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The 3M 7100127164 is a twist-on wire connector rated for 12-28 AWG conductors, designed to replace both standard red and yellow wing-style connectors with a single SKU. The red body with yellow skirt signals its dual-range capability, allowing electricians and HVAC technicians to cover a wide span of wire gauges without switching connector types mid-job. Sold in boxes of 100 and cases of 1,000, this connector is a practical choice for residential and light commercial wiring work where connector inventory needs to stay lean and job efficiency matters.
This connector is suited for general electrical wiring applications including residential branch circuits, fixture wiring, low-voltage control wiring, and HVAC equipment connections. Its wire range spans 12 to 28 AWG, covering the most common conductor sizes encountered in typical service and installation work. The single-connector solution reduces the need to stock both red and yellow connectors separately, streamlining the contents of a service bag or parts inventory.
Designed as a direct replacement for standard red and yellow wing-style twist-on wire connectors used in residential and light commercial electrical wiring applications across the 12-28 AWG conductor range.
Installation is performed by licensed electricians or qualified HVAC technicians in accordance with NEC requirements. De-energize the circuit at the breaker and verify with a voltage tester before making any wire connections. Strip conductors to the appropriate length, hold wires parallel, and twist the connector clockwise until secure. Do not over-tighten or use pliers on the connector body.
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