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480V Switchgear & MCC deficiencies found during inspections
1. 480V Switchgear & MCC deficiencies found
during inspections
• Loose PT connections
• Loose CT connection
• Dirty
• Panels and covers not affixed properly (bolts without nuts held in with tape
• Ground ball covers missing
• Stainless wire for tag securement and other foreign material left in sections (hard hats, gloves tools, metal bars, etc.)
• Deformed/damaged structure
• Modified structure
• Missing components
• Non Manufacturer hard ware
• Damaged cables
• Damaged breaker and breaker cubicle components
• Conduit entry into arc flash doors
• Wiring ferruls too small for the wire and strands that did not fit were “trimmed” off.
• Bus boots and covers not secured or covering bus bolts or splices
• Equipment numbers missing or on wrong devices
• Ferrous Gland Plate on MCC incoming sections.
• Incorrect cables on all Battery systems, flexible cable is required by spec
• LCS tags need to follow specific EMETL methods and include equipment tag number (not LCS P&ID number), Description,
and Source (MCC and cubicle), if more than one substation in facility then building number shall be included as well. S7C-
0702-06, 07, &08
• SEOLDs not created
• MCC cubicles not identified with cubicle numbers.
• Missing communication cable between SEL relays on MTM
16. Lug feral to small for wire (you can see where
wire strands were given a “haircut”
17. Foreign objects found in gear (here is wire that held on information tags left
on a ground ball that will be energized). Hard hats, gloves, metal rods, info
tags, tools etc. were found in the gear during our inspections.