List three reasons an arcing incident may occur._______________________________________________________________________________________________________________________________________________________________________________________________________________

What will be an ideal response?


Human error
Screwdriver slips and shorts together energized parts
Metal object falls into a panel and shorts together energized parts
Overcurrent device improperly sized
Incorrect replacement fuse or breaker installed

Overcurrent device failure
Break or cut in conductor insulation contacts enclosure, fitting, or raceway
Corrosion of a film of dust, oil, or other contaminants creates arcing path

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