Orange County Radio Amateur Civil Emergency Service (OCRACES) configuration for APP power connectors. It's a good idea to stick with a single configuration, and this is probably the standard.
RC battery and motor technology provide better performance each year. A sometimes neglected yet important component of an electric airplane is the connectors used to connect the battery, motor and ESC. The choice and use of these connectors can have a significant effect on the performance and reliability of your model and even your enjoyment of the hobby.