GLS Audio Safe-Connect "Generation 4" Gold Connector Spade Plugs - 8 Pack (4 Reds & 4 Blacks) Solderless & Screwless Professional Spade Plugs Sure-Grip Wire attachment technology Safe-Connect Insulated Shell Design Designed for 10g, 12g, 14g, 16g, and 18g Wire Note: These are not designed for Decora style wall plates.