Because of their increased wire range, just three 3Mâ„ Performance Plus Wire Connectors handle the work of eight standard connectors. Thereâ€s also less inventory to manage with a better chance youâ€ll have the connectors you need to do every job. The rounded wings make 3M wire connectors exceptionally easy to handle. The flexible skirt covers over-strips yet conforms to whatever space is available in a box. Inside, the unique spring grips quickly and bites into conductors for solid, secure connections. These connectors are UL listed for 600 volts on copper wire. Features: Accepts 2 #18-2 #8 to 5 #12 AWG wire combinations Rated for 600 Volt maximum Highly Reliable Designed For Comfort and Ease of Use UL Listed and CSA Certified Suitable for Commercial, Residential, Industrial and Maintenance Applications Shell rated for 105° C Flame-retardant shell Specification Sheets & Brochures 3Mâ„ Wire Connector R/Y + Data Sheet Wire Termination Catalog Specifications Color Red w/ Yellow Skirt Volt Max 600V Shell Rating 105 Degrees Case Qty 100 Reusable Yes Wire Sizes 18 to 12 AWG Min. Wire #18 Max. Wire #12 Part Number R/Y+BOX UPC Number 054007435413