CME Safety and Emergency Procedures Questions and Answers

Question 1

An electrician is called to a job site where another worker has received a severe electrical shock and is now unconscious and not breathing.
After ensuring the scene is safe and the power is off, what is the most critical and immediate action the electrician should take?

Accepted Answer

Immediately begin performing cardiopulmonary resuscitation (CPR).

Answer

Cover the victim with a blanket to treat for shock.

Answer

Use a non-conductive object to move the victim further from the source.

Answer

Apply cool water to any visible burns on the victim's skin.

Question 2

Per NFPA 70E, which of the following best defines the Arc Flash Boundary?

Accepted Answer

The distance from an arc source at which the incident energy equals 1.2 cal/cm², potentially causing a second-degree burn.

Answer

The distance at which a worker is legally required to wear a full arc flash suit regardless of the task.

Answer

A 4-foot default perimeter around any energized electrical panel.

Answer

The closest a non-qualified person is permitted to approach energized equipment.

Question 3

A master electrician is supervising a team performing maintenance on a large motor control center with multiple sources of power. The procedure requires several disconnects to be opened and locked out. According to NFPA 70E, what type of lockout/tagout procedure is required in this scenario?

Accepted Answer

A complex lockout/tagout procedure.

Answer

A simple lockout/tagout procedure.

Answer

An individual lockout/tagout procedure.

Answer

A group lockout/tagout procedure.

Question 4

According to NFPA 70E and OSHA standards, which of the following is a primary requirement for an individual to be considered a "Qualified Person"?

Accepted Answer

Having received safety training to identify and avoid electrical hazards and demonstrating related skills and knowledge.

Answer

Holding a valid master electrician license for at least five years.

Answer

Successfully passing a company-specific written examination on electrical theory.

Answer

Being designated in writing by the site's general contractor.

Question 5

An electrician is preparing to work within the Arc Flash Boundary of a 480V switchboard. The arc flash label indicates that the required PPE is Hazard/Risk Category 2. Which of the following combinations of PPE is required as a minimum for Category 2 protection?

Accepted Answer

An arc-rated long-sleeve shirt, pants (or coverall), an arc-rated face shield with a balaclava (or an arc flash suit hood), and a hard hat.

Answer

An arc-rated long-sleeve shirt, pants (or coverall), an arc-rated face shield, and a hard hat.

Answer

A standard cotton long-sleeve shirt and pants, plus a face shield and hard hat.

Answer

An arc-rated flash suit hood, arc-rated jacket, and arc-rated pants.

Question 6

When establishing an electrically safe work condition, which of the following steps is performed immediately AFTER locking and tagging the disconnecting means?

Accepted Answer

Test the circuit with a properly rated voltmeter to verify the absence of voltage.

Answer

Release any stored electrical or mechanical energy.

Answer

Visually verify that the disconnecting blades are open.

Answer

Notify all affected employees that work is beginning.

An electrician is called to a job site where another worker has received a severe electrical shock and is now unconscious and not breathing.After ensuring the scene is safe and the power is off, what is the most critical and immediate action the electrician should take?

An electrician is called to a job site where another worker has received a severe electrical shock and is now unconscious and not breathing.
After ensuring the scene is safe and the power is off, what is the most critical and immediate action the electrician should take?