
I had a project that needed a switch like this. Definitely worth having it prewired. The wires are thick, maybe 18 gauge, and they come with connectors.

MIDI keyboard Axelvox KEY49j white
22 Review

Universal Rotary Cam Selector Latching Switches - VictorsHome Changeover Switch LW28-32 With 3 Positions, 12 Terminals For 690V, 32A Capacity
9 Review

5Pcs 19Mm 12V 24V Waterproof Latching Push Button Switch With Wiring Harness And LED Indicator Light, Pre-Wired SPDT Self-Locking 4 Pin Marine Metal Switch For Boats Cars Trucks (Blue)
22 Review

Vacuum cleaner KARCHER VC 3, yellow
176 Review