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The 3M 7010348890 is a Highland series twist-on wire connector rated for 22 to 16 AWG conductors, sold individually. It features a gray shell that serves as a visual size indicator, allowing electricians to quickly select the correct connector for the wire gauge at hand. The shell is built to withstand temperatures up to 221 degrees F (105 degrees C) and is rated to 300 volts. Compatible with both solid and stranded wire, this connector is UL Listed and CSA Certified, making it suitable for general wiring applications in residential and light commercial electrical work.
This connector is intended for use in branch-circuit wiring, fixture connections, device terminations, and junction box splices. It is suited for residential and light commercial installations where 22 to 16 AWG conductors are being joined. The color-coded gray shell helps service electricians and installers match connectors to wire size quickly during high-volume work, reducing the chance of using an undersized or oversized connector on a given splice.
Designed as an OEM-style twist-on wire connector suitable for standard residential and light commercial electrical splicing applications involving 22 to 16 AWG conductors.
Installation should be performed by a licensed electrician in accordance with the National Electrical Code (NEC) and applicable local codes. Always de-energize the circuit and verify with a voltage tester before making or breaking any wire connections. Strip conductors to the appropriate length, twist wires together, then thread the connector clockwise until snug. Do not over-torque or force the connector onto conductors outside the rated AWG range.
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