Certification Exam: Electrical Safety

Question 1 of 10

What is the primary factor that causes a fatal electrical shock to the heart?

A) Current (Amperage) B) The color of the wire C) High Voltage D) High Resistance

Question 2 of 10

What is the temperature of an Arc Flash capable of reaching?

A) 1,000°F B) 5,000°F C) 35,000°F D) 100,000°F

Question 3 of 10

How should you help someone who is "frozen" to a live electrical circuit?

A) Throw water on them to short the circuit B) Grab them by the shoulders and pull C) Kick them as hard as you can D) Use a non-conductive object (like a wooden broom or rescue hook) to push them away

Question 4 of 10

What is the "Air Test" performed on rubber insulating gloves?

A) Testing it in a vacuum B) Rolling the glove to trap air and check for microscopic punctures C) Checking the weight D) Blowing into it with a machine

Question 5 of 10

Who is considered a "Qualified Person" under OSHA electrical standards?

A) Someone specifically trained on the construction, operation, and hazards of the specific equipment B) Anyone who has worked at the company for 10 years C) Anyone with a college degree D) Anyone who knows how to use a screwdriver

Question 6 of 10

What is the most critical step in a Lockout/Tagout (LOTO) procedure?

A) Putting on the tag B) Verification (the "Try" step) to ensure a Zero Energy State C) Using a colored lock D) Telling the manager

Question 7 of 10

At what level of leakage current does a GFCI trip to protect a human life?

A) 50mA B) 15 Amps C) 5mA D) 100mA

Question 8 of 10

What does a "square-within-a-square" symbol on a power tool mean?

A) It is waterproof B) It is for heavy duty use C) It is double-insulated and does not require a ground pin D) It is a high-voltage tool

Question 9 of 10

What is "Daisy-Chaining" in electrical safety?

A) Using a specific type of wire B) Plugging one power strip or extension cord into another C) A method of grounding D) Using a ladder near a power line

Question 10 of 10

Why must a shock victim receive an EKG even if they appear fine?

A) Because cardiac arrhythmias can manifest hours after an electrical shock B) To check for broken bones C) It is only required for children D) To check their blood pressure