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Bus Plug - Cable Knockouts
- 400A and below (small frame) bus plugs have a predetermined knockout position. Please refer to the "Circuit Breaker Bus Plugs Dimensions and Weights" table in the Sentron Busway System Selection and Application Guide for dimension specific details.
- 600A & 800A (large frame) bus plugs do not have a knockout. The exit point is not limited or controlled. The installer chooses the preferred exit point and creates the required opening or openings.