Quote from Paul on March 10, 2019, 9:02 am

MTA156 series 4 pin - Power Connector - J3 (silkscreen) DigiKey Part

3.96mm pin pitch, 1mm size pins

15.85mm wide, 18.42mm height, 9.02mm deep

KK2695 series 4 pin - X, Y axis and Controls - J1,J2,J6 and 7 (Silkscreen) DigiKey

2.54mm pitch, 0.9mm size pins

7.62mm wide, 12.7mm height, 4.82mm deep

KK2695 series 5 pin - Limit switches - J5 (silkscreen)  Digikey part

2.54mm pitch, 0.9mm size pins

10.16mm wide, 12.7mm height, 4.82mm deep