Licensed Electrical Contractor OSHA Safety Standards 2

Question 1

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?

Accepted Answer

10 feet

Answer

OSHA 1926.416 requires unqualified persons to stay at least 10 feet from energized lines or parts operating at 50 kV or less.

Question 2

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:

Accepted Answer

Equivalent safety to lockout

Answer

Tagout alone is only permissible when the employer can demonstrate it provides equivalent protection to lockout.

Question 3

Which OSHA standard covers electrical safety in general industry workplaces and applies when electrical contractors perform work inside facilities rather than construction sites?

Accepted Answer

29 CFR 1910 Subpart S

Answer

29 CFR 1910 Subpart S governs electrical safety in general industry, while 1926 Subpart K applies to construction.

Question 4

OSHA 1926.405 requires flexible cords and cables to be protected from damage. Which of the following is specifically prohibited?

Accepted Answer

Running extension cords through doorways or windows where they could be pinched

Answer

Running flexible cords through doorways, windows, or holes in walls where they can be pinched or damaged is explicitly prohibited by OSHA 1926.405.

Question 5

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:

Accepted Answer

De-energized unless energized work is necessary or infeasible

Answer

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.

Licensed Electrical Contractor Practice Test

Licensed Electrical Contractor Practice Test

Licensed Electrical Contractor OSHA Safety Standards 2