Please provide documentation that our switchgear doors are adequately grounded without bonding jumpers.
Issue:
Documentation on switchgear doors are adequately grounded without bonding jumpers
Product Line:
Switchgears
Environment:
Products sold and used in the United States
Cause:
Product Features
Resolution:
Per Mike Orosz on 12/03/08 - ``The ANSI C37 standard does not require bonding wire between door, removable panels etc. to the frame if it is tested and proven that the grounding is adequate. Square D switchgear was tested without the bonding wires up to 50kA SCI level. The frame, doors and panels were OK, the grounding was good. Square D considers the hinges as the grounding path.``
Documentation on switchgear doors are adequately grounded without bonding jumpers
Product Line:
Switchgears
Environment:
Products sold and used in the United States
Cause:
Product Features
Resolution:
Per Mike Orosz on 12/03/08 - ``The ANSI C37 standard does not require bonding wire between door, removable panels etc. to the frame if it is tested and proven that the grounding is adequate. Square D switchgear was tested without the bonding wires up to 50kA SCI level. The frame, doors and panels were OK, the grounding was good. Square D considers the hinges as the grounding path.``
Publicado para: Schneider Electric Mexico
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