) operating-temperature ceiling is reached before the 600 V building-wire or 1000 V fixture voltage ratings become limiting factors.

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