3M Red Nylon Insulated Butt Splices - 22-18 gauge - Qty. 100 - Red translucent nylon insulation material resists cracking and deformation. Funnel entry for easier wire insertion. Brazed seam will not separate under when crimped. See thru nylon allows for easy crimp inspection. Industry standard red color-coding for 22-18 awg wire. Rated fot use up to 600 volts.