NYLON INSULATED BUTT CONNECTORS Specifications:

•  Maximum Electrical Rating: 600 Volts

•  Maximum Temperature: +105C

•  Terminal Material: Copper Tube

•  Plating: Electro Tin Plated

•  Insulated Material: Nylon

Full Spec Sheet:

https://www.nteinc.com/terminals/pdf/Butt.pdf