ABB Installation Products RBB21 Nylon Insulated Butt Splice, Length 1.19 Inches, Width .21 Inches, Maximum Insulation…

The RBB21 accommodates wire gauges from #16 to #14 AWG, as specified in the manufacturer's catalog.

The maximum insulation diameter for the RBB21 is 0.148 inches, allowing it to fit wires with insulation up to this size.

The manufacturer recommends using the ERG4001 tool for installing the RBB21 butt splice.

Yes, the RBB21's nylon insulation and tin-plated copper construction provide durability and corrosion resistance, making it suitable for harsh environments.

The RBB21 butt splice is blue, which aids in easy identification within wiring systems.

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