The
three main causes of an Arc Flash are -
1. Human Error
 Unsafe work procedures
Mistakes during maintenance
Mishandling tools, wires, metal covers
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2. Negligent preventive maintenance
Not checking for loose termination
Not preventing dust, debris build-up (critical in medium voltages and higher)
Not testing stored energy, such as spring operated bolted pressure switches
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3. Electrical equipment/system design
Improperly designed systems
Incorrect modifications
Legacy equipment not meeting latest arc flash requirements
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What causes an arc flash?
Arc Flash Loss Prevention (AFLP)
Arc Flash Prevention: It's the law!
Who is responsible for arc flash
prevention?
Arc Flash Disaster
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