3M™ 412 Twist-On Electrical Spring Connector with a wider spring opening facilitates easier and faster insertion of larger wire combinations. This hex-head connector is capable of a 1-conductor termination. Its PVC construction provides a flame-retardant property to the connector. It is also suitable for 2 or more conductor connection in a pigtail application.
3M™ 412 Twist-On Electrical Spring Connector features a steel spring with corrosion-resistant coating and a durable PVC insulator. The molded insulator resists warping and expansion when pushed to the upper limits of its wire ranges. Connector is 600V-rated for building wire and 1000V-rated for signs, fixtures or luminaires. It withstands temperatures of 221 degrees F (105 degrees C). UL Listed and CSA Certified.