1. CUT INSTALLATION TIME BY HALF- Wire taps have always been annoying. Our low voltage wire connector is absolutely inspiring. With innovative copper clasp connection design, these small wire connectors save you from Peeling or Stripping, Cutting, Soldering, and even Welding wires like the “old school” way. They take care of all the connection with ease and keep everything neat and easy to manage, provide a much simpler and quicker installation process. 2. RELIABLE CONNECTION - Brightfour wire splice connector solves the problem of loosening caused by the varying temperatures etc. After a few tests, you will see they still hold tight, and keep good contact. They stand out with reliable secure connection than other type connectors. 3. SMALL ENOUGH TO BE TUCKED - With a compact size and transparent surface design, it is practically invisible and compact to meet your individual needs. Especially nice for wiring led lights. 4. USE CORRECT WIRES - Fits well for 20, 22 and 24 AWG stranded and solid core electrical wires. As for 18 gauge wire, not all 18 AWG wires are with the exact same diameter in the market. You may be able to use these connectors with 18 AWG wire.