Arc Flash Quiz

What are the 4 major factors that effect injury during an arc flash event?

Size of the explosion

Years of Experience

Training

Time Exposed

Gender

Proximity to the event

PPE

How much heat can be generated from an arc flash event?

35,000 °F

25,000 °F

90,000 °F

10,000 °F

What is required prior to changing breaker trip settings or fuse types or sizes?

Get approval from engineering.

Incorrect Answer

Which of the following best describes the threshold of the arc flash boundary?

The distance where an arc flash event becomes hazardous.

is always 10 feet away from the device.

This boundary is the closest established boundary.

Is never safe to enter.

What factors affect the severity of a person involved in an arc flash event?

The years of experience you have.

Your Proximity to the event.

The PPE you’re wearing.

The Time Exposed to the Hazard.

The Size of the Explosion.

What is the number one factor that increases the likelihood of an arc flash event?

equipment condition

The presence of power

Touching or Manipulating insulated cable

Interaction with Series-connected batteries

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