This push in connector is 1 in 2 out, which is different from 222 series connector. It can be combined into 2 in 4 out, 3 in 6 out, 4 in 8 out and also 5 in 10 out etc. Easy to setup.
PCT-2-1M compact splicing connector with fix hole, can be easy to fix in the place, and it can randomly splice into the number of poles you want.