Connecting wires is faster and easier than ever with the professional performance features of Easy-Twist wire connectors from NSI. Push-in connectors install quickly and form secure connections using a two-blade construction. Their clear bodies allow for visual inspection to save time and money. The expert team at NSI designed these connectors with key convenience and performance features for electrical industry professionals, including the integrated testing port for continuity testing and the compact, in-line design perfect for working in tight spaces. Gone are the days of twisting or taping conductors. With push-in connectors, just strip your wires and push one into each hole to form faster, stronger connections. All our push-in connectors are made from UL 94V-2 flame retardant polycarbonate with stainless steel springs and zinc-plated steel frames. Designed for a -40Ëš F to 221Ëš F operating range (-30Ëš C to 105Ëš C) and a 600V maximum voltage. Experience the advantage for yourself to see how easy connecting wires can be.