Connector, Ceramic High-temp, GB-4 *Product Type: High Temp Ceramic Wire Connectors *Diameter: 35/64 in. *Number in Package: 5 pk *Compatible Wire Range: 18-8 *Packaging Type: Carded *Rated to withstand extreme temperatures and high voltage* 600V max building wire and 1000V max lighting fixtures/luminaires* For use with Copper to Copper only* Temperature rating: 221 deg F* Pressure type connector-can be used with solid or stranded* 18-8 AWG