HEAT SHRINK INSULATED BUTT CONNECTORS Specifications:

•  Waterproof

•  Maximum Electrical Rating: 600 Volts

•  Shrink Temperature: +150C

•  Operating Temperature: −10 to +105C

•  Terminal Material: Copper Tube

•  Plating: Electro Tin Plated

•  Insulated Material: Heat Shrinkable Tube

Full Spec Sheet:

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