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Features. Easy-on easy-off without tools.. Wings are knurled for a surer grip and offset from the centerline for greater twisting leverage.. Easily removed for repeat usage on same size combination or larger.. Expandable square-wire plated spring instantly adjusts to the shape and size of the splice for a vibration-resistant connection.. Tough thermoplastic shell shields against environmental extremes.. Flame-retardant non-porous and non-corrosive shell resists surface cracking and chemical action.. Temperature rating - 221 degrees F.. Superior flash-over protection.. High-dielectric shell features deep skirt design to prevent exposure of bare wire.. Buttress threads screw into wire insulation. Copper to copper connections only.. Color Coded - Twist On. 1 10 With 1 12 To 2 6. Color - Blue
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