Wago lever nuts are introduced as a useful item to design or repair wiring harnesses.
The above inline Wago lever nut will accept wire gauges 18-12 AWG (American Wire Gauge) sized wires. The arrows show a strip gauge – the proper amount of insulation to remove.
The below 3-port lever wire nut will accept up to 10 AWG sized wire. This could be used to attach short lengths of wire. One wire with a ring terminal can attach to a battery. A second wire can accept a fuse wire.