PC OSHA Safety Standards 2

Question 1

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

Accepted Answer

10 feet

Answer

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

Question 2

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

Accepted Answer

29 CFR 1926.400

Answer

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

Question 3

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?

Accepted Answer

Shore, slope, or shield the trench walls

Answer

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

Question 4

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

Accepted Answer

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

Answer

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

Question 5

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

Accepted Answer

16-section GHS format

Answer

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

(PC) Professional Electrical Contractor Practice Test

(PC) Professional Electrical Contractor Practice Test

PC OSHA Safety Standards 2