OSHA Safety Standards Flashcards

Under OSHA 29 CFR 1926.416, what is the minimum safe approach distance for unqualified workers near energized overhead lines rated at 50kV?

Answer: 10 feet

OSHA requires unqualified workers to maintain at least 10 feet from energized overhead lines rated up to 50kV.

Which OSHA standard specifically governs electrical safety requirements for construction sites?

Answer: 29 CFR 1926.400

29 CFR 1926.400 (Subpart K) is OSHA's primary electrical safety standard for construction.

An electrical contractor's crew discovers a trench that has been open for two days and is 6 feet deep in sandy soil. Per OSHA, what must be done before workers enter?

Answer: Shore, slope, or shield the trench walls

OSHA 29 CFR 1926.652 requires trenches 5 feet or deeper to be protected by sloping, shoring, or shielding before entry.

Under OSHA's lockout/tagout standard (29 CFR 1910.147), when must an energy control procedure be documented in writing?

Answer: When there is more than one energy source or the isolation is not readily apparent

Written procedures are required when equipment has more than one energy source or the lockout steps are not immediately obvious.

OSHA's Hazard Communication Standard (29 CFR 1910.1200) requires Safety Data Sheets (SDS) to follow which format?

Answer: 16-section GHS format

OSHA aligned its HazCom standard with the Globally Harmonized System (GHS), requiring a standardized 16-section SDS.

Which OSHA requirement mandates that electrical contractors provide a written emergency action plan when there are more than 10 employees at a site?

Answer: 29 CFR 1910.38

29 CFR 1910.38 requires a written emergency action plan for employers with more than 10 employees.

Under OSHA 29 CFR 1926.501, when is fall protection required for workers on walking/working surfaces at construction sites?

Answer: At heights of 6 feet or more

OSHA's construction fall protection standard requires fall protection for workers at elevations of 6 feet or more above a lower level.