These multi range Hex head connectors cover 95 percent of everyday applications making them the simple choice for all of your wire connection needs. Don't worry about using a Hex tool to install you can't over torque this connector because it's patented Hex head design strips out at UL torque saving the wires and your fingers. Inside the connector a zinc plated square wire spring ensures a secure connection that resists corrosion. The thermoplastic shell is designed for long lasting strength and resists chemicals while the deep skirt supports smooth wire entry and coverage of stripped wires. Use for large appliances, timers, indoor lighting, switches, ballasts, junction, air conditioners. Streamlined design for compact installationsSquare wire spring grabs and holds wires for secure connectionsLong skirt covers stripped wiresCopper to Copper connections onlyRated at 600 V maximum ion building wire and at 1000 V maximum in lighting fixtures and signs #22- #6 AWG wire rangeThree #22 minimum wire to four #12 minimum wireWhite175 per jar