Grounding of MV switchgear

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mshields

Senior Member
Location
Boston, MA
I've got a primary metered facility, for which we're providing new 13.8kV S&C gear. Utility is bringing the 13.8kV to our new gear but the gear is client owned. Down stream of the gear I've got three pad mounts all of which have a ground loop and multiple ground rods around them. What should I provide for grounding at the gear itself?
 

dicklaxt

Senior Member
I would tie a ground wire at each end of the swgr ground bus and connect to the transformer loop in 2 places(opposite sides of the loop)Engr should tell you if you should have a ground grid. What is the 13.8 gear feeding?

dick
 
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