Question 1 of 10
Which OSHA standard regulates Lockout/Tagout (LOTO) procedures?
OSHA Standard 29 CFR 1910.147 is the specific regulation that covers the control of hazardous energy, commonly known as Lockout/Tagout.
Question 2 of 10
What is the primary objective of establishing an 'Electrically Safe Work Condition' according to NFPA 70E?
NFPA 70E defines an electrically safe work condition as a state in which an electrical conductor or circuit part has been disconnected, locked/tagged, tested for absence of voltage, and grounded.
Question 3 of 10
What is the correct sequence of the first three steps in the LOTO process?
The standard LOTO procedure starts with Preparation, followed by Shut Down, and then Isolation of the energy source.
Question 4 of 10
What is the critical final verification step after applying a lock and tag?
Verification is a mandatory step that involves using an appropriately rated voltmeter or tester to ensure that the equipment is truly de-energized.
Question 5 of 10
What is the primary function of a Ground Fault Circuit Interrupter (GFCI)?
GFCIs are designed to protect people by detecting minute amounts of current leakage to ground and breaking the circuit almost instantaneously.
Question 6 of 10
If an individual is actively receiving an electric shock from a live circuit, what is the safest immediate action?
Cutting the power is the priority. If the victim cannot be separated from the source, the power source must be disconnected before attempting rescue.
Question 7 of 10
When a victim is stuck to a live electrical source and the power cannot be cut, what should be used to separate them?
Non-conductive materials like dry wood or plastic must be used to move the person to prevent the rescuer from also becoming part of the circuit.
Question 8 of 10
What is the purpose of temporary grounding during LOTO procedures?
Temporary grounding provides a low-resistance path to ground, ensuring that if the circuit is accidentally energized, the current will flow to the ground rather than through the worker.
Question 9 of 10
Why is working in damp or wet areas considered extremely dangerous?
Water, especially if it contains minerals, acts as a conductor. Moisture significantly reduces the skin's electrical resistance, making it much easier for current to flow through the body.
Question 10 of 10
Which of the following is NOT part of the personal protective equipment (PPE) recommended for electrical work?
Standard cotton gloves are not rated for electrical insulation and can absorb moisture or catch fire during an arc flash; specialized insulating gloves are required.
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