OSHA Safety Standards Flashcards
7 cards from real Licensed Electrical Contractor practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 OSHA Safety Standards flashcards as text
Under OSHA 29 CFR 1926.416, what is the minimum safe approach distance for unqualified workers near energized parts operating at 50 kV or less?
Answer: 10 feet
OSHA 1926.416 requires unqualified persons to stay at least 10 feet from energized lines or parts operating at 50 kV or less.
OSHA's Lockout/Tagout standard (29 CFR 1910.147) requires that energy-isolating devices capable of being locked out must be locked during servicing unless the employer demonstrates that a tagout program provides:
Answer: Equivalent safety to lockout
Tagout alone is only permissible when the employer can demonstrate it provides equivalent protection to lockout.
Which OSHA standard covers electrical safety in general industry workplaces and applies when electrical contractors perform work inside facilities rather than construction sites?
Answer: 29 CFR 1910 Subpart S
29 CFR 1910 Subpart S governs electrical safety in general industry, while 1926 Subpart K applies to construction.
OSHA 1926.405 requires flexible cords and cables to be protected from damage. Which of the following is specifically prohibited?
Answer: Running extension cords through doorways or windows where they could be pinched
Running flexible cords through doorways, windows, or holes in walls where they can be pinched or damaged is explicitly prohibited by OSHA 1926.405.
Under OSHA's Arc Flash and Electrical Safe Work Practices standard (29 CFR 1910.333), before any employee works on electrical equipment, the employer must ensure the equipment is:
Answer: De-energized unless energized work is necessary or infeasible
OSHA 1910.333 requires that electrical equipment be de-energized before employees work on it unless de-energizing introduces additional or increased hazards, or is infeasible due to equipment design or operational limitations.
What does OSHA require on a Job Hazard Analysis (JHA) for electrical work involving exposed energized conductors?
Answer: Identification of energy sources, hazards, PPE, and safe work procedures
A JHA for energized electrical work must identify all energy sources, associated hazards, required PPE, and the safe work procedures to control those hazards.
OSHA 29 CFR 1926.954 requires that rubber insulating equipment used by qualified electrical workers must be electrically tested:
Answer: Every 6 months
OSHA 1926.954 mandates that rubber insulating equipment be electrically tested at intervals not exceeding 6 months to ensure continued protection.