Features Spring Twist Design: PVC electrical wire caps feature spring inserts and ribbed nuts, ensuring a secure and reliable connection for your electrical wires. User-Friendly: These wire end caps are easy to use, eliminating the need for electrical tape or welding, saving you time and effort during installations. Fast and Efficient Connection: The screw-on terminals with conical springs pull the wire into the connector, streamlining the wiring process without the need for pre-stranding. Flame Retardant Material: Made of flame retardant material, these wire nuts provide a safe and Stable connection for both solid and twisted wires. Convenient Storage: The electrical wire end caps come with a storage box for easy organization, portability, and to prevent damage and loss of the assortment kit. Specification: Item Type: Electrical Wire Caps Material: PVC P1(20pcs): Color: Gray Rated Voltage: 300V Withstand Temperature: Maximum 105℃ Applicable Wire: 2 x Flexible wire 0.5-1.5mm2 P2(20pcs): Color: Blue Rated Voltage: 300V Withstand Temperature: Maximum 105℃ Applicable Wire: 2 x Flexible wire 0.5-1.5mm2 P3(15pcs): Color: Brown Rated Voltage: 300V Withstand Temperature: Maximum 105℃ Applicable Wire: 2 x Flexible wire 2.5mm2 P4(10pcs): Color: Yellow Rated Voltage: 300V Withstand Temperature: Maximum 105℃ Applicable Wire: 3 x Flexible wire 2.5mm2 P6(13pcs): Color: Red Rated Voltage: 300V Withstand Temperature: Maximum 105℃ Applicable Wire: 4 x Flexible wire 2.5mm2 Package List: 20 x P1 Cable Cap 20 x P2 Cable Cap 15 x P3 Cable Cap 10 x P4 Cable Cap 13 x P6 Cable Cap 1 x Storage Box Package List 20 x P1 Cable Cap 20 x P2 Cable Cap 15 x P3 Cable Cap 10 x P4 Cable Cap 13 x P6 Cable Cap 1 x Storage Box