ESC Emergency Response & Incident Management 2

Question 1

When an electrical fire breaks out in a panel room, what is the FIRST action a worker should take?

Accepted Answer

De-energize the source if safely possible, then activate the alarm and evacuate

Answer

NFPA 70E requires that de-energization be attempted only when it can be done safely; if not, evacuate and activate alarms first.

Question 2

Which fire extinguisher class is rated for energized electrical equipment fires?

Accepted Answer

Class C

Answer

Class C extinguishers use non-conductive agents (CO2 or dry chemical) specifically rated for energized electrical equipment fires.

Question 3

An arc flash incident has occurred and a worker is on fire. What is the correct immediate response?

Accepted Answer

Have the worker stop, drop, and roll; then call emergency services

Answer

Stop, drop, and roll is the immediate response to clothing fires, followed by activating EMS and providing burn first aid.

Question 4

What information must be included in an electrical incident report per OSHA 29 CFR 1904?

Accepted Answer

Date, time, location, description of incident, injured party, and root cause

Answer

OSHA 29 CFR 1904 requires written records including date, time, location, event description, affected employees, and root cause analysis.

Question 5

A co-worker is in contact with an energized conductor and cannot release their grip. What should a rescuer do FIRST?

Accepted Answer

De-energize the circuit at the nearest disconnect

Answer

The rescuer must de-energize the circuit before making contact with the victim to avoid becoming a second victim.

(ESC) Electrical Safety Certification Practice Test