The hex head design allows for automatic or manual driven installations with a 7/16" socket. These multi-range copper-to-copper connectors cover most everyday electrical applications. The square wire spring grabs and holds the wires for a secure connection. The long skirt covers stripped wires and the streamlined design provides for compact installations. These connectors are rated at 600V maximum with a 1000V maximum in lighting fixtures, luminaries and signs. Large, 19-2H2, grey. Joins No. 14AWG to No. 6AWG. Minimum combination: 3 No. 14. Maximum combination: 1 No. 6 with 1 No. 8. UL listed. 3 per card.