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Single-Phase Models
For single phase models, each circuit breaker is connected to like-colored outlets. For example, all white outlets
are connected to the white circuit breaker, and all blue outlets are connected to the blue circuit breaker.
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Three-Phase Models
For 3-phase models, 3 colors are used to identify the 3 different input lines.
• In standard 400V 3-phase (Wye) configurations, the color of each circuit breaker and outlet correspond to the
appropriate input phase. The PDU is labeled to indicate the input phase associated with each circuit breaker
and outlets.
• In North America 208V 3-phase (delta) configurations, the color of the circuit breaker corresponds to the line
connections and will include a label of the two connected input phases (i.e., L1-L2, L2-L3, or L3-L1).