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Workplace Safety and OSHA Flashcards

7 cards from real NABCEP practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Workplace Safety and OSHA flashcards as text

  1. Under OSHA's General Duty Clause (Section 5(a)(1)), employers are required to provide a workplace free from:

    Answer: Recognized hazards that cause or are likely to cause death or serious harm

    The General Duty Clause requires employers to eliminate recognized hazards likely to cause death or serious physical harm, even if no specific standard covers the hazard.

  2. When working on a rooftop solar installation, OSHA's fall protection standard (29 CFR 1926.502) requires leading-edge workers to be protected at heights at or above:

    Answer: 6 feet

    OSHA 29 CFR 1926.502 requires fall protection for construction workers at heights of 6 feet or more above a lower level.

  3. A solar installer is exposed to arc flash hazard during electrical commissioning. Which NFPA 70E boundary requires the highest level of PPE?

    Answer: Prohibited approach boundary

    The prohibited approach boundary is the closest boundary to energized conductors and requires the highest level of arc flash and shock PPE.

  4. Under OSHA's Hazard Communication Standard (HazCom 2012 / GHS), Safety Data Sheets must contain how many sections?

    Answer: 16

    OSHA's HazCom 2012 standard, aligned with GHS, requires SDSs to have exactly 16 standardized sections.

  5. Which class of fire extinguisher is specifically rated for energized electrical equipment fires?

    Answer: Class C

    Class C extinguishers use non-conductive agents (CO2, dry chemical) suitable for energized electrical equipment fires.

  6. OSHA requires that an employer report a work-related fatality to OSHA within:

    Answer: 8 hours

    OSHA's recordkeeping rule (29 CFR 1904.39) requires fatalities to be reported to OSHA within 8 hours of the employer learning of the incident.

  7. During PV system maintenance, a technician must verify a circuit is de-energized before touching conductors. Which lockout/tagout step verifies the absence of voltage?

    Answer: Verification (test for zero energy)

    After applying lockout/tagout devices, the technician must test for zero energy (verify absence of voltage) before touching any conductors.