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Busbar arrangement for a switchgear assembly

  • US 4,822,951 A
  • Filed: 06/10/1988
  • Issued: 04/18/1989
  • Est. Priority Date: 11/30/1987
  • Status: Expired due to Term
First Claim
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1. In a switchgear assembly, a plurality of supply riser buses, a plurality of load buses passing through apertures in said riser buses, means to support said load buses in said apertures comprising a plurality of pairs of insulating grommet blocks shaped to conform to and engage the inner edges of said apertures, each pair of grommet blocks being seated in a respective aperture and defining, by their inner surfaces, an inner aperture having dimensions greater than the dimensions of an individual load bus, insulating sleeves on said load buses surrounding said load buses where they pass through said apertures and essentially completely filling the spaces between the load buses and said inner apertures.

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