Red Winged Wire Connectors， Bulk Bag of 500 - Twist-On Easy Screw On Type， UL Listed and CSA Certified<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>RED WINGED CONNECTORS make connecting electrical wires simple and easy</li><li>Designed to connect wires of 18 through 8 gauge</li><li>Fixed， precise square wire spring provides more securely gripping on conductors</li><li>Color-coded for easy size selection - Reusable for easy circuit changes and additions</li><li>Voltage rated at 600V max in building wiring and 1000V max in lighting fixtures/Luminaries， and signs</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41Qj67A6tqL.jpg" noproxy>