https://www.campingworld.com/ancor-nylon-3-way-connectors-16-14-awg-1-pk.---blue-349790.html
Ancor Nylon 3-Way Connectors, 16-14 AWG, 1-Pk. - Blue
Ancor Nylon 3-Way Connectors differ from automotive terminals by being designed specifically for the harsh marine environment.
3 way connectors16 14ancornylon