Cable ConnectorsSpecifications:Material: Nylon, Copper, TinWire Range: 22-18 AWG(Red) / 18-14 AWG(Blue) / 12 AWG(Yellow)Maximum Operating Temperature (Fahrenheit): 221 Degree FahrenheitMaximum Recommended Voltage Rating: six hundred VProduct :T-Tap Wire Connector - Red: AWG 22-18; Wire range: zero 5-1 5mm⊃2;- Blue: AWG 18-14; Wire range: 1 5-2 5mm⊃2;- Yellow: AWG 12; Wire range: 2 5-4 0mm⊃2;Male Spade Connector - Red: AWG 22-18; Wire range: 0 5-1 5mm⊃2;- Blue: AWG 18-14; Wire range: 1 5-2 5mm⊃2;- Yellow: AWG 12; Wire range: 2 5-4 0mm⊃2; Avoid Electric shock Strong outer packaging can avoid unintended contact Friendly Customer Service:TICONN s all buyers 100% satisfaction, once you discover any problem of the product, please feel free to touch us, we can clear up it as quickly as we can 100 percent Satisfaction s for risk-free shopping!