Safe Work Practices & Procedures Flashcards
7 cards from real ESC practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Safe Work Practices & Procedures flashcards as text
When performing electrical work in a confined space, what is the FIRST action a worker must take before entering?
Answer: Test the atmosphere for oxygen, flammable gases, and toxic contaminants
Atmospheric testing for oxygen levels, flammable gases, and toxic contaminants is mandatory before entering any confined space to prevent asphyxiation, fire, or poisoning.
A worker needs to replace a 240V circuit breaker. Under NFPA 70E, what is the preferred safe work method?
Answer: Establish an electrically safe work condition (ESWC) by de-energizing and locking out
NFPA 70E requires establishing an electrically safe work condition through de-energization, lockout/tagout, and voltage verification before contact with electrical equipment whenever feasible.
During a job briefing, which element is MOST critical to communicate to all workers before starting a task?
Answer: Hazards associated with the job and the safe work procedures to control them
A job briefing must cover the specific hazards of the task and the procedures to mitigate them so every worker understands the risks before work begins.
What does the term 'two-person rule' require in high-voltage electrical work scenarios?
Answer: A qualified worker must never work alone; a second person must be present and aware
The two-person rule requires a second qualified individual to be present during high-hazard electrical tasks to provide assistance or summon help in an emergency.
An energized electrical panel is exposed during renovation work. What immediate action should unqualified workers take?
Answer: Maintain the restricted approach boundary and notify a qualified electrician
Unqualified workers must stay outside restricted approach boundaries and alert a qualified electrical worker to address energized equipment.
Which document establishes the legal requirement for employers to provide arc flash hazard information to employees?
Answer: OSHA 29 CFR 1910.332 and 1910.333
OSHA 29 CFR 1910.332 (training) and 1910.333 (selection and use of work practices) require employers to train and protect employees from electrical hazards including arc flash.
A worker discovers that a 'tagged out' piece of equipment has been re-energized by another crew. What is the correct response?
Answer: Immediately notify supervision and do not work on the equipment until the situation is resolved
Re-energization of tagged-out equipment is a serious LOTO violation; the worker must stop work and notify supervision immediately to prevent serious injury.