Made of high-quality plastic, these connectors are highly stable, voltage-, and have a certain degree of insulation for long-term use. You can use them with confidence. Easy to install: 2-way connector, open the cover, push the stripped wires through the cover hole to the bottom, buckle the cover and press, simple and easy to operate. Please note that to complete the wiring, two connectors are required, then plug the two connectors together to complete the wiring. 3-way wire connector, push the stripped wire into the slot, compress the wire, and finally press the cover tightly. Practical and Neat: Connector fits 22-18# AWG solid/stranded wire. They the need for constant cluttering of wire ends, keep electrical boxes relatively roomy, and the need to twist small amounts of copper wire together. NOTE: The hot ground of one connector corresponds to the hot ground of the other connector. Wide range of applications: 2-way connector for series connection, 3-way connector for parallel connection. Low voltage connectors are suitable for all home wiring, you can use them for fans, sockets, switches, speakers, light fixtures, motorcycles, cars, LED light strips and more. Colour:black Material:plastic Package Contents: 20 pieces of 2-way connectors 10 pieces of 3-way wire connectors Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.