a racking motor mounted in a circuit breaker, configured to move the circuit breaker into a breaker compartment for connection of primary contacts of the circuit breaker in a connected position to a main bus, the racking motor configured to drive a racking linkage for racking the circuit breaker into the breaker compartment when provided with racking power;

a control power plug mounted in the circuit breaker, configured to conduct control power by connection to a control power receptacle mounted in the breaker compartment, when the racking motor has moved the circuit breaker into the connected position;

a racking power plug mounted in the circuit breaker, configured to conduct the racking power to the racking motor; and

a racking power receptacle mounted at a stationary position in the breaker compartment, configured to automatically connect with the racking power plug when the circuit breaker is inserted into the breaker compartment, to provide the racking power to the racking motor through the connected racking power plug;

wherein the racking power plug is further configured to remain connected and stationary relative to the racking power receptacle while the circuit breaker moves within the breaker compartment during a racking operation and after the circuit breaker reaches the connected position.