Review on 🔌 50-Piece Compact Wire Connectors with Lever Nuts for Easy and Fast 4-Conductor Combination Terminal Connections - Suitable for Multiple Types, 28-12 AWG by Reza Cook

This is an extremely unsafe product. We purchased these to change all our T8 fluoreScence lights with ballast over to LED, where you have to bypass the ballast. We nearly had a major shortcut, as 2 of the securely inserted cables just came right back out, even though they were locked. One hour of multiple trials and careful inspection demonstrate that this is not only a product for the trash bin, but is also dangerously unsafe. We reported this to Best Buy and got a full refund. Stay away from this unsafe connector and buy a much more reliable U.S. brand (like In-sure).